Use Java to program the following.1. Create public java class name.pdf
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Use Java to program the following. 1. Create public java class named Benford. 2. It\'s main function should prompt for the name of a data file and then the function iterates through the all of the elements in the data file and computes the frequency (count and percentage) of the first number in each entry. 3. Note: Some of the data files have comments that you must filter out. 4. Also note: that blank lines or lines where the number begins or is 0 must also be filtered out. 5. Your output must be formatted as follows. Solution Hi Firend, Please find my code. Please let me know in case of any issue. import java.io.File; import java.io.FileNotFoundException; import java.util.Scanner; public class CountFrequency { public static void main(String[] args) throws FileNotFoundException { Scanner sc = new Scanner(System.in); // taking input file name System.out.print(\"Enter input file name: \"); String fileName = sc.next(); // opening input file Scanner inputFile = new Scanner(new File(fileName)); // declaring array to store count of first digit of each entery int[] frequency = new int[10]; int totalCount = 0; // to maintain total count int num; // reading all lines while(inputFile.hasNextLine()){ // reading current line String line = inputFile.nextLine(); // if line is not empty if(line == null || line.isEmpty() || line.trim() == \"\") continue; // taking first character of current line char firstDigit = line.charAt(0); // if first character is digit and not equal to 0 if(Character.isDigit(firstDigit) && firstDigit != \'0\'){ // converting first character of current line in integer int d = firstDigit - \'0\'; frequency[d]++; totalCount++; } } System.out.println(\"Digit\\tCount\\tFrequency\"); for(int i=1; i<=9; i++){ System.out.println(i+\"\\t\"+frequency[i]+\"\\t\"+ ((double)frequency[i]/(double)totalCount*100)); } } } /* Sample run: ##### Entry of input.txt: 453 43 //543 123 0 4ee 875 52 // Output Enter input file name: input.txt Digit Count Frequency 1 1 20.0 2 0 0.0 3 0 0.0 4 2 40.0 5 1 20.0 6 0 0.0 7 0 0.0 8 1 20.0 9 0 0.0 */.
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![Use Java to program the following.
1. Create public java class named Benford.
2. It's main function should prompt for the name of a data file and then the function iterates
through the all of the elements in the data file and computes the frequency (count and
percentage) of the first number in each entry.
3. Note: Some of the data files have comments that you must filter out.
4. Also note: that blank lines or lines where the number begins or is 0 must also be filtered out.
5. Your output must be formatted as follows.
Solution
Hi Firend, Please find my code.
Please let me know in case of any issue.
import java.io.File;
import java.io.FileNotFoundException;
import java.util.Scanner;
public class CountFrequency {
public static void main(String[] args) throws FileNotFoundException {
Scanner sc = new Scanner(System.in);
// taking input file name
System.out.print("Enter input file name: ");
String fileName = sc.next();
// opening input file
Scanner inputFile = new Scanner(new File(fileName));
// declaring array to store count of first digit of each entery
int[] frequency = new int[10];
int totalCount = 0; // to maintain total count
int num;](https://image.slidesharecdn.com/usejavatoprogramthefollowing-230905040313-cf3b9184/85/Use-Java-to-program-the-following-1-Create-public-java-class-name-pdf-1-320.jpg)
![// reading all lines
while(inputFile.hasNextLine()){
// reading current line
String line = inputFile.nextLine();
// if line is not empty
if(line == null || line.isEmpty() || line.trim() == "")
continue;
// taking first character of current line
char firstDigit = line.charAt(0);
// if first character is digit and not equal to 0
if(Character.isDigit(firstDigit) && firstDigit != '0'){
// converting first character of current line in integer
int d = firstDigit - '0';
frequency[d]++;
totalCount++;
}
}
System.out.println("DigittCounttFrequency");
for(int i=1; i<=9; i++){
System.out.println(i+"t"+frequency[i]+"t"+
((double)frequency[i]/(double)totalCount*100));
}
}
}
/*
Sample run:
##### Entry of input.txt:
453 43
//543
123
0
4ee](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)
Recommended
Hi, I need help with a java programming project. specifically practi.pdf
Given 8 distinct integers from the set {1, 2, . . . , 16}, prove that there exists k such that ai aj = k
has at least 3 distinct solutions (ai , aj ) ?
Solution
For any k (unless the K is zero), at least 3 distinct solutions need not be existing.
Let\'s look at the next most favourable case
If k= 2;
We have to consider the case where the number of solutions of ai-aj=2 are minimum since we
have to show that at least 3 distinct solutions exist (which means even in the most unfavourable
case for a chosen k there will be 3 distinct solutions satisfying the equation ai-aj=2)
If k = 2; we start by taking numbers that are not at all 2 units apart from each other;
So we start with 1 and move 3 units successively ahead
1, 4, 7, 10,13, 16; Now we notice that these 6 numbers are of 3k+1 form; remaining numbers
can be any 2 ranomdly selected say 2 and 11; we get 4-2 = 2 and 13-11=2; Hence only 2 distinct
solutions are possible..
PAGE 1Input output for a file tutorialStreams and File IOI.docx
PAGE
1Input output for a file tutorialStreams and File I/O
In this tutorial we study the following concepts:
Text File I/O
Techniques for a file: Class File
Binary File I/O
File Objects and File Name
Note: For question 4 of the midterm you only need to look at the sections 2.2 and 2.3. I do not think you need java class: StringTokenizer. But I just added a small section about it to the end of this tutorial.
So far we learned keyboard/screen I/O. It is time to learn File I/O.
1 An Overview of stream and file I/O
A stream is an object that either outputs data or inputs data. The Java System.out is a stream object that outputs data on the screen.
As our program gets bigger and bigger we may need to enter a lot of data every time we run our program. We also may have a lot of data as the output of the program. It is not practical to enter a sizable input from the keyboard. Therefore, we save the data in a file and let our program to input from this file. Similarly, it is not practical to look at a sizable output. Moreover, we may need to save the output for further study. Therefore, we let our program to output to a file.
We have two kinds of I/O files: Text files and binary files. A text file is readable and understandable by human, but a binary file is not. The size of a text file is bigger than the size of a binary file. We can write arrays without using a loop into a binary file. We can also write objects to a binary file.
2 Text-File I/O
In this section we learn how to input from a text file and how to output to a text file. We first look at output instructions for a text file.
2.1 Text-File Output with PrintWriter class.
To be able to write to a file we need the Java class PrintWriter. This class is in JDK java.io, therefore we need to import it . Another class that we need is : FileOutputStream. This class also is in java.io. A file output stream is an output stream for writing data to a File.
Example 1. The following program to write an integer, a floating point number, a Boolean value and a string into a text file.
import java. io. PrintWriter;
import java. io. FileNotFoundException;
publicclass Main {
publicstaticvoid main( String[] args) {
PrintWriter out = null;
try {
out = new PrintWriter("out.txt");
} catch( FileNotFoundException e) {
System. out. println("Error: opening the file out.txt");
System. exit( 0);
}
out.println(-12);
out.println(25.5);
out.println(true);
out.println("John Doe.");
//Note that we also can write:
out.println(-12+"\n"+ 25.5 + "\n" + true + "\n" + "John Doe.");
out.close();
} }
The content of the file out.txt would be:
-12
25.5
true
John Doe.
-12
25.5
true
John Doe.
Description:
First we need to declare a variable that refers to and object of class PrintWriter. This class has several constructors. One of them needs the name of the output file on the hard drive (or other storages): out = new PrintWriter("out.txt")
This instruction co.
I need help with this Java assignment. Please include comments throu.pdf
I need help with this Java assignment. Please include comments throughout. Thanks
Write a program that will make a copy of a text file, line by line. Read the name of the existing
file and the name of the new file - the copy - from the keyboard. Use the methods of the class
File to test whether the original file exists and can be read. If not, display an error message and
abort the program. Similarly, see whether the name of the new file already exists. If so, display a
warning message and allow the user to either abort the program , overwrite the existing file, or
enter a new name for the file.
Solution
import java.util.Scanner;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.PrintWriter;
public class Project4
{
public static void main(String[] args)
{
System.out.print(\"Enter file name: \");
Scanner keybaord = new Scanner(System.in);
String fileName = keyboard.next();
Scanner inputStream = null;
System.out.println(fileName);
File fileObject = new File(\"old.txt\");
String path = \"C:\\\\Library\\\\Documents\\\\NetBeansProjects\\\\Project4\";
File source = new File(path);
try
{
inputStream = new Scanner(new File(fileName));
}
catch(FileNotFoundException e)
{
System.out.println(\"Error opening the file \" + fileName);
System.exit(0);
}
while (inputStream.hasNextLine())
{
String line = inputStream.nextLine();
System.out.println(line);
}
inputStream.close();
boolean fileOK = false;
while (!fileOK)
{
if (!fileObject.exists())
System.out.println(\"No such file\");
else if (!fileObject.canRead())
System.out.println(\"That file is not readable.\");
else
fileOK = true;
if (!fileOK)
{
System.out.println(\"Enter the file name again:\");
fileName = keyboard.next();
fileObject = new File(fileName);
}
}
}
public static void PrintWriter openOutputTextFile
{
(String fileName) throws FileNotFoundException
{
PrintWriter toFile = new PrintWriter(fileName);
return toFile;
}
PrintWriter outputStream = null;
try
{
outputStream = openOutputTextFile(\"old.txt\");
}
catch (FileNotFoundException e)
}
}.
Complete the following Java code such that it opens a file named Fruit.docx
Complete the following Java code such that it opens a file named FruitList.txt, reads the first line from the file, and then prints the first line on console screen. Your Java code should handle possible exception(s). Assume that the file contains the name of a fruit in each line. You don\'t need to provide comments.
