JAVACountOccurrenceOfWords.javaYour program should take a text f.pdf
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JAVA CountOccurrenceOfWords.java Your program should take a text file name as a command line argument. It should read the file and print the number of times the most-used word appears and, in ascending order, the words that occur most frequently. Ignore case when processing the words in the file. Your program may ignore punctuation. For example, if the file contained The program\'s output should be Words that appear 2 times: and are dachshunds dogs Solution //CountOccurrenceOfWords.java import java.io.BufferedReader; import java.io.FileNotFoundException; import java.io.FileReader; import java.io.IOException; import java.util.Map; import java.util.Set; import java.util.TreeMap; import java.util.ArrayList; import java.util.*; public class CountOccurrenceOfWords { public static void main(String[] file) throws FileNotFoundException, IOException { if (file.length == 0) { System.out.println(\"Usage: java CountOccurrenceOfWords targetfile\"); System.exit(0); } BufferedReader br = null; br = new BufferedReader(new FileReader(file[0])); String text = null; TreeMap treemap = new TreeMap(); try {output while ((text = br.readLine()) != null) { String[] line = text.split(\"[ \ \\t\ .,;:!?(){}]\"); for (int count = 0; count < line.length; count++) { String key = line[count].toLowerCase(); if (key.length() > 0) { if (treemap.get(key) == null) { treemap.put(key, 1); } else { int value = treemap.get(key).intValue(); value++; treemap.put(key, value); } } } } Set> entrySet = treemap.entrySet(); int max = 0; for (Map.Entry entry : entrySet) { if(entry.getValue() > max) max = entry.getValue(); } // create an empty array list with an initial capacity ArrayList maxFrequencyList = new ArrayList(100); for (Map.Entry entry : entrySet) { if(max == entry.getValue()) maxFrequencyList.add(entry.getKey()); } // sort maximum frequncy list Collections.sort(maxFrequencyList); System.out.print(\"Words that appear \" + max + \" times are: \"); for (String word : maxFrequencyList) { System.out.print(word + \", \"); } System.out.println(); } catch (IOException error) { System.out.println(\"Invalid File\"); } finally { br.close(); } } } /* output: Words that appear 2 times are: and, are, dachshunds, dogs, */.
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![JAVA
CountOccurrenceOfWords.java
Your program should take a text file name as a command line argument. It should read the file
and print the number of times the most-used word appears and, in ascending order, the words
that occur most frequently. Ignore case when processing the words in the file. Your program may
ignore punctuation. For example, if the file contained
The program's output should be
Words that appear 2 times: and are dachshunds dogs
Solution
//CountOccurrenceOfWords.java
import java.io.BufferedReader;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.util.Map;
import java.util.Set;
import java.util.TreeMap;
import java.util.ArrayList;
import java.util.*;
public class CountOccurrenceOfWords
{
public static void main(String[] file) throws FileNotFoundException, IOException
{
if (file.length == 0)
{
System.out.println("Usage: java CountOccurrenceOfWords targetfile");
System.exit(0);
}
BufferedReader br = null;
br = new BufferedReader(new FileReader(file[0]));
String text = null;
TreeMap treemap = new TreeMap();](https://image.slidesharecdn.com/javacountoccurrenceofwords-230702161844-3fe481f8/85/JAVACountOccurrenceOfWords-javaYour-program-should-take-a-text-f-pdf-1-320.jpg)
![try
{output
while ((text = br.readLine()) != null)
{
String[] line = text.split("[ t .,;:!?(){}]");
for (int count = 0; count < line.length; count++)
{
String key = line[count].toLowerCase();
if (key.length() > 0)
{
if (treemap.get(key) == null)
{
treemap.put(key, 1);
}
else
{
int value = treemap.get(key).intValue();
value++;
treemap.put(key, value);
}
}
}
}
Set> entrySet = treemap.entrySet();
int max = 0;
for (Map.Entry entry : entrySet)
{
if(entry.getValue() > max) max = entry.getValue();
}
// create an empty array list with an initial capacity
ArrayList maxFrequencyList = new ArrayList(100);
for (Map.Entry entry : entrySet)
{](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)
Recommended
JAVAWrite a program that takes a command-line argument representin.pdf
JAVA
Write a program that takes a command-line argument representing a text file name. The program
should read the given text file and print two lists, each in ascending order. One list should be the
words that exist only once in the text file. The other list should be the words that appear more
than once. Ignore the case of the words when determining whether a word has appeared more
than once. Your program may ignore punctuation.
Solution
//CountOccurrenceOfWords.java
import java.io.BufferedReader;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.util.Map;
import java.util.Set;
import java.util.TreeMap;
import java.util.ArrayList;
import java.util.*;
public class CountOccurrenceOfWords
{
public static void main(String[] file) throws FileNotFoundException, IOException
{
if (file.length == 0)
{
System.out.println(\"Usage: java CountOccurrenceOfWords targetfile\");
System.exit(0);
}
BufferedReader br = null;
br = new BufferedReader(new FileReader(file[0]));
String text = null;
TreeMap treemap = new TreeMap();
try
{
while ((text = br.readLine()) != null)
{
String[] line = text.split(\"[ \ \\t\ .,;:!?(){}]\");
for (int count = 0; count < line.length; count++)
{
String key = line[count].toLowerCase();
if (key.length() > 0)
{
if (treemap.get(key) == null)
{
treemap.put(key, 1);
}
else
{
int value = treemap.get(key).intValue();
value++;
treemap.put(key, value);
}
}
}
}
Set> entrySet = treemap.entrySet();
// create an empty array list with an initial capacity
ArrayList list1 = new ArrayList(100);
ArrayList list2 = new ArrayList(100);
for (Map.Entry entry : entrySet)
{
if(entry.getValue() == 1 ) list1.add(entry.getKey());
else list2.add(entry.getKey());
}
System.out.print(\"Words that appear \" + \"one \"+ \"time are: \");
for (String word : list1)
{
System.out.print(word + \", \");
}
System.out.println(\"\ \");
System.out.print(\"Words that appear more than one time are: \");
for (String word : list2)
{
System.out.print(word + \", \");
}
System.out.println(\"\ \");
}
catch (IOException error)
{
System.out.println(\"Invalid File\");
}
finally
{
br.close();
}
}
}
/*
words.txt
Sophie Sally and Jack were dachshunds
Dachshunds are the best dogs and all dogs
are better than cats
output:
Words that appear one time are: all, best, better, cats, jack, sally, sophie, than, the, were,
Words that appear more than one time are: and, are, dachshunds, dogs,
*/.
Write a program CountWords in Java that reads text from a file and b.pdf
Write a program CountWords in Java that reads text from a file and breaks it up into individual
words. Insert the words into a tree set. At the end of the input file, print all words, followed by
the size of the resulting set. This program determines how many unique words a text file has. If
the file is not found, give the user a chance to select another file.
Solution
Code:
package chegg;
import java.io.BufferedReader;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.util.StringTokenizer;
import java.util.TreeSet;
import javax.swing.text.html.HTMLDocument.Iterator;
public class Test {
public static void main(String args[]) throws IOException
{
BufferedReader br = null;
String sCurrentLine;
TreeSet ts = new TreeSet();
br = new BufferedReader(new FileReader(\"C:/Users/ansharm5/Desktop/chegg\"));
while ((sCurrentLine = br.readLine()) != null) {
StringTokenizer st = new StringTokenizer(sCurrentLine);
while(st.hasMoreTokens())
{
ts.add(st.nextToken());
}
}
System.out.println(\"Total no. of words: \"+ ts.size());
java.util.Iterator iterator = ts.iterator();
while (iterator.hasNext()){
System.out.println(iterator.next() + \" \");
}
}
}.
Write a java program that compute the frequency of each word in the fi.docx
Write a java program that compute the frequency of each word in the file
Task: Implementing Word Counter Problem description: Given a text file, you need to compute the frequency of each word in the file. WordFrequency word: String count: int +WordFrequency(String) +getWord): String +getCount): int +incCount): void TestClass +static main(String[): void / /implements ArrayList of // WordFrequency The WordFrequency class stores the frequency (count) of each word.