// complete import statement(s) here
public class FileRead
{
public static void main(String[] args)
{
// complete the code here
}
}
Solution
import java.io.File;
import java.util.Scanner;
/**
* @author
*
*/
public class FileRead {
/**
* @param args
*/
public static void main(String[] args) {
// complete the code here
Scanner scanner = null;
try {
File file = new File(\"FruitList.txt\");
scanner = new Scanner(file);
// checks the file contains data
if (scanner.hasNext()) {
// prints first line
System.out.println(scanner.nextLine());
}
} catch (Exception e) {
// TODO: handle exception
}
}
}
FruitList.txt
Apple
Orange
Papaya
Banana
Jack Fruit
Watermelon
KIWI
Grapes
Mango
Pineapple
OUTPUT:
Apple
.
Write a java program that allows the user to input the name of a fil.docx
Write a java program that allows the user to input the name of a fil
Recommended
Hi, I need help with a java programming project. specifically practi.pdf
Given 8 distinct integers from the set {1, 2, . . . , 16}, prove that there exists k such that ai aj = k
has at least 3 distinct solutions (ai , aj ) ?
Solution
For any k (unless the K is zero), at least 3 distinct solutions need not be existing.
Let\'s look at the next most favourable case
If k= 2;
We have to consider the case where the number of solutions of ai-aj=2 are minimum since we
have to show that at least 3 distinct solutions exist (which means even in the most unfavourable
case for a chosen k there will be 3 distinct solutions satisfying the equation ai-aj=2)
If k = 2; we start by taking numbers that are not at all 2 units apart from each other;
So we start with 1 and move 3 units successively ahead
1, 4, 7, 10,13, 16; Now we notice that these 6 numbers are of 3k+1 form; remaining numbers
can be any 2 ranomdly selected say 2 and 11; we get 4-2 = 2 and 13-11=2; Hence only 2 distinct
solutions are possible..
PAGE 1Input output for a file tutorialStreams and File IOI.docx
PAGE
1Input output for a file tutorialStreams and File I/O
In this tutorial we study the following concepts:
Text File I/O
Techniques for a file: Class File
Binary File I/O
File Objects and File Name
Note: For question 4 of the midterm you only need to look at the sections 2.2 and 2.3. I do not think you need java class: StringTokenizer. But I just added a small section about it to the end of this tutorial.
So far we learned keyboard/screen I/O. It is time to learn File I/O.
1 An Overview of stream and file I/O
A stream is an object that either outputs data or inputs data. The Java System.out is a stream object that outputs data on the screen.
As our program gets bigger and bigger we may need to enter a lot of data every time we run our program. We also may have a lot of data as the output of the program. It is not practical to enter a sizable input from the keyboard. Therefore, we save the data in a file and let our program to input from this file. Similarly, it is not practical to look at a sizable output. Moreover, we may need to save the output for further study. Therefore, we let our program to output to a file.
We have two kinds of I/O files: Text files and binary files. A text file is readable and understandable by human, but a binary file is not. The size of a text file is bigger than the size of a binary file. We can write arrays without using a loop into a binary file. We can also write objects to a binary file.
2 Text-File I/O
In this section we learn how to input from a text file and how to output to a text file. We first look at output instructions for a text file.
2.1 Text-File Output with PrintWriter class.
To be able to write to a file we need the Java class PrintWriter. This class is in JDK java.io, therefore we need to import it . Another class that we need is : FileOutputStream. This class also is in java.io. A file output stream is an output stream for writing data to a File.
Example 1. The following program to write an integer, a floating point number, a Boolean value and a string into a text file.
import java. io. PrintWriter;
import java. io. FileNotFoundException;
publicclass Main {
publicstaticvoid main( String[] args) {
PrintWriter out = null;
try {
out = new PrintWriter("out.txt");
} catch( FileNotFoundException e) {
System. out. println("Error: opening the file out.txt");
System. exit( 0);
}
out.println(-12);
out.println(25.5);
out.println(true);
out.println("John Doe.");
//Note that we also can write:
out.println(-12+"\n"+ 25.5 + "\n" + true + "\n" + "John Doe.");
out.close();
} }
The content of the file out.txt would be:
-12
25.5
true
John Doe.
-12
25.5
true
John Doe.
Description:
First we need to declare a variable that refers to and object of class PrintWriter. This class has several constructors. One of them needs the name of the output file on the hard drive (or other storages): out = new PrintWriter("out.txt")
This instruction co.
I need help with this Java assignment. Please include comments throu.pdf
I need help with this Java assignment. Please include comments throughout. Thanks
Write a program that will make a copy of a text file, line by line. Read the name of the existing
file and the name of the new file - the copy - from the keyboard. Use the methods of the class
File to test whether the original file exists and can be read. If not, display an error message and
abort the program. Similarly, see whether the name of the new file already exists. If so, display a
warning message and allow the user to either abort the program , overwrite the existing file, or
enter a new name for the file.
Solution
import java.util.Scanner;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.PrintWriter;
public class Project4
{
public static void main(String[] args)
{
System.out.print(\"Enter file name: \");
Scanner keybaord = new Scanner(System.in);
String fileName = keyboard.next();
Scanner inputStream = null;
System.out.println(fileName);
File fileObject = new File(\"old.txt\");
String path = \"C:\\\\Library\\\\Documents\\\\NetBeansProjects\\\\Project4\";
File source = new File(path);
try
{
inputStream = new Scanner(new File(fileName));
}
catch(FileNotFoundException e)
{
System.out.println(\"Error opening the file \" + fileName);
System.exit(0);
}
while (inputStream.hasNextLine())
{
String line = inputStream.nextLine();
System.out.println(line);
}
inputStream.close();
boolean fileOK = false;
while (!fileOK)
{
if (!fileObject.exists())
System.out.println(\"No such file\");
else if (!fileObject.canRead())
System.out.println(\"That file is not readable.\");
else
fileOK = true;
if (!fileOK)
{
System.out.println(\"Enter the file name again:\");
fileName = keyboard.next();
fileObject = new File(fileName);
}
}
}
public static void PrintWriter openOutputTextFile
{
(String fileName) throws FileNotFoundException
{
PrintWriter toFile = new PrintWriter(fileName);
return toFile;
}
PrintWriter outputStream = null;
try
{
outputStream = openOutputTextFile(\"old.txt\");
}
catch (FileNotFoundException e)
}
}.
Complete the following Java code such that it opens a file named Fruit.docx
Complete the following Java code such that it opens a file named FruitList.txt, reads the first line from the file, and then prints the first line on console screen. Your Java code should handle possible exception(s). Assume that the file contains the name of a fruit in each line. You don\'t need to provide comments.
// complete import statement(s) here
public class FileRead
{
public static void main(String[] args)
{
// complete the code here
}
}
Solution
import java.io.File;
import java.util.Scanner;
/**
* @author
*
*/
public class FileRead {
/**
* @param args
*/
public static void main(String[] args) {
// complete the code here
Scanner scanner = null;
try {
File file = new File(\"FruitList.txt\");
scanner = new Scanner(file);
// checks the file contains data
if (scanner.hasNext()) {
// prints first line
System.out.println(scanner.nextLine());
}
} catch (Exception e) {
// TODO: handle exception
}
}
}
FruitList.txt
Apple
Orange
Papaya
Banana
Jack Fruit
Watermelon
KIWI
Grapes
Mango
Pineapple
OUTPUT:
Apple
.
Write a java program that allows the user to input the name of a fil.docx
Write a java program that allows the user to input the name of a fil
Write a java program that allows the user to input the name of a file.docx
Write a java program that allows the user to input the name of a file that contains positive integers (one integer per line) The number of integers in the file The program should find all odd and even numbers and write the odd numbers to a file \"odd.txt\" and write the even numbers to another file \"even.txt\"
Solution
package expertques;
import java.io.File;
import java.io.PrintWriter;
import java.util.Scanner;
public class evenoddwithfile {
public static void main(String[] args) throws Exception {
File in;//file input
File even = new File(\"f://even.txt\");//creates file even
File odd = new File(\"f://odd.txt\");//creates file odd
Scanner s = new Scanner(System.in);//reads input from console or user
System.out.println(\"Enter the file name with path: \");
in = new File(s.nextLine());
System.out.println(\"Enter the number of integers n the file: \");
int n = s.nextInt();
if (in.exists()) {//checks if input file exist or not
Scanner ins = new Scanner(in);//reads input file
PrintWriter pe = new PrintWriter(even);//write to even file
PrintWriter po = new PrintWriter(odd);//writes to odd file
for (int i = 0; i < n; i++) {//loop till the numbers exists
int x = ins.nextInt();//reads from input file
if (x % 2 == 0) {//checks for even or odd
pe.println(x);//if even writes in even file
} else {
po.println(x);//if odd writes in odd file
}
}
pe.close();//closes even file very important else nothing will be written in the file
po.close();//closes odd file very important else nothing will be written in the file
System.out.println(\"File successfully written with odds and evens\");
} else {
System.out.println(\"Error file not found at specified path\");//if file not exist
}
}
}
output
run:
Enter the file name with path:
f://integers.txt
Enter the number of integers n the file:
8
File successfully written with odds and evens
BUILD SUCCESSFUL (total time: 6 seconds)
.
Write a java program that would ask the user to enter an input file .pdf
Write a java program that would ask the user to enter an input file name, and an output file name.
Then the program reads the content of the input file, and then writes the content of the input file
to the output file with each line proceeded with a line number followed by a colon. The line
numbering should start at 1.
should be used the following technique
(a) while loop should be used to complete the program.
(b)Scanner classisused
(c) PrintWriter class is used
(d) The files are closed before the program terminates.
ExampleOriginal Input fileOutput file with line number added1341: 1341252: 1251123:
1121894: 189
Solution
FileCopier.java:-
import java.io.File;
import java.io.FileInputStream;
import java.io.FileWriter;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Scanner;
public class FileCopier {
public static void main(String[] args) throws IOException{
Scanner in=new Scanner(System.in);
System.out.println(\"Enter input file\");
File inputFile=new File(in.nextLine());
if(!inputFile.exists()){
System.out.println(\"Source file doesn\'t exist\");
System.exit(0);
}
FileInputStream fis=new FileInputStream(inputFile);
System.out.println(\"Enter output file\");
FileWriter fw=new FileWriter(in.nextLine());
PrintWriter pw=new PrintWriter(fw);
in=new Scanner(inputFile);
int i=1;
while(in.hasNextLine()){
String s=in.nextLine();
pw.write(i++ + \": \" + s + \"\ \");
}
pw.flush();pw.close();
}
}
Console output:
Enter input file
test.txt
Enter output file
output.txt
Sample run 1:-
test.txt:
hey
123
.
howdy
output.txt:
1: hey
2: 123
3: .
4: howdy
Sample run 2:-
test.txt:
123
345
567
789
output.txt
1: 123
2: 345
3: 567
4: 789.
i am finishing a project for my cs 0401 java course. I have complete.pdf
i am finishing a project for my cs 0401 java course. I have completed everything for the project
that requires us to sort and then using a binary search display a txt file read through the command
prompt. For some reason when the program treads through the file the first element isnt sorted
and just ends up being printed in front of all the other sorted elements.
my code is:
import java.util.*;
import java.io.*;
public class Project4
{
static final int INITIAL_CAPACITY = 5;
public static void main( String args[] ) throws Exception
{
// ALWAYS TEST FIRST TO VERIFY USER PUT REQUIRED INPUT FILE NAME ON
THE COMMAND LINE
if (args.length < 1 )
{
System.out.println(\"\ usage: C:\\\\> java Project4 \ \ \"); // i.e. C:\\> java Project4
P4input.txt
System.exit(0);
}
// LOAD FILE INTO ARR USING INSERINORDER
Scanner infile = new Scanner( new File( args[0] ) );
int[] arr = new int[INITIAL_CAPACITY];
int count= 0;
while (infile.hasNextInt())
{
if ( count==arr.length )
arr = upSizeArr(arr);
insertInOrder( arr, count++, infile.nextInt() );
}
infile.close();
arr=trimArr(arr,count); // Now count == .length
System.out.println( \"Sorted array of \" + arr.length + \" ints from \" + args[0] + \" after
insertInOrder:\" );
printArray( arr ); // we trimmed it thus count == length so we don\'t bother to pass in count
} // END MAIN
//
#############################################################################
###############################
// USE AS IS - DO NOT MODIFY
static void printArray( int[] arr )
{
for( int i=0 ; i= index + 1; i--)
{
arr[i] = arr[i - 1];
}
arr[index]=key; // LEAVE THIS HERE
}
}
static int bSearch(int[] a, int count, int key)
{
int hi = count-1;
int lo = 0;
int mid = (hi +lo)/2;
if(hi == -1)
{
return mid;
}
else
{
mid = (hi+lo)/2;
}
while (lo <= hi)
{
if (key==a[mid])
{
return (mid+1);
}
else if (key < a[mid])
{
hi = mid-1;
mid = (hi+lo)/2;
}
else
{
lo = mid +1;
mid = (hi+lo)/2;
}
}
return (mid +1);
}
}
and the .txt file has the elements:
Solution
HI, I have fixed the issue.
import java.util.*;
import java.io.*;
public class Project4
{
static final int INITIAL_CAPACITY = 5;
public static void main( String args[] ) throws Exception
{
// ALWAYS TEST FIRST TO VERIFY USER PUT REQUIRED INPUT FILE NAME ON
THE COMMAND LINE
if (args.length < 1 )
{
System.out.println(\"\ usage: C:\\\\> java Project4 \ \ \"); // i.e. C:\\> java Project4
P4input.txt
System.exit(0);
}
// LOAD FILE INTO ARR USING INSERINORDER
Scanner infile = new Scanner( new File( args[0] ) );
int[] arr = new int[INITIAL_CAPACITY];
int count= 0;
while (infile.hasNextInt())
{
if ( count==arr.length )
arr = upSizeArr(arr);
insertInOrder( arr, count++, infile.nextInt() );
}
infile.close();
arr=trimArr(arr,count); // Now count == .length
System.out.println( \"Sorted array of \" + arr.length + \" ints from \" + args[0] + \" after
insertInOrder:\" );
printArray( arr ); // we trimmed it thus count == length so we don\'t bother to pass in count
} // END MAIN
//
###################################.
Java 3 Computer Science.pptx
Exceptions, I/O and Threads Input and Output in Java: The File Class, Standard Streams, Keyboard
Input, File I/O Using Byte Streams, Character Streams, File I/O Using Character Streams -
Buffered Streams, File I/O Using a Buffered Stream, Keyboard Input Using a Buffered Stream,Writing Text Files. Threads: Threads vs. Processes, Creating Threads by Extending Thread,
Creating Threads by Implementing Runnable, Advantages of Using Threads, Daemon Threads,
Thread States, Thread Problems, Synchronization. Exceptions: Exception Handling, The Exception
Hierarchy, throws statement, throw statement, Developing user defined Exception Classes- The
finally Block.
Description 1) Create a Lab2 folder for this project2.docx
Description
1) Create a Lab2 folder for this project
2) Use the main driver program (called Writers.java) that I provide below to write files of differing types. You can copy and paste this code, but make sure the spaces variable copies correctly. The copy and paste operation eliminates the spaces between the quotes on some systems.
3) In the writers program, fill in the code for the three classes (Random, Binary, and Text). In each class, you will need a constructor, a write method, and a close method. The constructor opens the file, the write method writes a record, and the close method closes the file.
4) Other than what I just described, don't change the program in any way. The program asks for a file type (random, binary, or text) and the name of the file to create. In a loop it inputs a person's name (string), a person's age (int), and a person's annual salary (double). It writes to a file of the appropriate type. The loop terminates when the user indicates that inputting is complete. The program then asks if another file should be created. If the answer is yes, the whole process starts again. This and all of the java driver programs should be saved in your lab2 folder but not in the cs258 sub-folder.
5) Note: The method signatures for accessing all of the three types of files (binary, random, and text) are on the class web-site. Go to power point slides and click on week two. This will help if you didn't take accurate notes in class.
6) Write a main program to read binary files (BinReader.java). This program only needs to be able to read and display records from a Binary file that was created by the writers program.
7) Write a main program to read random files (RandReader.java). This program only needs to be able to read and display records from a Binary file that was created by the writers program. Make sure that this program reads and displays records in reverse order. DO NOT USE AN ARRAY!!!
8) In your Lab2 folder, create a subfolder within lab2 named cs258. Download Keyboard.java from the class web-site to that folder. Add a new first line of Keyboard.java with the statement, package cs258;. This line will make Keyboard.java part of the cs258 package. The driver program shown below has an import ‘cs258.*;’ statement to access the java files in this package.
9) Modify Keyboard.java. We want to extend this class so it can be extended to allow access to multiple files. The changes follow:
a. Remove all static references. This is necessary so that there will be an input stream variable (in) in each object.
b. Change the private modifier of the in and current_token variables to protected. Change the private modifier to protected in all of the signature lines of the overloaded getNextToken methods.
c. Create a constructor that instantiates the input stream for keyboard input. Remove the instantiation from the original declaration line for the in variable. The constructor doesn't need any parameters.
10)Create a class TextR.
Write a program that reads a file containing text- Read each line and.docx
Write a program that reads a file containing text. Read each line and send it to the output file, preceded by line numbers. If the input file is Mary had a little lamb Whose fleece was white as snow. And everywhere that Mary went, The lamb was sure to go! then the program produces the output file /* 1 */ Mary had a little lamb /* 2 */ Whose fleece was white as snow. /* 3 */ And everywhere that Mary went, /* 4 */ The lamb was sure to go! The line numbers are enclosed in /* */ delimiters so that the program can be used for numbering Java source files. Prompt the user for the input and output file names.
Solution
import java.io.PrintWriter;
import java.util.Scanner;
import java.io.FileReader;
public class num
{
public static void main(String[] args)
{
int ln = 1;
Scanner input = new Scanner(System.in); // taking input from the keyboard
System.out.print(\"i/p file: \");
String inputFileName = input.next();
System.out.print(\"o/p file: \");
String outputFileName = input.next();
FileReader rd = new FileReader(\"inputfile.txt\"); // reading input file
Scanner inf = new Scanner(rd);
PrintWriter outf = new PrintWriter(\"outputfile.txt\");//writing out put file using printWriter
while (inf.hasNextLine()) // iterating at the end of the last line from the first line
{
String a = inf.nextLine();
outf.println(\"/* \" + ln + \" */ \" + a); //keeping line numbers before every line
ln++; // incrementing the line number for each and every line
}
outf.close(); // closing the output file
}
}
.
Assignment 2Assignment Content1. Top of FormResource·.docx
Assignment 2
Assignment Content
1.
Top of Form
Resource:
· "Console/File Input and Output" text file
For this assignment, you will build on "starter" code to create a Java™ program that prompts the user for input, accepts user input, and produces both console and file output.
Copy the linked code to a JAVA file.
Add Java® code based on the comments inside the code.
Note: Refer to this week's Individual "Week Two Analyze Assignment" for model code you can adapt to meet this assignment's requirements.
Test, debug, and run your code using the NetBeans editor to make sure it meets the program requirements.
Save your JAVA file with a .txt extension.
* Program: Week 2 Code Assignment
* Purpose: Console/file input and output
* Programmer: YOUR NAME HERE
* Class: PRG/421r13, Java Programming II
* Instructor: YOUR INSTRUCTOR HERE
* Creation Date: TODAY'S DATE
* Comments: Fill in code
*
***********************************************************************/
package demo;
import java.util.Scanner; // scanner is a predefined class for taking inputs from user
public class Startercode
{
public static void main(String[] args)
{
// prompts and accepts user input
Scanner input= new Scanner(System.in);
double data;
System.out.println("Enter value ");
// accepts file input
String fileName = "input.txt"; // name of the file to open
String line = null; // will reference one line at a time
try {
FileReader fileReader = // FileReader reads text file
new FileReader(fileName); // reads in data from the file
// produces both console and file output
try { // coding block to output data to file
fileStdout = new PrintStream(new FileOutputStream("data.txt")); // output file name is data.txt
System.out.println("=============="); // output to console, numbers 0 through 9
fileStdout.println("" + i);
// ENTER YOUR CODE HERE. Enter code to end program successfully. Bottom of Form
Assignment 3
Assignment Content
1.