Solution
import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
class FileIO {
public static void main (String[] args) throws IOException {
readTextFileInBinaryMode (\"T.txt\");
}
public static void readTextFileInBinaryMode (String fileName) {
FileReader fileReader = null;
LinkedHashMap <String, Integer> wordcount =
new LinkedHashMap <String, Integer> ();
try {
File file = new File (fileName);
fileReader = new FileReader (file);
int ch = -1;
boolean prevCharIsNotSpace = true;
StringBuilder strBuild = new StringBuilder ();
while ((ch = fileReader.read ()) != -1) {
if (ch == 32) {
if (prevCharIsNotSpace) {
Integer freq = wordcount.get (strBuild.toString ());
wordcount.put (strBuild.toString (), (freq == null ? : freq + 1));
}
prevCharIsNotSpace = false;
continue;
}
if (prevCharIsNotSpace == false)
strBuild = new StringBuilder ();
strBuild.append ((char) ch);
prevCharIsNotSpace = true;
}
}
catch (Exception e) {
System.out.println(\"Exception occurs\"+e.getException());
}
//sorting
List <Map.Entry <String, Integer>> list =
new ArrayList <Map.Entry <String, Integer>> ();
for (Map.Entry <String, Integer> entry : wordcount.entrySet ()) {
System.out.println (entry.getKey () + \" \" + entry.getValue ());
list.add (entry);
}
Collections.sort (list, new MapComprator ());
for (Map.Entry <String, Integer> entry : list) {
System.out.println (entry.getKey () + \" \" + entry.getValue ());
}
}
}
class MapComprator implements Comparator <Map.Entry <String, Integer>> {
public int compare (Entry <String, Integer> o1, Entry <String, Integer> o2) {
return (o2.getValue ().compareTo (o1.getValue ()));
}
}
.
InstructionYou’ll probably want to import FileReader, PrintWriter,.pdf
Instruction
You’ll probably want to import FileReader, PrintWriter, ArrayList, List, and Scanner.
For this assignment, keep all your classes in one file. Leave the Hwk8 class as public and don’t
use an access modifier for the other classes..
One suggestion for the order to implement the classes would be: the three Exceptions,
Dictionary, Template, and finally the Driver (main method).
You will need to generate the input text files manually from the sample runs of the program.
Exceptions:
The implementation of all three of them (DictionaryFormatException,
EmptyWordListException, and UnsupportedCategoryException) should be very similar.
Since they are all run-time type exceptions, they can extend the RuntimeException class.
You can provide a specific error message to pass into each of them while you are generating the
exceptions in the other classes.
Dictionary:
The instance variables of the Dictionary class are Lists of type String to store the following types
of words: nouns, verbs, adjectives, adverbs, pronouns, interjections. Using an ArrayList to
implement the Lists is recommended.
addWord: The input should be from the “words” file. Specifically it will have the format
“partofspeech:word”. Think about String methods you may use to format the input properly
before using it. Then consider what all these inputs should have in common to determine a
delimiter (character) for splitting the String. You should also check if the input line is empty
(skip it in this case) or whether there isn’t exactly two parts split from the String (in this case
throw a DictionaryFormatException). Trim the resulting two Strings at this point, and use their
data to determine which ArrayList the word belongs to before adding it to that list.
getWord: The input is a String representation of the part of speech list you want to extract a word
from. If the String does not correspond to a part of speech name (noun, verb, etc.), throw an
UnsupportedCategoryException. First make sure there are words remaining in the selected list. If
not, throw an EmptyWordListException. Finally, use a random function to randomly remove a
word from that list and return it as the output.
Template:
Its sole instance variable is a String called template. This should be the String equivalent of the
template file the driver reads in.
As such, the constructor should just set the template value to be the String representation of the
template passed into it.
fill: Takes in a dictionary as an argument, and returns a String representation of a modified
template. You’ll want to find a way to split the template String into pieces easier to manage. To
create the result String, you’ll need to keep the parts of the String that aren’t word prompts as-is.
Then for the elements where “/ pos” shows up, you’ll want to replace those by retrieving an
appropriate word from the dictionary list (so choose from the noun list when a noun is requested,
etc.) if the process of appending parts of the String fails for s.
Basic input-output-v.1.1
Streams are used for reading and writing data in Java. The Scanner class is used for reading text files by constructing a Scanner from a File object. The PrintStream class is used for writing to text files by specifying the file name and encoding. Exceptions may occur during I/O operations and should be handled using try-catch blocks to prevent program errors.
Java for Mainframers
The document discusses Java programming concepts including:
- Java provides a common framework to handle strings, networks, and extended functions. It also handles garbage collection and can be cross-platform.
- The main() method is where every Java program begins execution. It must have a specific signature of public static void main(String[] args).
- There are 8 primitive data types in Java including int, short, long, float, double, char, boolean, and byte that are used to store basic values.
Java programming basics
Java was created in 1991 by James Gosling, Mike Sheridan, and Patrick Naughton at Sun Microsystems. It has three editions: Java ME for limited devices, Java SE as the core platform for desktops and servers, and Java EE for large enterprise applications. Java code is compiled into bytecode that runs on a Java Virtual Machine (JVM) making Java portable across platforms. Key principles of Java include being object-oriented, secure, and platform independent.
About java
- Java was originally created in 1991 by Sun Microsystems to develop a programming language that could be used to control various home entertainment devices from a single hand-held device. This led to the creation of Java, originally called Oak.
- Java is a cross-platform language that can run on various operating systems. Java programs can be standalone applications or applets that require a web browser to run.
- The Java compiler converts Java source code files with a .java extension into bytecode files with a .class extension. The Java Virtual Machine then executes the bytecode instructions.
Recommended
JAVAWrite a program that takes a command-line argument representin.pdf
JAVA
Write a program that takes a command-line argument representing a text file name. The program
should read the given text file and print two lists, each in ascending order. One list should be the
words that exist only once in the text file. The other list should be the words that appear more
than once. Ignore the case of the words when determining whether a word has appeared more
than once. Your program may ignore punctuation.
Solution
//CountOccurrenceOfWords.java
import java.io.BufferedReader;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.util.Map;
import java.util.Set;
import java.util.TreeMap;
import java.util.ArrayList;
import java.util.*;
public class CountOccurrenceOfWords
{
public static void main(String[] file) throws FileNotFoundException, IOException
{
if (file.length == 0)
{
System.out.println(\"Usage: java CountOccurrenceOfWords targetfile\");
System.exit(0);
}
BufferedReader br = null;
br = new BufferedReader(new FileReader(file[0]));
String text = null;
TreeMap treemap = new TreeMap();
try
{
while ((text = br.readLine()) != null)
{
String[] line = text.split(\"[ \ \\t\ .,;:!?(){}]\");
for (int count = 0; count < line.length; count++)
{
String key = line[count].toLowerCase();
if (key.length() > 0)
{
if (treemap.get(key) == null)
{
treemap.put(key, 1);
}
else
{
int value = treemap.get(key).intValue();
value++;
treemap.put(key, value);
}
}
}
}
Set> entrySet = treemap.entrySet();
// create an empty array list with an initial capacity
ArrayList list1 = new ArrayList(100);
ArrayList list2 = new ArrayList(100);
for (Map.Entry entry : entrySet)
{
if(entry.getValue() == 1 ) list1.add(entry.getKey());
else list2.add(entry.getKey());
}
System.out.print(\"Words that appear \" + \"one \"+ \"time are: \");
for (String word : list1)
{
System.out.print(word + \", \");
}
System.out.println(\"\ \");
System.out.print(\"Words that appear more than one time are: \");
for (String word : list2)
{
System.out.print(word + \", \");
}
System.out.println(\"\ \");
}
catch (IOException error)
{
System.out.println(\"Invalid File\");
}
finally
{
br.close();
}
}
}
/*
words.txt
Sophie Sally and Jack were dachshunds
Dachshunds are the best dogs and all dogs
are better than cats
output:
Words that appear one time are: all, best, better, cats, jack, sally, sophie, than, the, were,
Words that appear more than one time are: and, are, dachshunds, dogs,
*/.