Top of Form
For this assignment, you will develop "starter" code. After you finish, your code should access an existing text file that you have created, create an input stream, read the contents of the text flie, sort and store the contents of the text file into an ArrayList, then write the sorted contents via an ouput stream to a separate output text file.
Copy and paste the following Java™ code into a JAVA source file in NetBeans:
import java.io.BufferedReader;
import java.io.BufferedWriter;
public class Datasort {
public static void main (String [] args) {
File fin = // input file
File fout = // create an out file
// Java FileInputStream class obtains input bytes from a file
FileInputStream fis = new FileInputStream(fin);
// buffering characters so as to provide for the efficient reading of characters, arrays, and lines
BufferedRead ...
JAVA Q2- Write a program that reads strings from the user and writes t.docx
JAVA
Q2: Write a program that reads strings from the user and writes them to an output file called userStrings.txt. Stop processing when the user enters the string \"DONE\". Do not write the sentinel string (\"DONE\") to the output file. [15 points] Hint: For a complete example of file IO, please see the attached TestData program.
Sample Output:
A string.
Another string.
Yet more text...
DONE
Solution
Answer
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.Scanner;
class WriteStringFile {
public static void main(String[] args) {
File file = new File(\"D:/userFile.txt\");
String data;
Scanner input = new Scanner(System.in);
data = input.readLine();
try (FileOutputStream fop = new FileOutputStream(file)) {
// if file doesn\'t exists, then create it
if (!file.exists()) {
file.createNewFile();
}
if (data != \"DONE\") {
// get the content in bytes
byte[] contentInBytes = content.getBytes();
fop.write(contentInBytes);
fop.flush();
fop.close();
} else {
System.out.println(\"User Enter the value Done.. So unable to write into file\");
}
} catch (IOException e) {
e.printStackTrace();
}
}
}
.
Write a program that will count the number of characters- words- and l.docx
Write a program that will count the number of characters, words, and lines in a file. Words are separated by whitespace characters. The file name should be passed as a command-line argument, as shown;
c:\\exercise>java Exercise12_13 Loan.java
File Loan.java has
1919 characters
210 words
71 lines
c:\\exercise>
Solution
import java.io.File;
import java.io.FileNotFoundException;
import java.util.Scanner;
import java.util.StringTokenizer;
public class ass1
{
public static void main(String[] args) throws FileNotFoundException
{
//Â Â Scanner console = new Scanner(System.in);
System.out.println(args[0]);
//System.out.println(args[1]);
//System.out.println(args[2]);
String inputFile=args[0];
File file = new File(inputFile);
Scanner in = new Scanner(file);
int words = 0;
int lines = 0;
int chars = 0;
while(in.hasNextLine()) {
lines++;
String line = in.nextLine();
chars += line.length();
words += new StringTokenizer(line, \" \").countTokens();
}
System.out.println(\"characters are \"+chars);
System.out.println(\"words are \"+words);
System.out.println(\"lines are \"+lines);
}
}
.
What is java input and output stream?
Java I/O (Input and Output) is used to process the feedback and produce the outcome based on the feedback. Java uses the idea of circulation to make I/O function fast. The java.io package contains all the sessions required for feedback and outcome functions.
What is java input and output stream?
Java I/O (Input and Output) is used to process the feedback and produce the outcome based on the feedback. Java uses the idea of circulation to make I/O function fast. The java.io package contains all the sessions required for feedback and outcome functions.
Java cheat sheet
In this cheat sheet, you can find object oriented programming concept's fundamentals very easily. Some topics has very details explanations that could be very helpful those who is in entry level in java mostly object oriented world.
Core Java Programming Language (JSE) : Chapter XI - Console I/O and File I/O
Java.io.File Class in Java. The File class is Java's representation of a file or directory path name. ... A file system may implement restrictions to certain operations on the actual file-system object, such as reading, writing, and executing. These restrictions are collectively known as access permissions.
The program uses console I/O to simply read its "standard input (stdin)"—which might be the keyboard, a file dump, or the output of some other program—and print to its "standard output (stdout)"—which might be the display or printer or another program or a file.
How do the microsporangium and microspore in seed plants differ from.pdf
How do the microsporangium and microspore in seed plants differ from primitive heterosporous
plants?
Solution
Microsporangium and Microspores in seed plants:
Microspores are the first cells to form into the male gametophyte and give rise to pollen grains.
The megaspores are formed within the developing seed. Microsporangia develop in pairs toward
the bases of the scales. Each of the microsporocytes in the microsporangia undergoes meiosis,
producing four haploid microspores. These then develop into pollen grains and each grain
consists of four cells and a pair of external air sacs.
Primitive Heterosporous plants:
The small female gametophyte formed on germination of the megaspore produces one or few
archegonia in a very short time. The microspore also develops rapidly, and spermatozoids are
soon liberated from the male gametophyte..
Homework question with 2 partsA. Compare and contrast the geologic.pdf
Homework question with 2 parts
A. Compare and contrast the geologic and atmospheric characteristics of the following two
moons: Miranda and Triton.
B. In what respects is Pluto more like a moon than a Jovian or terrestrial planet?
Solution
A.
Geologically triton made of solid surface and an evidance of geological activity as IOs and its
surface young with sparse impart craters. Spectroscopic studies reveasl that Triton consists of
thin nitrogen and methane atmosphere.Mirinda atmosphere composes of half of ice and half of
rocky materials (silicate rock) at its center. The geological activity caused by tidal heating.
B.
Size of Pluto is very less(1/6 th mass of our moons). Pluto is more like a moon than jovian
planets.Like terristrial planets, Pluto does not consists of rocky (solid) surface and like jovian
planets, pluto does not consists of gases and liquids composition ..
More Related Content
Similar to Use Java to program the following.1. Create public java class name.pdf
Write a java program that allows the user to input the name of a file.docx
Write a java program that allows the user to input the name of a file that contains positive integers (one integer per line) The number of integers in the file The program should find all odd and even numbers and write the odd numbers to a file \"odd.txt\" and write the even numbers to another file \"even.txt\"
Solution
package expertques;
import java.io.File;
import java.io.PrintWriter;
import java.util.Scanner;
public class evenoddwithfile {
public static void main(String[] args) throws Exception {
File in;//file input
File even = new File(\"f://even.txt\");//creates file even
File odd = new File(\"f://odd.txt\");//creates file odd
Scanner s = new Scanner(System.in);//reads input from console or user
System.out.println(\"Enter the file name with path: \");
in = new File(s.nextLine());
System.out.println(\"Enter the number of integers n the file: \");
int n = s.nextInt();
if (in.exists()) {//checks if input file exist or not
Scanner ins = new Scanner(in);//reads input file
PrintWriter pe = new PrintWriter(even);//write to even file
PrintWriter po = new PrintWriter(odd);//writes to odd file
for (int i = 0; i < n; i++) {//loop till the numbers exists
int x = ins.nextInt();//reads from input file
if (x % 2 == 0) {//checks for even or odd
pe.println(x);//if even writes in even file
} else {
po.println(x);//if odd writes in odd file
}
}
pe.close();//closes even file very important else nothing will be written in the file
po.close();//closes odd file very important else nothing will be written in the file
System.out.println(\"File successfully written with odds and evens\");
} else {
System.out.println(\"Error file not found at specified path\");//if file not exist
}
}
}
output
run:
Enter the file name with path:
f://integers.txt
Enter the number of integers n the file:
8
File successfully written with odds and evens
BUILD SUCCESSFUL (total time: 6 seconds)
.
Write a java program that would ask the user to enter an input file .pdf
Write a java program that would ask the user to enter an input file name, and an output file name.
Then the program reads the content of the input file, and then writes the content of the input file
to the output file with each line proceeded with a line number followed by a colon. The line
numbering should start at 1.
should be used the following technique
(a) while loop should be used to complete the program.
(b)Scanner classisused
(c) PrintWriter class is used
(d) The files are closed before the program terminates.
ExampleOriginal Input fileOutput file with line number added1341: 1341252: 1251123:
1121894: 189
Solution
FileCopier.java:-
import java.io.File;
import java.io.FileInputStream;
import java.io.FileWriter;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Scanner;
public class FileCopier {
public static void main(String[] args) throws IOException{
Scanner in=new Scanner(System.in);
System.out.println(\"Enter input file\");
File inputFile=new File(in.nextLine());
if(!inputFile.exists()){
System.out.println(\"Source file doesn\'t exist\");
System.exit(0);
}
FileInputStream fis=new FileInputStream(inputFile);
System.out.println(\"Enter output file\");
FileWriter fw=new FileWriter(in.nextLine());
PrintWriter pw=new PrintWriter(fw);
in=new Scanner(inputFile);
int i=1;
while(in.hasNextLine()){
String s=in.nextLine();
pw.write(i++ + \": \" + s + \"\ \");
}
pw.flush();pw.close();
}
}
Console output:
Enter input file
test.txt
Enter output file
output.txt
Sample run 1:-
test.txt:
hey
123
.
howdy
output.txt:
1: hey
2: 123
3: .
4: howdy
Sample run 2:-
test.txt:
123
345
567
789
output.txt
1: 123
2: 345
3: 567
4: 789.
i am finishing a project for my cs 0401 java course. I have complete.pdf
i am finishing a project for my cs 0401 java course. I have completed everything for the project
that requires us to sort and then using a binary search display a txt file read through the command
prompt. For some reason when the program treads through the file the first element isnt sorted
and just ends up being printed in front of all the other sorted elements.
my code is:
import java.util.*;
import java.io.*;
public class Project4
{
static final int INITIAL_CAPACITY = 5;
public static void main( String args[] ) throws Exception
{
// ALWAYS TEST FIRST TO VERIFY USER PUT REQUIRED INPUT FILE NAME ON
THE COMMAND LINE
if (args.length < 1 )
{
System.out.println(\"\ usage: C:\\\\> java Project4 \ \ \"); // i.e. C:\\> java Project4
P4input.txt
System.exit(0);
}
// LOAD FILE INTO ARR USING INSERINORDER
Scanner infile = new Scanner( new File( args[0] ) );
int[] arr = new int[INITIAL_CAPACITY];
int count= 0;
while (infile.hasNextInt())
{
if ( count==arr.length )
arr = upSizeArr(arr);
insertInOrder( arr, count++, infile.nextInt() );
}
infile.close();
arr=trimArr(arr,count); // Now count == .length
System.out.println( \"Sorted array of \" + arr.length + \" ints from \" + args[0] + \" after
insertInOrder:\" );
printArray( arr ); // we trimmed it thus count == length so we don\'t bother to pass in count
} // END MAIN
//
#############################################################################
###############################
// USE AS IS - DO NOT MODIFY
static void printArray( int[] arr )
{
for( int i=0 ; i= index + 1; i--)
{
arr[i] = arr[i - 1];
}
arr[index]=key; // LEAVE THIS HERE
}
}
static int bSearch(int[] a, int count, int key)
{
int hi = count-1;
int lo = 0;
int mid = (hi +lo)/2;
if(hi == -1)
{
return mid;
}
else
{
mid = (hi+lo)/2;
}
while (lo <= hi)
{
if (key==a[mid])
{
return (mid+1);
}
else if (key < a[mid])
{
hi = mid-1;
mid = (hi+lo)/2;
}
else
{
lo = mid +1;
mid = (hi+lo)/2;
}
}
return (mid +1);
}
}
and the .txt file has the elements:
Solution
HI, I have fixed the issue.
import java.util.*;
import java.io.*;
public class Project4
{
static final int INITIAL_CAPACITY = 5;
public static void main( String args[] ) throws Exception
{
// ALWAYS TEST FIRST TO VERIFY USER PUT REQUIRED INPUT FILE NAME ON
THE COMMAND LINE
if (args.length < 1 )
{
System.out.println(\"\ usage: C:\\\\> java Project4 \ \ \"); // i.e. C:\\> java Project4
P4input.txt
System.exit(0);
}
// LOAD FILE INTO ARR USING INSERINORDER
Scanner infile = new Scanner( new File( args[0] ) );
int[] arr = new int[INITIAL_CAPACITY];
int count= 0;
while (infile.hasNextInt())
{
if ( count==arr.length )
arr = upSizeArr(arr);
insertInOrder( arr, count++, infile.nextInt() );
}
infile.close();
arr=trimArr(arr,count); // Now count == .length
System.out.println( \"Sorted array of \" + arr.length + \" ints from \" + args[0] + \" after
insertInOrder:\" );
printArray( arr ); // we trimmed it thus count == length so we don\'t bother to pass in count
} // END MAIN
//
###################################.
Java 3 Computer Science.pptx
Exceptions, I/O and Threads Input and Output in Java: The File Class, Standard Streams, Keyboard
Input, File I/O Using Byte Streams, Character Streams, File I/O Using Character Streams -
Buffered Streams, File I/O Using a Buffered Stream, Keyboard Input Using a Buffered Stream,Writing Text Files. Threads: Threads vs. Processes, Creating Threads by Extending Thread,
Creating Threads by Implementing Runnable, Advantages of Using Threads, Daemon Threads,
Thread States, Thread Problems, Synchronization. Exceptions: Exception Handling, The Exception
Hierarchy, throws statement, throw statement, Developing user defined Exception Classes- The
finally Block.
Description 1) Create a Lab2 folder for this project2.docx
Description
1) Create a Lab2 folder for this project
2) Use the main driver program (called Writers.java) that I provide below to write files of differing types. You can copy and paste this code, but make sure the spaces variable copies correctly. The copy and paste operation eliminates the spaces between the quotes on some systems.
3) In the writers program, fill in the code for the three classes (Random, Binary, and Text). In each class, you will need a constructor, a write method, and a close method. The constructor opens the file, the write method writes a record, and the close method closes the file.
4) Other than what I just described, don't change the program in any way. The program asks for a file type (random, binary, or text) and the name of the file to create. In a loop it inputs a person's name (string), a person's age (int), and a person's annual salary (double). It writes to a file of the appropriate type. The loop terminates when the user indicates that inputting is complete. The program then asks if another file should be created. If the answer is yes, the whole process starts again. This and all of the java driver programs should be saved in your lab2 folder but not in the cs258 sub-folder.
5) Note: The method signatures for accessing all of the three types of files (binary, random, and text) are on the class web-site. Go to power point slides and click on week two. This will help if you didn't take accurate notes in class.
6) Write a main program to read binary files (BinReader.java). This program only needs to be able to read and display records from a Binary file that was created by the writers program.
7) Write a main program to read random files (RandReader.java). This program only needs to be able to read and display records from a Binary file that was created by the writers program. Make sure that this program reads and displays records in reverse order. DO NOT USE AN ARRAY!!!
8) In your Lab2 folder, create a subfolder within lab2 named cs258. Download Keyboard.java from the class web-site to that folder. Add a new first line of Keyboard.java with the statement, package cs258;. This line will make Keyboard.java part of the cs258 package. The driver program shown below has an import ‘cs258.*;’ statement to access the java files in this package.
9) Modify Keyboard.java. We want to extend this class so it can be extended to allow access to multiple files. The changes follow:
a. Remove all static references. This is necessary so that there will be an input stream variable (in) in each object.
b. Change the private modifier of the in and current_token variables to protected. Change the private modifier to protected in all of the signature lines of the overloaded getNextToken methods.
c. Create a constructor that instantiates the input stream for keyboard input. Remove the instantiation from the original declaration line for the in variable. The constructor doesn't need any parameters.
10)Create a class TextR.
Write a program that reads a file containing text- Read each line and.docx
Write a program that reads a file containing text. Read each line and send it to the output file, preceded by line numbers. If the input file is Mary had a little lamb Whose fleece was white as snow. And everywhere that Mary went, The lamb was sure to go! then the program produces the output file /* 1 */ Mary had a little lamb /* 2 */ Whose fleece was white as snow. /* 3 */ And everywhere that Mary went, /* 4 */ The lamb was sure to go! The line numbers are enclosed in /* */ delimiters so that the program can be used for numbering Java source files. Prompt the user for the input and output file names.
Solution
import java.io.PrintWriter;
import java.util.Scanner;
import java.io.FileReader;
public class num
{
public static void main(String[] args)
{
int ln = 1;
Scanner input = new Scanner(System.in); // taking input from the keyboard
System.out.print(\"i/p file: \");
String inputFileName = input.next();
System.out.print(\"o/p file: \");
String outputFileName = input.next();
FileReader rd = new FileReader(\"inputfile.txt\"); // reading input file
Scanner inf = new Scanner(rd);
PrintWriter outf = new PrintWriter(\"outputfile.txt\");//writing out put file using printWriter
while (inf.hasNextLine()) // iterating at the end of the last line from the first line
{
String a = inf.nextLine();
outf.println(\"/* \" + ln + \" */ \" + a); //keeping line numbers before every line
ln++; // incrementing the line number for each and every line
}
outf.close(); // closing the output file
}
}
.
Assignment 2Assignment Content1. Top of FormResource·.docx
Assignment 2
Assignment Content
1.
Top of Form
Resource:
· "Console/File Input and Output" text file
For this assignment, you will build on "starter" code to create a Java™ program that prompts the user for input, accepts user input, and produces both console and file output.
Copy the linked code to a JAVA file.
Add Java® code based on the comments inside the code.
Note: Refer to this week's Individual "Week Two Analyze Assignment" for model code you can adapt to meet this assignment's requirements.
Test, debug, and run your code using the NetBeans editor to make sure it meets the program requirements.
Save your JAVA file with a .txt extension.
* Program: Week 2 Code Assignment
* Purpose: Console/file input and output
* Programmer: YOUR NAME HERE
* Class: PRG/421r13, Java Programming II
* Instructor: YOUR INSTRUCTOR HERE
* Creation Date: TODAY'S DATE
* Comments: Fill in code
*
***********************************************************************/
package demo;
import java.util.Scanner; // scanner is a predefined class for taking inputs from user
public class Startercode
{
public static void main(String[] args)
{
// prompts and accepts user input
Scanner input= new Scanner(System.in);
double data;
System.out.println("Enter value ");
// accepts file input
String fileName = "input.txt"; // name of the file to open
String line = null; // will reference one line at a time
try {
FileReader fileReader = // FileReader reads text file
new FileReader(fileName); // reads in data from the file
// produces both console and file output
try { // coding block to output data to file
fileStdout = new PrintStream(new FileOutputStream("data.txt")); // output file name is data.txt
System.out.println("=============="); // output to console, numbers 0 through 9
fileStdout.println("" + i);
// ENTER YOUR CODE HERE. Enter code to end program successfully. Bottom of Form
Assignment 3
Assignment Content
1.
Top of Form
For this assignment, you will develop "starter" code. After you finish, your code should access an existing text file that you have created, create an input stream, read the contents of the text flie, sort and store the contents of the text file into an ArrayList, then write the sorted contents via an ouput stream to a separate output text file.
Copy and paste the following Java™ code into a JAVA source file in NetBeans:
import java.io.BufferedReader;
import java.io.BufferedWriter;
public class Datasort {
public static void main (String [] args) {
File fin = // input file
File fout = // create an out file
// Java FileInputStream class obtains input bytes from a file
FileInputStream fis = new FileInputStream(fin);
// buffering characters so as to provide for the efficient reading of characters, arrays, and lines
BufferedRead ...