Write a program CountWords in Java that reads text from a file and b.pdf
Write a program CountWords in Java that reads text from a file and breaks it up into individual
words. Insert the words into a tree set. At the end of the input file, print all words, followed by
the size of the resulting set. This program determines how many unique words a text file has. If
the file is not found, give the user a chance to select another file.
Solution
Code:
package chegg;
import java.io.BufferedReader;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.util.StringTokenizer;
import java.util.TreeSet;
import javax.swing.text.html.HTMLDocument.Iterator;
public class Test {
public static void main(String args[]) throws IOException
{
BufferedReader br = null;
String sCurrentLine;
TreeSet ts = new TreeSet();
br = new BufferedReader(new FileReader(\"C:/Users/ansharm5/Desktop/chegg\"));
while ((sCurrentLine = br.readLine()) != null) {
StringTokenizer st = new StringTokenizer(sCurrentLine);
while(st.hasMoreTokens())
{
ts.add(st.nextToken());
}
}
System.out.println(\"Total no. of words: \"+ ts.size());
java.util.Iterator iterator = ts.iterator();
while (iterator.hasNext()){
System.out.println(iterator.next() + \" \");
}
}
}.
Write a java program that compute the frequency of each word in the fi.docx
Write a java program that compute the frequency of each word in the file
Task: Implementing Word Counter Problem description: Given a text file, you need to compute the frequency of each word in the file. WordFrequency word: String count: int +WordFrequency(String) +getWord): String +getCount): int +incCount): void TestClass +static main(String[): void / /implements ArrayList of // WordFrequency The WordFrequency class stores the frequency (count) of each word.
Solution
import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
class FileIO {
public static void main (String[] args) throws IOException {
readTextFileInBinaryMode (\"T.txt\");
}
public static void readTextFileInBinaryMode (String fileName) {
FileReader fileReader = null;
LinkedHashMap <String, Integer> wordcount =
new LinkedHashMap <String, Integer> ();
try {
File file = new File (fileName);
fileReader = new FileReader (file);
int ch = -1;
boolean prevCharIsNotSpace = true;
StringBuilder strBuild = new StringBuilder ();
while ((ch = fileReader.read ()) != -1) {
if (ch == 32) {
if (prevCharIsNotSpace) {
Integer freq = wordcount.get (strBuild.toString ());
wordcount.put (strBuild.toString (), (freq == null ? : freq + 1));
}
prevCharIsNotSpace = false;
continue;
}
if (prevCharIsNotSpace == false)
strBuild = new StringBuilder ();
strBuild.append ((char) ch);
prevCharIsNotSpace = true;
}
}
catch (Exception e) {
System.out.println(\"Exception occurs\"+e.getException());
}
//sorting
List <Map.Entry <String, Integer>> list =
new ArrayList <Map.Entry <String, Integer>> ();
for (Map.Entry <String, Integer> entry : wordcount.entrySet ()) {
System.out.println (entry.getKey () + \" \" + entry.getValue ());
list.add (entry);
}
Collections.sort (list, new MapComprator ());
for (Map.Entry <String, Integer> entry : list) {
System.out.println (entry.getKey () + \" \" + entry.getValue ());
}
}
}
class MapComprator implements Comparator <Map.Entry <String, Integer>> {
public int compare (Entry <String, Integer> o1, Entry <String, Integer> o2) {
return (o2.getValue ().compareTo (o1.getValue ()));
}
}
.
InstructionYou’ll probably want to import FileReader, PrintWriter,.pdf
Instruction
You’ll probably want to import FileReader, PrintWriter, ArrayList, List, and Scanner.
For this assignment, keep all your classes in one file. Leave the Hwk8 class as public and don’t
use an access modifier for the other classes..
One suggestion for the order to implement the classes would be: the three Exceptions,
Dictionary, Template, and finally the Driver (main method).
You will need to generate the input text files manually from the sample runs of the program.
Exceptions:
The implementation of all three of them (DictionaryFormatException,
EmptyWordListException, and UnsupportedCategoryException) should be very similar.
Since they are all run-time type exceptions, they can extend the RuntimeException class.
You can provide a specific error message to pass into each of them while you are generating the
exceptions in the other classes.
Dictionary:
The instance variables of the Dictionary class are Lists of type String to store the following types
of words: nouns, verbs, adjectives, adverbs, pronouns, interjections. Using an ArrayList to
implement the Lists is recommended.
addWord: The input should be from the “words” file. Specifically it will have the format
“partofspeech:word”. Think about String methods you may use to format the input properly
before using it. Then consider what all these inputs should have in common to determine a
delimiter (character) for splitting the String. You should also check if the input line is empty
(skip it in this case) or whether there isn’t exactly two parts split from the String (in this case
throw a DictionaryFormatException). Trim the resulting two Strings at this point, and use their
data to determine which ArrayList the word belongs to before adding it to that list.
getWord: The input is a String representation of the part of speech list you want to extract a word
from. If the String does not correspond to a part of speech name (noun, verb, etc.), throw an
UnsupportedCategoryException. First make sure there are words remaining in the selected list. If
not, throw an EmptyWordListException. Finally, use a random function to randomly remove a
word from that list and return it as the output.
Template:
Its sole instance variable is a String called template. This should be the String equivalent of the
template file the driver reads in.
As such, the constructor should just set the template value to be the String representation of the
template passed into it.
fill: Takes in a dictionary as an argument, and returns a String representation of a modified
template. You’ll want to find a way to split the template String into pieces easier to manage. To
create the result String, you’ll need to keep the parts of the String that aren’t word prompts as-is.
Then for the elements where “/ pos” shows up, you’ll want to replace those by retrieving an
appropriate word from the dictionary list (so choose from the noun list when a noun is requested,
etc.) if the process of appending parts of the String fails for s.
Basic input-output-v.1.1
Streams are used for reading and writing data in Java. The Scanner class is used for reading text files by constructing a Scanner from a File object. The PrintStream class is used for writing to text files by specifying the file name and encoding. Exceptions may occur during I/O operations and should be handled using try-catch blocks to prevent program errors.
Java for Mainframers
The document discusses Java programming concepts including:
- Java provides a common framework to handle strings, networks, and extended functions. It also handles garbage collection and can be cross-platform.
- The main() method is where every Java program begins execution. It must have a specific signature of public static void main(String[] args).
- There are 8 primitive data types in Java including int, short, long, float, double, char, boolean, and byte that are used to store basic values.
Java programming basics
Java was created in 1991 by James Gosling, Mike Sheridan, and Patrick Naughton at Sun Microsystems. It has three editions: Java ME for limited devices, Java SE as the core platform for desktops and servers, and Java EE for large enterprise applications. Java code is compiled into bytecode that runs on a Java Virtual Machine (JVM) making Java portable across platforms. Key principles of Java include being object-oriented, secure, and platform independent.
About java
- Java was originally created in 1991 by Sun Microsystems to develop a programming language that could be used to control various home entertainment devices from a single hand-held device. This led to the creation of Java, originally called Oak.
- Java is a cross-platform language that can run on various operating systems. Java programs can be standalone applications or applets that require a web browser to run.
- The Java compiler converts Java source code files with a .java extension into bytecode files with a .class extension. The Java Virtual Machine then executes the bytecode instructions.
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Object-oriented programming Undergraduate Course Presentations
java.io streams and files in Java
University of Vale do Itajaí
Univali
Incremental Tecnologia
English version
Basic i/o & file handling in java
the slide about Exception handling in java and the file and io handling in java .inbuilt java packages in for java exception.for beginner in programming
File Handling.pptx
This document provides an introduction to file handling in Java. It discusses how file handling allows programs to permanently store output data by writing it to files on secondary storage devices like hard disks. It covers key concepts like input and output streams that represent the flow of data into and out of a program. It also discusses how to create, write to, read from, and delete files in Java using classes like File, FileWriter, FileReader and Scanner. Common file methods like getName(), getAbsolutePath(), exists() are also outlined.