JAVA Q2- Write a program that reads strings from the user and writes t.docx
JAVA
Q2: Write a program that reads strings from the user and writes them to an output file called userStrings.txt. Stop processing when the user enters the string \"DONE\". Do not write the sentinel string (\"DONE\") to the output file. [15 points] Hint: For a complete example of file IO, please see the attached TestData program.
Sample Output:
A string.
Another string.
Yet more text...
DONE
Solution
Answer
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.Scanner;
class WriteStringFile {
public static void main(String[] args) {
File file = new File(\"D:/userFile.txt\");
String data;
Scanner input = new Scanner(System.in);
data = input.readLine();
try (FileOutputStream fop = new FileOutputStream(file)) {
// if file doesn\'t exists, then create it
if (!file.exists()) {
file.createNewFile();
}
if (data != \"DONE\") {
// get the content in bytes
byte[] contentInBytes = content.getBytes();
fop.write(contentInBytes);
fop.flush();
fop.close();
} else {
System.out.println(\"User Enter the value Done.. So unable to write into file\");
}
} catch (IOException e) {
e.printStackTrace();
}
}
}
.
Write a program that will count the number of characters- words- and l.docx
Write a program that will count the number of characters, words, and lines in a file. Words are separated by whitespace characters. The file name should be passed as a command-line argument, as shown;
c:\\exercise>java Exercise12_13 Loan.java
File Loan.java has
1919 characters
210 words
71 lines
c:\\exercise>
Solution
import java.io.File;
import java.io.FileNotFoundException;
import java.util.Scanner;
import java.util.StringTokenizer;
public class ass1
{
public static void main(String[] args) throws FileNotFoundException
{
//Â Â Scanner console = new Scanner(System.in);
System.out.println(args[0]);
//System.out.println(args[1]);
//System.out.println(args[2]);
String inputFile=args[0];
File file = new File(inputFile);
Scanner in = new Scanner(file);
int words = 0;
int lines = 0;
int chars = 0;
while(in.hasNextLine()) {
lines++;
String line = in.nextLine();
chars += line.length();
words += new StringTokenizer(line, \" \").countTokens();
}
System.out.println(\"characters are \"+chars);
System.out.println(\"words are \"+words);
System.out.println(\"lines are \"+lines);
}
}
.
What is java input and output stream?
Java I/O (Input and Output) is used to process the feedback and produce the outcome based on the feedback. Java uses the idea of circulation to make I/O function fast. The java.io package contains all the sessions required for feedback and outcome functions.
What is java input and output stream?
Java I/O (Input and Output) is used to process the feedback and produce the outcome based on the feedback. Java uses the idea of circulation to make I/O function fast. The java.io package contains all the sessions required for feedback and outcome functions.
Java cheat sheet
In this cheat sheet, you can find object oriented programming concept's fundamentals very easily. Some topics has very details explanations that could be very helpful those who is in entry level in java mostly object oriented world.
Core Java Programming Language (JSE) : Chapter XI - Console I/O and File I/O
Java.io.File Class in Java. The File class is Java's representation of a file or directory path name. ... A file system may implement restrictions to certain operations on the actual file-system object, such as reading, writing, and executing. These restrictions are collectively known as access permissions.
The program uses console I/O to simply read its "standard input (stdin)"—which might be the keyboard, a file dump, or the output of some other program—and print to its "standard output (stdout)"—which might be the display or printer or another program or a file.
Similar to Use Java to program the following.1. Create public java class name.pdf (20)
Write a java program that allows the user to input the name of a file.docx
Write a java program that allows the user to input the name of a file.docx
Write a java program that would ask the user to enter an input file .pdf
Write a java program that would ask the user to enter an input file .pdf
i am finishing a project for my cs 0401 java course. I have complete.pdf
i am finishing a project for my cs 0401 java course. I have complete.pdf
Description 1) Create a Lab2 folder for this project2.docx
Description 1) Create a Lab2 folder for this project2.docx
Write a program that reads a file containing text- Read each line and.docx
Write a program that reads a file containing text- Read each line and.docx
Assignment 2Assignment Content1. Top of FormResource·.docx
Assignment 2Assignment Content1. Top of FormResource·.docx
JAVA Q2- Write a program that reads strings from the user and writes t.docx
JAVA Q2- Write a program that reads strings from the user and writes t.docx
Write a program that will count the number of characters- words- and l.docx
Write a program that will count the number of characters- words- and l.docx
Core Java Programming Language (JSE) : Chapter XI - Console I/O and File I/O
Core Java Programming Language (JSE) : Chapter XI - Console I/O and File I/O
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How do the microsporangium and microspore in seed plants differ from.pdf
How do the microsporangium and microspore in seed plants differ from primitive heterosporous
plants?
Solution
Microsporangium and Microspores in seed plants:
Microspores are the first cells to form into the male gametophyte and give rise to pollen grains.
The megaspores are formed within the developing seed. Microsporangia develop in pairs toward
the bases of the scales. Each of the microsporocytes in the microsporangia undergoes meiosis,
producing four haploid microspores. These then develop into pollen grains and each grain
consists of four cells and a pair of external air sacs.
Primitive Heterosporous plants:
The small female gametophyte formed on germination of the megaspore produces one or few
archegonia in a very short time. The microspore also develops rapidly, and spermatozoids are
soon liberated from the male gametophyte..
Homework question with 2 partsA. Compare and contrast the geologic.pdf
Homework question with 2 parts
A. Compare and contrast the geologic and atmospheric characteristics of the following two
moons: Miranda and Triton.
B. In what respects is Pluto more like a moon than a Jovian or terrestrial planet?
Solution
A.
Geologically triton made of solid surface and an evidance of geological activity as IOs and its
surface young with sparse impart craters. Spectroscopic studies reveasl that Triton consists of
thin nitrogen and methane atmosphere.Mirinda atmosphere composes of half of ice and half of
rocky materials (silicate rock) at its center. The geological activity caused by tidal heating.
B.
Size of Pluto is very less(1/6 th mass of our moons). Pluto is more like a moon than jovian
planets.Like terristrial planets, Pluto does not consists of rocky (solid) surface and like jovian
planets, pluto does not consists of gases and liquids composition ..
Client Business Risk The risk that the client will fail to achieve it.pdf
Client Business Risk The risk that the client will fail to achieve its obiectives. Auditor\'s primary
concern is: The risk of material misstatements in the financial statements due to client business
risk. Management is the primary source for identifying client business risks. Explain and provide
examples
Solution
Auditors primary concern is \" The risk of material misstatements in the financial statements due
to clients business risk.\"
In such a situation, Management is the primary source for identifying client business risks
because management is the ultimate responsible persons in the concern for day to day affairs of
the business.
Examples:
Risks of material misstatement can arise from a variety of sources, including external factors,
such as conditions in the company\'s industry and environment, and company-specific factors,
such as the nature of the company, its activities, and internal control over financial reporting.
For example, external or company-specific factors can affect the judgments involved in
determining accounting estimates or create pressures to manipulate the financial statements to
achieve certain financial targets.
Also, risks of material misstatement may relate to, e.g., personnel who lack the necessary
financial reporting competencies, information systems that fail to accurately capture business
transactions, or financial reporting processes that are not adequately aligned with the
requirements in the applicable financial reporting framework..
Describe how removing water from a hydrophobic binding site or ligan.pdf
Describe how removing water from a hydrophobic binding site or ligand can facilitate ligand
binding.
Solution
Hydrophobic is water hating so it cannot interact with water or it stay unmixed. Just like water in
oil where water obstructs interaction between oil, water blocks the hydrophobic binding site. So
the ligand cannot bind to the site..
create a new interface called DropoutStackADT for representing a dro.pdf
create a new interface called DropoutStackADT for representing a dropout stack. It should
contain exactly the same methods as StackADT, and have documentation for the file and each
method in proper javadoc. Your file will be different from StackADT since a dropout stack acts
differently than a normal stack. When documenting methods that should support throwing an
exception, make a note in its javadocdescription.
Implement a drop-out stack using a linked structure. You use the LinearNode or
LinearDoubleNode classes. Follow the DropoutStackADT interface. See Base_A11Q3.java for a
starting place.
STACKADT
LinearDoubleNode
/**
* Represents a node in a linked list.
*
* @author Java Foundations
* @version 4.0
*/
public class LinearDoubleNode
{
private LinearDoubleNode next,prev;
private T element;
/**
* Creates an empty node.
*/
public LinearDoubleNode()
{
next = null;
element = null;
prev = null;
}
/**
* Creates a node storing the specified element.
* @param elem element to be stored
*/
public LinearDoubleNode(T elem)
{
next = null;
element = elem;
prev = null;
}
/**
* Returns the node that follows this one.
* @return reference to next node
*/
public LinearDoubleNode getNext()
{
return next;
}
/**
* Sets the node that follows this one.
* @param node node to follow this one
*/
public void setNext(LinearDoubleNode node)
{
next = node;
}
/**
* Returns the element stored in this node.
* @return element stored at the node
*/
public T getElement()
{
return element;
}
/**
* Sets the element stored in this node.
* @param elem element to be stored at this node
*/
public void setElement(T elem)
{
element = elem;
}
public LinearDoubleNode getPrev(){
return prev;
}
public void setPrev(LinearDoubleNode node){
prev = node;
}
}
Base File DROP-OUT STACK TESTING The size of the stack is: 4 The stack contains: The size
of the stack is 4 The stack contains:
Solution
public class DropOutStack implements StackADT {
private final int DEFAULT_CAPACITY = 10;
// refers to the item in the array being indexed
private int cIndex;
// holds the count of the stack
private int count;
private T[] stack;
public DropOutStack() {
cIndex = count = 0;
stack = (T[]) (new Object[DEFAULT_CAPACITY]);
}
public DropOutStack(int initialCapacity) {
cIndex = count = 0;
stack = (T[]) (new Object[initialCapacity]);
}
public T peek() throws EmptyCollectionException {
if (isEmpty())
throw new EmptyCollectionException(\"Drop-out Stack\");
return stack[(cIndex + stack.length - 1)%stack.length];
}
public T pop() throws EmptyCollectionException {
if (isEmpty())
throw new EmptyCollectionException(\"Drop-out Stack\");
cIndex = (cIndex + stack.length - 1)%stack.length;
T result = stack[cIndex];
stack[cIndex] = null;
count--;
return result;
}
public void push(T element) {
cIndex = cIndex % stack.length;
stack[cIndex] = element;
cIndex++;
if (count != stack.length)
count++;
}
public int size() {
return count;
}
public boolean isEmpty() {
return size() == 0;
}
public String toString() {
String str = \"\";
i.
Case Project 7-1 commen, diicrerne functions, arii price. wri.pdf
Case Project 7-1 commen, diicrerne functions, arii price. write shari pAper statmy wtich onA w
wind f you were an investiertur fur small fam, unwiexplain why. ase Project 7-2
Solution
Digital Forensic: Its basically refer to the process of preservation, identification, extraction of the
digital evidence which can be used in the court of law
Forensics team uses various tools on different platform. Forensic tools for examining for mac,
iphone and ipod devices are as follows:
1) Elcomsoft iOS Forensic Toolkit: This tools having following features:
i) Do the complete forensic study of the user data on iphone and ipods.
ii) Its also help in getting the device private data like passwords, passcodes and encrypted
keys.
iii) Provide fast execution and give the detailed summary about the device.
iv) Very effective for iphone, ipod as well as for ipod.
v) Logging facility, where every step of investigation is being logged.
In term of price its price is around 1400 $
2) iPhone Research Tool: Tools features are as follows:
i) This tool is free of cost tool.
ii) Its mainly used for iphone backup data investigation.
3) MacLockPick: Tools features are as follows:
i) Its a new generation tools for forensic investigations.
ii) Its a cross platform tool and can be used with different platforms
iii) Best suitable for mac os..
Base your answer to questio n 25 on the map below and on your knowled.pdf
Base your answer to questio n 25 on the map below and on your knowledge of social studies
SYRIA The Arab Spring, 2010-2011 DAMASCUS-Authorities crack down on the first protest
on March 16 TUNISIA SIDI BOU Bouazizi sets himself ablaze on Dec. 17, 2010 suppression
begins in March igniting the \"Arab Spring. ATLANTIC OCEAN response to demonstrations
escalates when tanks enter Homs in May. HAMA-The military besieges Sidi Bouzid SYRI
LEBANON TUNISIA amascRA CairoO EGYPT and captures Hama on July 31 Sirte KUWAIT
Kuwait City JORDAN BAHRAIN LIBYA QATAR BAHRAIN MANAMA-Protests UAE begin
at Pearl EGYPT CAIRO-Protests in February. LIBYA BENGHAZI-Qadhafi\'s troops crack and
culminate down violently on protests beginning in February TRIPOLI-The rebels take the capital
after heavy summer fighting SIRTE-Qadhafi is killed in his hometown on Oct. 20. YEMEN with
Mubarak\'s resignation. YEMEN SANAA-In January, protesters call for Saleh\'s resignation. 500
Mles INDIAN OCEAN Lecidity Information Design, LLC 0 500 Kilometers Source: Foreign
Policy Association online, January 13, 2012 (adapted) 25 Based on the information shown on
this map, the term Arab Spring can be defined as (I) regional protests against government leaders
(2) a geopolitical alliance for North African and West Asian countries (3) public support for
military crackdowns (4) terrorist attacks conducted by al-Qaeda
Solution
The series of protests and demonstrations across the Middle East and North Africa that
commenced in 2010, became known as the \"Arab Spring
Option 1 is more relevent although not exactly.
As presented, the tree summation algorithm was always illustrated wi.pdf
As presented, the tree summation algorithm was always illustrated with n = 2m, causing the tree
to be perfectly balanced. Revise the algorithm for the case when n is not a power of 2. Chapter
1.pdf file:/// C /Users plata/Downloads/Chapter%201.pdf The order combining (T 3 15 ID, 13,
18 then adding them to tion variabl Amay dement Pair-Wise summation. Another, more p order
of summation is to add evenlodd pairs of data values ekling the intermediate sums, which are
added in pairs, yielding more intermediate sums, which are themselves added in paits, and so on.
his solutinn can be visnalized as indu tation, where the a tre an e leaves, the intermediate nodes
are the sum o nodes root is the overal um Figure Comparing Figu that becau the two soluti
require the number of op her of intermediate sums, th ing a sexpaenke 12, 13, 18, 6, 4) by ing
pairs of values, 10 25 31 10 Array ektmanls de Ask me anything 8:44 PM 1/29/2017 20
Solution
class FindTriplet
{
// returns true if there is triplet with sum equal
// to \'sum\' present in A[]. Also, prints the triplet
boolean find3Numbers(int A[], int arr_size, int sum)
{
int l, r;
/* Sort the elements */
quickSort(A, 0, arr_size - 1);
/* Now fix the first element one by one and find the
other two elements */
for (int i = 0; i < arr_size - 2; i++)
{
// To find the other two elements, start two index variables
// from two corners of the array and move them toward each
// other
l = i + 1; // index of the first element in the remaining elements
r = arr_size - 1; // index of the last element
while (l < r)
{
if (A[i] + A[l] + A[r] == sum)
{
System.out.print(\"Triplet is \" + A[i] + \" ,\" + A[l]
+ \" ,\" + A[r]);
return true;
}
else if (A[i] + A[l] + A[r] < sum)
l++;
else // A[i] + A[l] + A[r] > sum
r--;
}
}
// If we reach here, then no triplet was found
return false;
}
int partition(int A[], int si, int ei)
{
int x = A[ei];
int i = (si - 1);
int j;
for (j = si; j <= ei - 1; j++)
{
if (A[j] <= x)
{
i++;
int temp = A[i];
A[i] = A[j];
A[j] = temp;
}
}
int temp = A[i + 1];
A[i + 1] = A[ei];
A[ei] = temp;
return (i + 1);
}
/* Implementation of Quick Sort
A[] --> Array to be sorted
si --> Starting index
ei --> Ending index
*/
void quickSort(int A[], int si, int ei)
{
int pi;
/* Partitioning index */
if (si < ei)
{
pi = partition(A, si, ei);
quickSort(A, si, pi - 1);
quickSort(A, pi + 1, ei);
}
}
// Driver program to test above functions
public static void main(String[] args)
{
FindTriplet triplet = new FindTriplet();
int A[] = {1, 4, 45, 6, 10, 8};
int sum = 22;
int arr_size = A.length;
triplet.find3Numbers(A, arr_size, sum);
}
}
Run on IDE
class FindTriplet
{
// returns true if there is triplet with sum equal
// to \'sum\' present in A[]. Also, prints the triplet
boolean find3Numbers(int A[], int arr_size, int sum)
{
int l, r;
/* Sort the elements */
quickSort(A, 0, arr_size - 1);
/* Now fix the first element one by one and find the
other two elements */
for (int i = 0; i < arr_size - 2; i++)
{
// To find the other tw.
A person who quits a job in Los Angeles to look for work in Chicago i.pdf
A person who quits a job in Los Angeles to look for work in Chicago is: cyclically unemployed
frictionally unemployed structurally unemployed not unemployed, but in the labor force. not in
the labor force
Solution
Answer.) Frictionally unemployed
Frictional unemployment is defined as the Level of unemployment that exists in an economy due
to people\'s tendency to move from one job to another..
4. Which one of the following is a key disadvantage of a a. As a gene.pdf
4. Which one of the following is a key disadvantage of a a. As a general rule, 50.01 percent of
the shareholders of both the acquiring and the acquired firms must approve of the merger. b. As a
general rule, at least two-thirds of the shareholders of both the acquiring a of the merger c. The
shareholders of only the acquired firm must approve s must approve the merger d. The
shareholders of only the acquiring firm must approve the merger. e. Neither the shareholders of
the acquiring nor the acquired firm have to approve of the merger 15. An acquisition of a firm
through the purchase of shares of the outstanding stock: I. is frequently more expensive than if
the two firms had just merged. II. can be accomp target firm\'s board of directors. III. can be
accomplished without having the shareholders vote on the acquisition. lished without the
involvement of the IV. may be dependent upon the maximum amount of shares made available
for sale to the acquiring firm. a. I and III only b. II and IV only c. I, III, and IV only d.I, and III
only e. I, II, II, and IV 16. Takeovers can take which of the following forms? I. tender offer II.
III. proxy contest IV. going private transaction a. I and Il only b. III and IV only c. II, III, and IV
only d.I, and IIl only and I
Solution
Answer for 14
Here Option B i.e. approval from 2/3 of aquirer and aquired side should approve of merger this is
one disadvantage mentioned in options
Hence option b is correct response here.
Answer for 15
All the options provided are correct
Hence correct response here is Option 4
Answer for 16
Again in this case take over can take Going Private, Tender offer,merger, proxy conest etc.
Hence Option E is correct answer as all the given objectives are correct..
Who are the three agencies today that rate bondsHow do the three .pdf
Who are the three agencies today that rate bonds?
How do the three agencies classify a downgrade?
Why is downgrade a serious issue?
Solution
S&P , Moody and The Fitch Group these are 3 agencies rate the bond
Credit rating agencies grade or rate bonds dependng upon the creditworthiness and debt
repayment capacities of respective country so that providing intuitive proxy for measure of
default
Downgrade is a serious issue as if its not handelled properly it could lead to crisis like situation
and deadweight loss is seen. Downgrade rectifies the difficult future prospects of that security or
country for that matter.
Which of the following is trueChimpanzees and hominids share a comm.pdf
Which of the following is true?Chimpanzees and hominids share a common ancestor.Hominids
evolved from chimpanzees.Chimpanzees are hominids.Chimpanzees evolved from hominids.