Introduction To Java.
In This Presentation You See a brief history of java and all major topic like packege,util class and More.
Enjoy........
asdabuydvduyawdyuadauysdasuydyudayudayudaw
The document discusses file input/output (I/O) in Java. It covers:
1) Java's I/O system of readers, writers, and streams for reading from and writing to files.
2) Exceptions in file I/O and how to handle errors using try/catch blocks.
3) Examples of reading text and binary data from files, writing data to files, and scanning files for specific data.
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);
}
}
.
Introduction
The document introduces abstract data types (ADTs) and common ADT implementations like bags, lists, stacks, queues, dictionaries, and trees. It discusses the history and characteristics of the Java programming language. It provides an example of a simple Java program that prints output and explains the anatomy of a Java program including comments, reserved words, modifiers, statements, blocks, classes, and methods. It also discusses how to get user input in Java using the Scanner class.
Object Oriented Programming - Java
These slides introduces you to the following Java concepts:
- javac
-java
-javah
-javadoc
-appletviewer
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.
Basic Java Programming
Here I discuss about Java programming language and easiest way to solve programming problem. Java basic syntax and their uses are described briefly so that anyone can easily understand within very short time. If anyone follow the slide with proper way,I assure that he or she will find java programming interesting.
Classes and Objects
The document provides an introduction to Java programming, covering key object-oriented programming concepts like encapsulation, inheritance and polymorphism. It discusses the history and development of Java, comparing it to C++, and outlines core Java concepts such as classes, objects, methods and packages. The document also examines Java features like automatic memory management, type safety and platform independence.
Parsing food data lab - Please answer in JAVA Given a text file contai.pdf
Parsing food data lab - Please answer in JAVA
Given a text file containing the availability of food items, write a program that reads the
information from the text file and outputs the available food items. The program first reads the
name of the text file from the user. The program then reads the text file, stores the information
into four separate arrays, and outputs the available food items in the following format: name
(category) -- description
Assume the text file contains the category, name, description, and availability of at least one food
item, separated by a tab character.
Ex: If the input of the program is:
and the contents of food.txt are:
the output of the program is:
import java.util.Scanner;
import java.io.FileInputStream;
import java.io.IOException;
public class LabProgram {
public static void main(String[] args) throws IOException {
Scanner scnr = new Scanner(System.in);
/* Type your code here. */
}
}.
UNIT 5.pptx
This document discusses files and exception handling in Python. It begins by defining files and describing different types of files like data, text, and program files. It then covers topics like sequential and random file access, opening and closing files, reading and writing to files, and using file dialogs. The document also discusses retrieving data from the web using functions like urlopen. Finally, it defines exceptions and different types of errors like syntax, runtime, and logical errors. It explains how to handle exceptions in Python using try/except blocks and predefined or user-defined exceptions.
I would like this to be answered in java 9-8 LAB- Parsing food data.pdf
I would like this to be answered in java
9.8 LAB: Parsing food data
Given a text file containing the availability of food items, write a program that reads the
information from the text file and outputs the available food items. The program first reads the
name of the text file from the user. The program then reads the text file, stores the information
into four separate arrays, and outputs the available food items in the following format: name
(category) -- description
Assume the text file contains the category, name, description, and availability of at least one food
item, separated by a tab character.
Ex: If the input of the program is:
and the contents of food.txt are:
the output of the program is:
import java.util.Scanner;
import java.io.FileInputStream;
import java.io.IOException;
public class LabProgram {
public static void main(String[] args) throws IOException {
Scanner scnr = new Scanner(System.in);
/* Type your code here. */
}
}.
Eo gaddis java_chapter_02_5e
This document discusses Java fundamentals including the parts of a Java program, variables, data types, and output methods. It covers the structure of a Java program including classes, methods, and statements. It also explains using the System.out print methods to display output and how variables store values of different data types like int, float, boolean and char. Special characters, literals, and identifiers are also summarized.
Perfomatix - Java Coding Standards
The worst large application pitfall is maintaining a huge code base with hundreds of dependencies - such a monolith slows down developers as they try to incorporate new features. Instead, partition your code into components, each gets its own folder or a dedicated codebase, and ensure that each unit is kept small and simple.
The ultimate solution is to develop small software: divide the whole stack into self-contained components that don't share files with others, each constitutes very few files (e.g. API, service, data access, test, etc.) so that it's very easy to reason about it.
Find an artticle or advertisment that exemplifies the use of the sta.pdf
Find an artticle or advertisment that exemplifies the use of the statistics. Then,based on the
article answer the follwing quetions. (a) Identtify your source.Include the date of publication.
(b)What is the population? Is the population tangible or conceptual? (c)What is the method of
data collection? (d)what is the sample? (e)How was the sample obtained? (f) Decide if there
seems to be a better way to take the sample? (g) Identify any one variable that reported in the
article? (h) Identify the type of data and level of measurement for the variable in (g). (i) Identify
and describe one statistic reported in the article.
Solution
Robitaille Y., Laforest S., Fournier M., Gauvin L., Parisien M., Corriveau H., Trickey F., &
Damestoy N. (2005, November). Moving Forward in Fall Prevention: An Intervention to
Improve Balance Among Older Adults in Real-World Settings. Am J Public Health, 95(11),
2049 – 2056.
The purpose of the study was to investigate the effectiveness of a group-based exercise
intervention to improve balancing ability among older adults delivered in natural settings by staff
in local community organizations.
In this study, the quasiexperimental design was used. The participants of this study were older
adults concerned about falls. In this study, community organizations were responsible for
recruiting participants and delivering the intervention. Ninety eight participants were offered the
interventions by 10 community organizations in a group of 5 to 15 persons and 7 organizations
recruited 102 participants (similar groups of 5 to 15 persons) for control group (with home-based
exercises). Participants were assessed by a physiotherapist at the beginning of the study and 3
months later. The researchers compared the demographics, health, balance, and strength of the
two groups.
The mean age of participants was 73.9 years, and 84% were women. More than half of study
participants lived alone, and almost 40% reported having fallen in the year before baseline
assessment. Comparison of intervention and control participants at baseline did not reveal
statistically significant differences in demographics, health, physical activity, or vitality
indicators. Intervention participants improved more than control participants on all statistic
balance indicators except one (lateral reach both sides). Intervention participants also showed
greater improvement in mobility and strength indicators.
The findings of this study are consistent with those of previous researchers who reported that
group-based exercises targeting balance can actually improve balance among older adults.
However, to our knowledge, this is the first study to demonstrate that intervention effects on
balance are possible when the intervention is managed by community organizations and when
participants register because they are concerned about their balance or worried about falls.
The strength of the study is that the ten intervention organizations represented a broad range of
enviro.
A researcher is studying the mean weight of a killer whale. She coll.pdf
A researcher is studying the mean weight of a killer whale. She collects sample data and
computes a confidence interval. Using the same data, she decides to increase the confidence level
and creates a new confidence interval. What happens to the confidence interval?
A.
It gets narrower.
B.
It stays the same.
C.
Impossible to determine without the numbers.
D.
It gets wider.
Solution
increase the confidence level, increase the wider of the confidence interval
Answer: D It gets wider..
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java.io - streams and files
Object-oriented programming Undergraduate Course Presentations
java.io streams and files in Java
University of Vale do Itajaí
Univali
Incremental Tecnologia
English version
Basic i/o & file handling in java
the slide about Exception handling in java and the file and io handling in java .inbuilt java packages in for java exception.for beginner in programming
File Handling.pptx
This document provides an introduction to file handling in Java. It discusses how file handling allows programs to permanently store output data by writing it to files on secondary storage devices like hard disks. It covers key concepts like input and output streams that represent the flow of data into and out of a program. It also discusses how to create, write to, read from, and delete files in Java using classes like File, FileWriter, FileReader and Scanner. Common file methods like getName(), getAbsolutePath(), exists() are also outlined.
Introduction To Java.