Solution
Correct Answer: Chimpanzees and hominids share a common ancestor.
Explanation: As per researches done between Apes Vs Human, its considered that human are
nothing but Apes. Fact is, human share various traits of apes. Around 7-8 Million years ago, the
trait/species divided into 2 seperate descendants: 1. Gorillas & Chimpanzees & 2. Hominid
(early human ancestor).
Hence, Chimpanzees and hominids share a common ancestor..
What does the multicellular Volvox and unicellular Chlamydomonas sug.pdf
What does the multicellular Volvox and unicellular Chlamydomonas suggest about the evolution
of multicellularity?A. That multicellularity evolved twice in plantsB. That multicellularity arose
as an early adaptation involving the clumping of unrelated individualsC. Gene duplication
events could be important for the evolution of multicellularity because the new genes are free to
changeD. Multicellularity leads to distinct tissue types
Solution
Gene duplication events could be important for the evolution of multicellularity because the new
genes are free to change..
What is the firm’s cost of preferred stock Please show work in Exce.pdf
What is the firm’s cost of preferred stock? Please show work in Excel. 2. (12.5 Points) What is
the firm\'s cost of preferred stock? Nominal dividend rate Dividends per year Par value Price
10% 4 $100 $111.10 Cost of Preferred Stock
Solution
Cost of perferrect Stock = Dividend per share/market price per share
= 4/111.10
Cost of preferred Stock = 3.6%.
What are the 2 major cytoskeletal classes that participate in cell d.pdf
What are the 2 major cytoskeletal classes that participate in cell division? What are their
function?
Solution
We have to know that cytoskeletal classes that participate in cell division,the cytoskeleton is a
structure that helps cells maintain their shape and internal organization also provides mechanical
support that enables cells to carry out essential functions like division and
movement.Cytoskeleton of eukaryotic cells is made of filamentous proteins and it provides
mechanical support to the cell and its cytoplasmic constituents.
Actin filaments and microtubules, intermediate filaments are constructed from a number of
different subunit proteins.They are composed of proteins that have the unique property of being
able to self-assemble into a filamentous network.The proteins that make each of the three
different filament systems assemble into only the structure characteristic of that filament..
Wanda is a 20 percent owner of Video Associates, which is treated as.pdf
Wanda is a 20 percent owner of Video Associates, which is treated as a passthrough entity for
federal income tax purposes. This year, Wanda was allocated $45,000 of ordinary income from
Video Associates, $1,000 of tax-exempt interest income, and $2,000 of nondeductible expenses.
Wanda also received a $10,000 distribution from Video Associates this year. At the beginning of
the year, Video Associates had outstanding debt of $100,000. At the end of the year, the entity’s
outstanding debts increased to $130,000.
If Video Associates is a partnership, and her basis in her partnership interest at the beginning of
the year is $30,000, determine Wanda’s tax basis in her partnership interest at year-end.
If Video Associates is an S corporation, and her basis in her S corporation stock at the beginning
of the year is $10,000, determine Wanda’s tax basis in her corporate stock at year-end.
Solution
ans a Beginning Basis $30,000 Ordinary income allocated 45000 Tax exempt interest
income $1,000 Non dedcutible expenses -2000 Cash distribution ($10,000) Share in
outstanding debt (130000-100000)*20% $6,000 Ending bais $70,000 ans b Beginning
Basis $10,000 Ordinary income allocated 45000 Tax exempt interest income $1,000 Non
dedcutible expenses -2000 Cash distribution ($10,000) Ending bais $44,000.
Using Arrays with Sorting and Searching Algorithms1) This program .pdf
Using Arrays with Sorting and Searching Algorithms
1) This program has six required outputs and involves searching and sorting an array of integers.
Write a java application that initializes an array with the following numbers, in this order: 23, 17,
5, 90, 12, 44, 38, 84, 77, 3, 66, 55, 1, 19, 37, 88, 8, 97, 25, 50, 75, 61, and 49. Then display the
unsorted values. This is required output #1 of 6 for this program.
2) Using a sequential search of the unsorted array, determine and report the relative (i.e. 0,1, 2, 3,
4, etc.) positions of the following numbers in the array (or -1 if not found), and the number of
searches required to locate the numbers: 25, 30, 50, 75, and 92. This is required output #2 of 6.
3) Then display the total number of searches for all five numbers. This is required output #3 of 6.
4) Sort the numbers using a recursive quicksort and then display the sorted array. This is required
output #4 of 6.
5) Using a binary search of the sorted array, determine and report the 1-relative positions of the
following numbers in the array (or -1 if not found), and 2-the number of searches required to
locate the numbers: 25, 30, 50, 75, and 92. This is required output #5 of 6.
6) Finally, display the total number of searches for all five numbers. This is required output #6 of
6.
(There are six required sets of output as numbered in the above paragraphs.)
Create an object-oriented solution for this assignment. Create a class called SArray (Search
Array) that accepts the initial array through the constructor. The class should have a recursive
quick sort sorting method that will sort the array. The class should have two methods for
searching. One that does a sequential search that accepts as input the integer value that is to be
searched for and returns the index in array where the search value is if found, and -1 if not found.
The other search method should be a binary search of a sorted array that accepts as input the
integer value that is to be searched for and returns the index in the array where the search value
is if found, and -1 if not found. Create a toString method to display the contents of the array. The
driver/main class could not only pass in the initial array values but call various methods to
perform the searches, sorting, and array contents display thus enabling you to display the
information in the six items above.
Include additional comments as necessary and maintain consistent indentation
Make sure you upload your java source code and a screen snapshot of all of your program\'s
outputs to blackboard
Solution
import java.util.*;
//Class SArray definition
class SArray
{
//Array declaration
int arr[];
//Parameterized Constructor to assign array value
SArray(int a[])
{
arr = a;
}
//Display array
void toString(int a[])
{
for(int x = 0; x < arr.length; x++)
System.out.print(arr[x] + \" \");
}
//Sequential Search
int sequentialSearch(int a[], int s)
{
//Initially position is set to -1
int pos = -1;
//Loops till end of the arr.
To design an expert system, we must first identify a problem to be s.pdf
To design an expert system, we must first identify a problem to be solved that is somewhat
qualitative (fuzzy, not purely quantitative). The problem must be important and difficult enough
to warrant development of an ES, and there must be an existing, cooperative expert who will
willingly attempt to define his or her own thinking process. What problems can you think of in
your own worklife that may warrant the development of an expert system?
Solution
After studying the literature and the methods used for quality of life evaluation, the author
proposes a new model, which is based on eight key domains. The first six of them examine
objective conditions, the rest consider subjective perception: Economic situation.
Indicators: Equal protection by the law; Right to vote; Right to be treated equally without regard
to gender, race, language, religion, political beliefs, nationality, socioeconomic status and more;
Revenues from environmental taxes; Territorial development and utilization of land; Frequency
of food shopping.
Housing and environment: Indicators: Insufficient space; Moisture and leaks; Old windows and
floor; Phosphates and nitrates in the water; Generation of municipal garbage; Presence of smog.
Employment, education and skills: Indicators: Free education; Long life education; Pressure at
work; Actual working hours; Job uncertainty; Requirements for promotion; Duration of work;
Right to fair pay; Equal pay for equal work; Freedom from discrimination; Freedom of thought;
Free choice of employment.
Structure of the household and family relationships: Indicators: Time for housework; Support for
household (payments, kinship, friendship, neighbourhood); Good relations in the family;
Presence of a partner; Income.
Balance between work and life: Indicators: Social relationships; Children at home; Additional
learning and training; Autonomy in work; Support from the employer for balance of work – life;
Right to privacy; Right to rest and leisure.
Health and healthcare: Indicators: Free healthcare; Disease control and prevention; Regular
immunization; Rehabilitation and socialization; Extent of free dental services.
Urban subjective: Indicators: Current life satisfaction; People\'s optimism about their future;
Expectations.
Concepts of the quality of society: Indicators: Trust in others; Assessing the quality of social
services; Alienation in society; Despair; Uncertainty in their own communities (Tension in
society)..
Translate the following into English. Let C denote an arbitrary coll.pdf
Translate the following into English. Let C denote an arbitrary collection of individuals (we use
different brackets to aid in pairing them up.) Vk eNrzhe N |(ICI > n) S C Cr (ISI > k) ((Vz, ye
S(Fiz. yl)V (tr.ue S. ,r y(F(z.yn
Solution
It states that for all k innatural numbers there exist a natural number n such that cardinality of C
8s greater than or equal to n .
This implies that there exist a subset S of C where cardinality of S is greater than equal to k and
for all x,y in S define F(x,y) or for all x,y in S x is not same as y and is nit in the family of
yF(x,y).
The force on an object is F = - 21j. For the vector v = 2 i - 2j, fin.pdf
The force on an object is F = - 21j. For the vector v = 2 i - 2j, find: The component of F parallel
to v: The component of F perpendicular to v: The work, W, done by force F through
displacement v:
Solution
Given that
F=-21j
V=2i-2j
|v|={2^2+2^2}
|v|=(4+4)
|v|=8
|v|=22
The unit vector along v is n
Then n= v/|v|
n=(2i-2j)/22
n=(i-j)/2
|F|=21
a) the component F parallel to v is F_n
F_n=|F|*n=-21*((i-j)/2)
F_n=-21*n
b) the component F perpendicular to v
Let this component be (F_n)`,then
F_n+(F_n)`=F
F_n)`=F-F_n
(F_n)`=-21j+{(21/2)*n}
=-21j+{(21/2)*((i-j)/2)}
=-21j+{(21/2)*(i-j)}
=-21j+((21i-21j)/2)
={(-21j*2)+(21i-21j)}/2
=(-42j+21i-21j)/2
=(21i-63j)/2
C) the work done by F through displacement v
W=F.v
W=(-21j).(2i-2j)
W=(-21)*(-2)
W=42.
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