In This Presentation You See a brief history of java and all major topic like packege,util class and More.
Enjoy........
asdabuydvduyawdyuadauysdasuydyudayudayudaw
The document discusses file input/output (I/O) in Java. It covers:
1) Java's I/O system of readers, writers, and streams for reading from and writing to files.
2) Exceptions in file I/O and how to handle errors using try/catch blocks.
3) Examples of reading text and binary data from files, writing data to files, and scanning files for specific data.
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);
}
}
.
Introduction
The document introduces abstract data types (ADTs) and common ADT implementations like bags, lists, stacks, queues, dictionaries, and trees. It discusses the history and characteristics of the Java programming language. It provides an example of a simple Java program that prints output and explains the anatomy of a Java program including comments, reserved words, modifiers, statements, blocks, classes, and methods. It also discusses how to get user input in Java using the Scanner class.
Object Oriented Programming - Java
These slides introduces you to the following Java concepts:
- javac
-java
-javah
-javadoc
-appletviewer
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.
Basic Java Programming
Here I discuss about Java programming language and easiest way to solve programming problem. Java basic syntax and their uses are described briefly so that anyone can easily understand within very short time. If anyone follow the slide with proper way,I assure that he or she will find java programming interesting.
Classes and Objects
The document provides an introduction to Java programming, covering key object-oriented programming concepts like encapsulation, inheritance and polymorphism. It discusses the history and development of Java, comparing it to C++, and outlines core Java concepts such as classes, objects, methods and packages. The document also examines Java features like automatic memory management, type safety and platform independence.
Parsing food data lab - Please answer in JAVA Given a text file contai.pdf
Parsing food data lab - Please answer in JAVA
Given a text file containing the availability of food items, write a program that reads the
information from the text file and outputs the available food items. The program first reads the
name of the text file from the user. The program then reads the text file, stores the information
into four separate arrays, and outputs the available food items in the following format: name
(category) -- description
Assume the text file contains the category, name, description, and availability of at least one food
item, separated by a tab character.
Ex: If the input of the program is:
and the contents of food.txt are:
the output of the program is:
import java.util.Scanner;
import java.io.FileInputStream;
import java.io.IOException;
public class LabProgram {
public static void main(String[] args) throws IOException {
Scanner scnr = new Scanner(System.in);
/* Type your code here. */
}
}.
UNIT 5.pptx
This document discusses files and exception handling in Python. It begins by defining files and describing different types of files like data, text, and program files. It then covers topics like sequential and random file access, opening and closing files, reading and writing to files, and using file dialogs. The document also discusses retrieving data from the web using functions like urlopen. Finally, it defines exceptions and different types of errors like syntax, runtime, and logical errors. It explains how to handle exceptions in Python using try/except blocks and predefined or user-defined exceptions.
I would like this to be answered in java 9-8 LAB- Parsing food data.pdf
I would like this to be answered in java
9.8 LAB: Parsing food data
Given a text file containing the availability of food items, write a program that reads the
information from the text file and outputs the available food items. The program first reads the
name of the text file from the user. The program then reads the text file, stores the information
into four separate arrays, and outputs the available food items in the following format: name
(category) -- description
Assume the text file contains the category, name, description, and availability of at least one food
item, separated by a tab character.
Ex: If the input of the program is:
and the contents of food.txt are:
the output of the program is:
import java.util.Scanner;
import java.io.FileInputStream;
import java.io.IOException;
public class LabProgram {
public static void main(String[] args) throws IOException {
Scanner scnr = new Scanner(System.in);
/* Type your code here. */
}
}.
Eo gaddis java_chapter_02_5e
This document discusses Java fundamentals including the parts of a Java program, variables, data types, and output methods. It covers the structure of a Java program including classes, methods, and statements. It also explains using the System.out print methods to display output and how variables store values of different data types like int, float, boolean and char. Special characters, literals, and identifiers are also summarized.
Perfomatix - Java Coding Standards
The worst large application pitfall is maintaining a huge code base with hundreds of dependencies - such a monolith slows down developers as they try to incorporate new features. Instead, partition your code into components, each gets its own folder or a dedicated codebase, and ensure that each unit is kept small and simple.
The ultimate solution is to develop small software: divide the whole stack into self-contained components that don't share files with others, each constitutes very few files (e.g. API, service, data access, test, etc.) so that it's very easy to reason about it.
Similar to JAVACountOccurrenceOfWords.javaYour program should take a text f.pdf (20)
Java history, versions, types of errors and exception, quiz
Java history, versions, types of errors and exception, quiz
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
Description 1) Create a Lab2 folder for this project2.docx
Description 1) Create a Lab2 folder for this project2.docx
Parsing food data lab - Please answer in JAVA Given a text file contai.pdf
Parsing food data lab - Please answer in JAVA Given a text file contai.pdf
I would like this to be answered in java 9-8 LAB- Parsing food data.pdf
I would like this to be answered in java 9-8 LAB- Parsing food data.pdf
More from arkurkuri
Find an artticle or advertisment that exemplifies the use of the sta.pdf
Find an artticle or advertisment that exemplifies the use of the statistics. Then,based on the
article answer the follwing quetions. (a) Identtify your source.Include the date of publication.
(b)What is the population? Is the population tangible or conceptual? (c)What is the method of
data collection? (d)what is the sample? (e)How was the sample obtained? (f) Decide if there
seems to be a better way to take the sample? (g) Identify any one variable that reported in the
article? (h) Identify the type of data and level of measurement for the variable in (g). (i) Identify
and describe one statistic reported in the article.
Solution
Robitaille Y., Laforest S., Fournier M., Gauvin L., Parisien M., Corriveau H., Trickey F., &
Damestoy N. (2005, November). Moving Forward in Fall Prevention: An Intervention to
Improve Balance Among Older Adults in Real-World Settings. Am J Public Health, 95(11),
2049 – 2056.
The purpose of the study was to investigate the effectiveness of a group-based exercise
intervention to improve balancing ability among older adults delivered in natural settings by staff
in local community organizations.
In this study, the quasiexperimental design was used. The participants of this study were older
adults concerned about falls. In this study, community organizations were responsible for
recruiting participants and delivering the intervention. Ninety eight participants were offered the
interventions by 10 community organizations in a group of 5 to 15 persons and 7 organizations
recruited 102 participants (similar groups of 5 to 15 persons) for control group (with home-based
exercises). Participants were assessed by a physiotherapist at the beginning of the study and 3
months later. The researchers compared the demographics, health, balance, and strength of the
two groups.
The mean age of participants was 73.9 years, and 84% were women. More than half of study
participants lived alone, and almost 40% reported having fallen in the year before baseline
assessment. Comparison of intervention and control participants at baseline did not reveal
statistically significant differences in demographics, health, physical activity, or vitality
indicators. Intervention participants improved more than control participants on all statistic
balance indicators except one (lateral reach both sides). Intervention participants also showed
greater improvement in mobility and strength indicators.
The findings of this study are consistent with those of previous researchers who reported that
group-based exercises targeting balance can actually improve balance among older adults.
However, to our knowledge, this is the first study to demonstrate that intervention effects on
balance are possible when the intervention is managed by community organizations and when
participants register because they are concerned about their balance or worried about falls.
The strength of the study is that the ten intervention organizations represented a broad range of
enviro.
A researcher is studying the mean weight of a killer whale. She coll.pdf
A researcher is studying the mean weight of a killer whale. She collects sample data and
computes a confidence interval. Using the same data, she decides to increase the confidence level
and creates a new confidence interval. What happens to the confidence interval?
A.
It gets narrower.
B.
It stays the same.
C.
Impossible to determine without the numbers.
D.
It gets wider.
Solution
increase the confidence level, increase the wider of the confidence interval
Answer: D It gets wider..
Date Due Feb 8. 2017 Students Name Please name and fill in t.pdf
Date Due: Feb 8. 2017 Students Name Please name and fill in the stages of cell cycle fram a
mitotic mother celi (Figure Please identify the cells at various stages of cell cycle (Figure 2).
Mark where the cell plate should be Jocated At what stage are the sister chromatids made? At
what stage are the sister chromalids separated?
Solution
Cell division is the process by which cell divides in two cells commonly known as daughter
cells. The whole processes of cell division is divided into 4 phases viz; G1 phase, S pahse, G2
phase, M phase and Interphase. The duplicaton of spindle fibres and DNA replication mark the
begining of cell division. All theses processes is carried out in G1 and S phase. The sister
choromatids are synthesized in S phase ( second phase of interphase). These sister chromatids
held together by cohesins proteins, gets separated during anaphase stage of the cell cycle. The
main factor responsible is the degradation of cohesins proteins is separase enzymes.
Compare and contrast passive transport and active transport Compare .pdf
Compare and contrast passive transport and active transport Compare and contrast animal cells
and plant cells. Summarize the endosymbiosis theory including the evidence that supports it.
Solution
Differences
1. Passive transport : It doesn\'t require energy (ATP),
2. Active transport : it does require energy( ATP).
3. Passive transport: this moves molecules WITH the concentration gradient (high to low),
4. active transport: this moves molecules AGAINST the concentration gradient (Low to
High).
================================
Similarities
1. They (active and passive ) both allow the cell to maintain homeostasis
2. They maintain an equilibrium of substances in and out of the cell.
3. They both involve movement of ions across the plasma membrane.
ANIMAL CELL AND PLANT CELL
Animal cell
Plant cell
Cell wall
Absent
Rigid cell wall
Shape
irregular shape round
fixed shape
Centrioles
Present in all animal cells
absent
Chloroplast
Chloroplasts absent
present
lysosomes
present
absent
Nucleus
present
present
Golgi apparatus
present
present
Microtubules/ Microfilaments
present
present
Endoplasmic Reticulum
present
present
=======================================================
Endosymbiotic Theory: It was initially proposed by previous Boston University Biologist Lynn
Margulis in the 1960\'s and authoritatively in her 1981 book \"Advantageous interaction in Cell
Evolution\". Albeit now acknowledged as a very much upheld hypothesis, both she and the
hypothesis were criticized by standard scholars for various years.
hypothesis originally recommended that:
Animal cell
Plant cell
Cell wall
Absent
Rigid cell wall
Shape
irregular shape round
fixed shape
Centrioles
Present in all animal cells
absent
Chloroplast
Chloroplasts absent
present
lysosomes
present
absent
Nucleus
present
present
Golgi apparatus
present
present
Microtubules/ Microfilaments
present
present
Endoplasmic Reticulum
present
present.
42. What does a coefficient of correlation of 0.70 infer A) Almost .pdf
42. What does a coefficient of correlation of 0.70 infer? A) Almost no correlation because 0.70 is
close to 1.0 B) 70% of the variation in one variable is explained by the other C) Coefficient of
determination is 0.49 D) Coefficient of nondetermination is 0.30 E) None of the above
Solution
B) 70% of the variation in one variable is explained by the other.
4. On an illegal wolf ranch in Wyoming, gray wolves are bred and sol.pdf
4. On an illegal wolf ranch in Wyoming, gray wolves are bred and sold illegally. A mutation was
identified, generating a beautiful gray “speckled” coat color. The speckled wolves were
particularly popular with buyers. The breeders struggled to keep up with demand. They noticed
that when two speckled wolves were bred, their pups always contained some normal gray and
some speckled gray pups. In one typical season of interbreeding the speckled wolves, they
cumulatively generated 82 speckled and 38 gray pups. A. Use appropriate genetic symbols and
give the genotype of a speckled wolf. (2 points) B. State a clear genetic explanation for the
pattern illustrated
Solution
Merle is a pattern gene like the piebald gene and not a color gene.
The effect of the merle gene is to change the base coat colorcausing lighter patches resulting in a
speckled or mottled appearance to the base coat color. It may also affect the dark pigments of
eyes and nose and it can occur with any color.
The merle gene is not a dilution gene which dilutes the entire base coat color.
A. Inheritance of Merle gene: Merle gene is dominant to non-merle (solid base coat). We know
that dominant genes signified by a capital letters mask the effect of recessive genes signified by
lowercase letters.
Merle is signified by a capital M and non-merle by a lowercase m. A merle wolf only needs one
merle gene (because it is dominant) to exhibit the merle pattern. The genotype of merle wolf
would be written as Mm (heterozygous). A non-merle wolf would carry no merle genes and thus
would “genetically” be mm. The major problems occur when two merle Mm are bred together.
Mm (merle) × Mm (merle)
M
m
M
MM
Mm
m
Mm
m
MM (homozygous) is double merle wolf.
B. When two merle wolves (Mm) are bred together there is a 25% chance that they will produce
a double merle wolves (‘lethal white’ MM) – a wolf that has two copies of the merle gene. The
health consequences of these wolves vary from mild to severe. Some wolves may be born deaf,
some born blind and some born deaf and blind.
M
M
M
MM
MM
m
Mm
Mm
M
m
M
MM
Mm
m
Mm
m.
Use the given information to find the values of sin 2theta. cos2theta.pdf
Use the given information to find the values of sin 2theta. cos2theta. and tan 2theta. Sin theta =
-15/17; The terminal side of theta lies in quadrant III.sin 2theta = (Simplify sour answer,
including any radicals. Use integers or fractions for any numbers in the expression) cos2theta =
Square (Simplify sour answer, including any radicals. Use integers or fractions for any numbers
in the expression) tan 2 theta =Square (Simplify sour answer, including any radicals. Use
integers or fractions for any numbers in the expression)
Solution
sin = -15/17 is in QIII
now by sin^2 +cos^2 =1
cos^2 = 1- (-15/17)^2
cos = -8/17
so now sin2 =2sin.cos
= 2(-15/17) .(-8/17)
= 240/289
cos2 =cos^2 -sin^2
= (-8/17)^2 - (-15/17)^2
=64/289 - 225/289
= -161/289
tan(2) = sin2/cos = 240/-161
= -240/161.
What is the command to transfer the file stored in ~lab3README fro.pdf
What is the command to transfer the file stored in ~/lab3/README from your CSE 15L account
to the same directory on your current computer. Use your cs15x account.
my cs15x account is cs15xww
Solution
Secure Copy (scp)
scp allows files to be copied to, from, or between different hosts. It uses ssh for data transfer and
provides the same authentication and same level of security as ssh.
The basic syntax of scp is
-r is uesd to copy an entire directory from one host to another and specify the directory
This copies the folder README from a remote host to the local host.
2.51. Why does earth have seasons2. What is the origin of the t.pdf
2.5
1. Why does earth have seasons?
2. What is the origin of the term Equinox?
3. What is the orgin of the term Solstice?
4. Most people in the US think the seasons are caused by changing distance between the Eart and
the Son. Why do you think this is?
5. What type of seasons would the Earth have if its spin axis was in the plane of its orbit?
6. What type of seasons would the Earth have if its spin axis was exactly perpendicular to its
orbital plane?
7. What do you think would happen if the Earth\'s spin axis wobbled randomly around on a
monthly basis?
8. What does the term latitude mean?
9. What is meant by the term Equator?
10. What is an ellipse?
11. What are meant by the terms perihelion and aphelion?
12. If it is summer in Australia, what season is it in New Mexico?
Solution
1 question at a time:
2.5.1
We have seasons because the earth is tilted (wonky) as it makes its yearly journey around the
sun. TheEarth\'s axis is tilted at an angle of 23.5 degrees. This means that the Earth is always
\"pointing\" to one side as it goes around the Sun..
Write the product as a sum or difference. Write the product as a sum.pdf
Write the product as a sum or difference. Write the product as a sum or difference. sin x/7 cos
8x/7
Solution
sin(x/7)cos(8x/7)
sinA - sinB=2cos(A+B)/2 sin(A-B)/2
1/2(sinA -sinB)= sin(A-B)/2 cos (A+B)/2
comparing the given expression with the above formula we get
A-B/2=x/7 and A+B/2=8x/7
A-B=2x/7 and A+B= 16x/7
A=9x/7 and B = x
Therefore the required expression is
sin(9x/7)/2 -sinx/2.
Which osmotic and ionic strategies must marine teleost fishes employ.pdf
Which osmotic and ionic strategies must marine teleost fishes employ?
Solution
marine teleost fish shows the hypoosmotic regulation. they actively take ions into their blood
streams. the water is lost from the body by osmosis and sodium is uptake by diffusion. thus,
Marine-(b) Actively uptake water.
What types of social and culture trends affect REISolution1. .pdf
What types of social and culture trends affect REI?
Solution
1. Social and cultural trends affect a community’s behavior and create greater demand for
various types of products. For example, many communities are aware of stresses to the
ecosystem caused by population demands, pollution and other factors. This awareness
encourages many to engage in what has heretofore been considered only recreational activities
such as walking and cycling. These are activities that are now being taken up as a means or
relieving traffic problems or addressing air quality issues. This has increased the demand for
high quality footwear or city-friendly bicycles.
2. Social and cultural trends also affect the average retirement age and how older persons are
spending their retirement. Advances in medicine have greatly improved the quality of life for
retirees. Also, social attitudes have changed as people accept that retirement is not simply the
time when a person who has worked hard all their life now sits and waits to die. Retirees are
more active than ever before, and they enjoy more disposable income as they have invested and
saved toward retirement. This trend means that an heretofore untapped market catering to the
older person or the retiree is opened up..
Which of the following are in the order Primates (Multiple answers).pdf
Which of the following are in the order Primates? (Multiple answers)
Tarsians
Lemurs
Gorillas
Lorises
Solution
Answer: All the mentioned (Tarsians, Lemurs, Gorillas & Lorises) animals come under the order
primates.
The primates include the most familiar of the placental mammals, as the order includes Homo
sapiens. Primates also include familiar animals, such as the chimpanzees, gorillas, and monkeys,
as well as the somewhat less familiar lemurs, lorises.
Some researchers prefer an alternate classification that divides the primates into 2 suborders:
Prosimii (lemurs, lorises, and tarsiers) and Anthropoidea (monkeys, apes, and humans)..
What are the issues and benefits of employing older workers Wh.pdf
What are the issues and benefits of employing older workers?
What are the issues and benefits of employing older workers?
Solution
Employing older workers has several benefits because of following factors :
They bring experience along with them. They weere already tested in past. More confident and
mature in approach. They older workers are more organized and honest.
On the other side, having an older workers means, they might be technologically outdated. They
might have health problems. Higher wages due to experience..
What is current I1What is current I2What is current I3 14 V 1.pdf
What is current I1?
What is current I2?
What is current I3? 14 V 10 13 4 12V 14 Dr. Birdwell asks that you solve for the currents as
shown. If the actual current is in the opposite direction as shown, specify it as a negative current.
EXAMPLE
Solution
Let potential at A and C =X
let potential at D=Y
and at B=14 V
(X-14)=I4x6
0-X=I2x10
X-Y=12xI5
Y-12-X=4xI1
I4+I5=I1+I2
((X-14)/6)+((X-Y)/12)=((Y-12-X)/4)+(-X/10)
(6X/10)-(Y/3)=-2/3
Y-14=14xI3
I3=I2-I4
((Y-14)/14)=(-X/10)-((X-14)/6)
(Y/14)+(4X/15)=10/3
(6X/10)-(Y/3)=-2/3
X=1340/166
Y=1372/83
I1=((Y-12-X)/4)=-0.8855 A
I2=(-X/10)=-0.8072A
I3=((Y-14)/14)=0.1807A.
Use your thoughts about the essay, , and your own reflections on y.pdf
Use your thoughts about the essay, , and your own reflections on your current and past
relationship with Nature
1- Describe your relationship with the natural world. Give some serious thought to what Nature
means and has meant to your life. Reflect on these questions:
2 -Do you think of yourself more apart from or more a part of Nature?
3- How connected do you feel the non-human occupants (i.e., animals, plants, organisms big and
small) of Earth,?
4- To what degree do you relate your existence to theirs?
5 -When you hear the word “wilderness,” what associations do you make or feelings does it
provoke in your mind?
6 -Do you hold value in far-off, wild places even though you will likely never physically
experience them?
7 - What value does Horse Lick Creek hold for Barbara Kingsolver? Do you have a natural place
that provides a similar benefit to you? If not, do you still appreciate the value such a place could
provide and why it is important to protect such places?
-The daughter of a doctor who would accept home-grown vegetables from patients too poor to
pay in cash, Kingsolver was born in Annapolis, Maryland, and grew up in Nicholas County,
Kentucky, a rural area where most people earned a subsistence income by farming. She earned
degrees in biology from DePauw University and the University of Arizona, and has worked as a
freelance writer and author since 1985.
This is the kind of April morning no other month can touch: a world tinted in watercolor pastels
of redbud, dogtooth violet, and gentle rain. The trees are begin ning to shrug off winter; the dark,
leggy maple woods are shot through with gleam ing constellations of white dogwood blossoms.
The road winds through deep forest near Cumberland Falls, Kentucky, carrying us across the
Cumberland Plateau toward Horse Lick Creek. Camille is quiet beside me in the front seat, until
at last she sighs and says, with a child\'s poetic logic, “This reminds me of the place I always like
to think about.”
Me too, I tell her. It’s the exact truth. I grew up roaming wooded hollows like these, though they
were more hemmed-in, keeping their secrets between the wide-open cattle pastures and tobacco
fields of Nicholas County, Kentucky. My brother and sister and I would hoist cane fishing poles
over our shoulders, as if we intended to make ourselves useful, and head out to spend a Saturday
doing nothing of the kind. We haunted places we called the Crawdad Creek, the Downy Woods
(for downy woodpeckers and also for milkweed fluff), and—thrillingly, because we’d once
found big bones there—Dead Horse Draw. We caught crawfish with nothing but patience and
our hands, boiled them, with wild onions over a campfire, and ate them and declared them the
best food on earth. We collected banana-scented pawpaw fruits, and were tempted by fleshy,
fawn-colored mushrooms but left those alone. We watched birds whose names we didn’t know
build nests in trees whose names we generally did. We witnessed the unfurling of hickory an.
12-1 Group Work Preliminary and Program Development ResearchPurp.pdf
12-1: Group Work: Preliminary and Program Development Research
Purpose
To assess your ability to:
Determine the role of research in health education and health promotion.
Distinguish the four phases, based on research, in the design of health promotions programs.
Discuss some typologies of research, relating to the type of data, research styles, and research
approach.
Action Items
In this assignment, you will conduct preliminary research to identify behavioral and
environmental factors contributing to a health problem of your choice, as well as relevant
stakeholders.
This is what you will do:
Select a health problem of your choice
Select at least three of the following techniques:
Epidemiological data
Formal and informal interviews with key informants
Group sessions
Focus group interviews
Questionnaires
Rapid participatory appraisal technique
Use the techniques you have selected to collect data on behavioral and environmental factors
contributing to the health problem you chose, as well as relevant stakeholders.
Write a report that includes the health problem, techniques, and findings.
Submit your report and be prepared to share it with your classmates.
Submission Instructions
Complete and submit this assignment per your professor\'s instructions.
phc-112 health education and promotion / please i need the answer very quickl
Introduction
The focus this week is the role of research in health promotion. We will consider the four phases
of research in the design of health promotions programs. These are: preliminary research,
program development research, monitoring, and evaluation. Preliminary research focuses on
diagnosis of the existing situation, the environmental and behavioral causes of health problems
and the determinants of these causes. Program development research facilitates the development
of programs and action plans. Monitoring aims to examine the ways in which programs are
implemented, including the processes of participation and collaboration, in order to keep track of
and/or improve the program. Evaluation involves a review of the results achieved in the program
in terms of its effectiveness, efficiency and validity.
We will also consider the types and styles of research. Types of research include qualitative and
quantitative. Some common research styles discussed in your textbook include experimental,
survey, documentary-historical, and field study. During a group project this week, you will have
an opportunity to conduct preliminary research to identify behavioral and environmental factors
contributing to a health problem.
Solution
- since you did not clarified for which specific question you need answer so am starting off
according to my understanding ;
° Preliminary research to identify behavioural and environmental problems affecting our health :-
~ preliminary research demonstrates the health benefits of sustainable communities. However,
the impact of mediating and moderating factors within the built environment on health mu.
This homework consists of 8 problems. The first 7ask that .pdf
\'\'\'
This homework consists of 8 problems. The first 7
ask that you fill in a blank in the code below. The
last problem asked you to draw some conclusions from
the data generated.
You should submit this .py file with the blanks filled
in. Problem 8 should be answered as a triple quoted
comment after the code.
\'\'\'
\'\'\'
Type your name here
\'\'\'
# The Bells
# Edgar Allen Poe
theBells = \'\'\'
HEAR the sledges with the bells,
Silver bells!
What a world of merriment their melody foretells!
How they tinkle, tinkle, tinkle,
In the icy air of night!
While the stars, that oversprinkle
All the heavens, seem to twinkle
With a crystalline delight;
Keeping time, time, time,
In a sort of Runic rhyme,
To the tintinnabulation that so musically wells
From the bells, bells, bells, bells,
Bells, bells, bells—
From the jingling and the tinkling of the bells.
Hear the mellow wedding bells,
Golden bells!
What a world of happiness their harmony foretells!
Through the balmy air of night
How they ring out their delight!
From the molten-golden notes,
And all in tune,
What a liquid ditty floats
To the turtle-dove that listens, while she gloats
On the moon!
Oh, from out the sounding cells,
What a gush of euphony voluminously wells!
How it swells!
How it dwells
On the Future! how it tells
Of the rapture that impels
To the swinging and the ringing
Of the bells, bells, bells,
Of the bells, bells, bells, bells,
Bells, bells, bells—
To the rhyming and the chiming of the bells!
Hear the loud alarum bells,
Brazen bells!
What a tale of terror, now, their turbulency tells!
In the startled ear of night
How they scream out their affright!
Too much horrified to speak,
They can only shriek, shriek,
Out of tune,
In a clamorous appealing to the mercy of the fire,
In a mad expostulation with the deaf and frantic fire,
Leaping higher, higher, higher,
With a desperate desire,
And a resolute endeavor
Now—now to sit or never,
By the side of the pale-faced moon.
Oh, the bells, bells, bells!
What a tale their terror tells
Of Despair!
How they clang, and clash, and roar!
What a horror they outpour
On the bosom of the palpitating air!
Yet the ear it fully knows,
By the twanging
And the clanging,
How the danger ebbs and flows;
Yet the ear distinctly tells,
In the jangling
And the wrangling,
How the danger sinks and swells,—
By the sinking or the swelling in the anger of the bells,
Of the bells,
Of the bells, bells, bells, bells,
Bells, bells, bells—
In the clamor and the clangor of the bells!
Hear the tolling of the bells,
Iron bells!
What a world of solemn thought their monody compels!
In the silence of the night
How we shiver with affright
At the melancholy menace of their tone!
For every sound that floats
From the rust within their throats
Is a groan.
And the people—ah, the people,
They that dwell up in the steeple,
All alone,
And who tolling, tolling, tolling,
In that muffled monotone,
Feel a glory in so rolling
On the human heart a stone—
They are neither man nor woman,
They are n.
this is verilog HDL classWhat are the basic components of a module.pdf
this is verilog HDL class
What are the basic components of a module? Which components are mandatory?
Solution
1) Module Name, Port List, Port Declarations, Parameters, Declarations of wires, regs and other
variables, Data flow statements, Instantiation of lower level modules, always and initial blocks,
Tasks and functions, endmodule statement.
2) module, module name,and endmodule..
The Hox genes are responsible for determining the anterior-posterior.pdf
The Hox genes are responsible for determining the anterior-posterior identity of body regions
(segments) in the developing insect embryo. Different Hox genes are turned on (expressed) in
different segments of the body, and in this way they determine which segments become head and
which thorax, which develop legs and which antennas. One surprising thing about the Hox genes
is that they usually occur in a row on the same chromosome and in the same order as the body
regions that they control. For example, the fruit fly Drosophila Melanogaster has eight Hox
genes located on a chromosome in exactly the same order as the body regions in which they are
expressed, from head to tail. If the eight genes were thrown randomly onto the same
chromosome, what is the probability that they would line up in the same order as the segments in
which they expressed?
Solution
This is a permutations problem, where you can think of each Hox gene being \"chosen\" for a
\"slot\" in the chromosome has its own probability. Contrast this to combinations problems,
where order does NOT matter. Here\'s the formula for the number of possible permutations:
P = n! / (n-k)! where n = the pool of genes, and k = the number of genes we\'re pulling out. There
are 8 genes we\'re working with, and we\'re putting them all in a chromosome. So the number of
permutations is:
P = 8! / (8-8)! = 8! / 0! = 8!/1 = 8*7*6*5*4*3*2*1 = 40320 different permutations.
So, that\'s how many different ways these genes can be chaotically and randomly oriented. But
we want them in a very specific order - one after the next, specifying a position for each and
every gene. Normally in permutations problems, you\'d have some leeway with how many
different ways the proposed sequence can be achieved (e.g. drawing a red then blue marble,
when there are 20 red marbles and 10 blue marbles). But in our case, this number is 1, because
there\'s only one way to achieve our proposed sequence. Therefore, the probability is 1/40320, or
0.0025% (about a 400th of a percent). Notice that this has logical implications for the function of
these Hox genes; they were probably slowly built off one another in an evolutionary sequence as
opposed to randomly falling into place. An organism with a mutation in their Hox genes will
have grotesque limb abberations - an example is a Drosophila mutant with a leg coming out of its
head..
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JAVACountOccurrenceOfWords.javaYour program should take a text f.pdf
- 1. JAVA CountOccurrenceOfWords.java Your program should take a text file name as a command line argument. It should read the file and print the number of times the most-used word appears and, in ascending order, the words that occur most frequently. Ignore case when processing the words in the file. Your program may ignore punctuation. For example, if the file contained The program's output should be Words that appear 2 times: and are dachshunds dogs Solution //CountOccurrenceOfWords.java import java.io.BufferedReader; import java.io.FileNotFoundException; import java.io.FileReader; import java.io.IOException; import java.util.Map; import java.util.Set; import java.util.TreeMap; import java.util.ArrayList; import java.util.*; public class CountOccurrenceOfWords { public static void main(String[] file) throws FileNotFoundException, IOException { if (file.length == 0) { System.out.println("Usage: java CountOccurrenceOfWords targetfile"); System.exit(0); } BufferedReader br = null; br = new BufferedReader(new FileReader(file[0])); String text = null; TreeMap treemap = new TreeMap();
- 2. try {output while ((text = br.readLine()) != null) { String[] line = text.split("[ t .,;:!?(){}]"); for (int count = 0; count < line.length; count++) { String key = line[count].toLowerCase(); if (key.length() > 0) { if (treemap.get(key) == null) { treemap.put(key, 1); } else { int value = treemap.get(key).intValue(); value++; treemap.put(key, value); } } } } Set> entrySet = treemap.entrySet(); int max = 0; for (Map.Entry entry : entrySet) { if(entry.getValue() > max) max = entry.getValue(); } // create an empty array list with an initial capacity ArrayList maxFrequencyList = new ArrayList(100); for (Map.Entry entry : entrySet) {
- 3. if(max == entry.getValue()) maxFrequencyList.add(entry.getKey()); } // sort maximum frequncy list Collections.sort(maxFrequencyList); System.out.print("Words that appear " + max + " times are: "); for (String word : maxFrequencyList) { System.out.print(word + ", "); } System.out.println(); } catch (IOException error) { System.out.println("Invalid File"); } finally { br.close(); } } } /* output: Words that appear 2 times are: and, are, dachshunds, dogs, */