I am constantly getting errors and cannot figure this out. Please he.pdf
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I am constantly getting errors and cannot figure this out. Please help! THIS IS TO BE DONE IN JAVA (MathTutor) Write a program that displays a menu as shown in the sample run. You can enter 1, 2, 3, or 4 for choosing an addition, subtraction, multiplication, or division test. After a test is finished, the menu is redisplayed. You may choose another test or enter 5 to exit the system. Each test generates two random single-digit numbers to form a question for addition, subtraction, multiplication, or division. For a subtraction such as number1 number2, number1 is greater than or equal to number2. For a division question such as number1 / number2, number2 is not zero. I have enclose the program below and also in D2L, what you are required to do is to include exception handler that deals with nonnumeric operands, ArithemeticException and any others you think is required by this program. Main menu 1: Addition 2: Subtraction 3: Multiplication 4: Division 5: Exit Enter a choice: 1 What is 1 + 7? 8 Correct Main menu 1: Addition 2: Subtraction 3: Multiplication 4: Division 5: Exit Enter a choice: 1 What is 4 + 0? 5 Your answer is wrong. The correct answer is 4 Main menu 1: Addition 2: Subtraction 3: Multiplication 4: Division 5: Exit Enter a choice: 4 What is 4 / 5? 1 Your answer is wrong. The correct answer is 0.8 Main menu 1: Addition 2: Subtraction 3: Multiplication 4: Division 5: Exit Enter a choice: import java.util.Scanner; import java.text.DecimalFormat; public class MathTutor { public static void main(String[] args) { Scanner input = new Scanner(System.in); System.out.println("Main menu"); System.out.println("1: Addition"); System.out.println("2: Subtraction"); System.out.println("3: Multiplication"); System.out.println("4: Division"); System.out.println("5: Exit"); int userChoice = 0; System.out.println("Enter a choice:"); userChoice = input.nextInt(); while (userChoice != 5) { int firstNum = (int)(Math.random() * 10); int secondNum = (int)(Math.random() * 10); switch (userChoice) { case 1: int adding = firstNum + secondNum; System.out.println(firstNum +" + "+secondNum+"?"); int addingInput = input.nextInt(); if (addingInput == adding) System.out.println("correct"); else System.out.println("Your answer is wrong. The correct answer is "+ adding); break; case 2: int sub = firstNum - secondNum; System.out.println(firstNum +" - "+secondNum+"?"); int subInput = input.nextInt(); if (subInput == sub) System.out.println("correct"); else System.out.println("Your answer is wrong. The correct answer is "+ sub); break; case 3: int mult = firstNum * secondNum; System.out.println(firstNum +" * "+secondNum+"?"); int multInput = input.nextInt(); if (multInput == mult) System.out.println("correct"); else System.out.println("Your answer is wrong. The correct answer is "+ mult); break; case 4: while (secondNum == 0){ // to make sure the bottom number is never zero secondNum = (int)Math.round((Math.random()*10)); }; double div = firstNum / secondNum; System.out..
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![5: Exit
Enter a choice: 4
What is 4 / 5? 1
Your answer is wrong. The correct answer is 0.8
Main menu
1: Addition
2: Subtraction
3: Multiplication
4: Division
5: Exit
Enter a choice:
import java.util.Scanner;
import java.text.DecimalFormat;
public class MathTutor { public static void main(String[] args) {
Scanner input = new Scanner(System.in);
System.out.println("Main menu");
System.out.println("1: Addition");
System.out.println("2: Subtraction");
System.out.println("3: Multiplication");
System.out.println("4: Division");
System.out.println("5: Exit");
int userChoice = 0;
System.out.println("Enter a choice:");
userChoice = input.nextInt();
while (userChoice != 5) {
int firstNum = (int)(Math.random() * 10);
int secondNum = (int)(Math.random() * 10);
switch (userChoice) {
case 1:
int adding = firstNum + secondNum;
System.out.println(firstNum +" + "+secondNum+"?");
int addingInput = input.nextInt();
if (addingInput == adding) System.out.println("correct");](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)
Recommended
(I'm trying to make a menu that repeats unless you enter 4- How do I g.pdf
(I'm trying to make a menu that repeats unless you enter 4. How do I get this to repeat the
printMenu()Method that prints the options and keeps repeating options until you hit exit #4?)
public class Main { public static void main(String[] args) { Scanner input = new
Scanner(System.in); printMenu(); int x = input.nextInt(); if ( x == 1) countPunctuation(); if ( x
== 2) charactertoBinary(); if ( x == 3) binaryToCharacter(); if (x == 4) System.out.print("You
have chosen Exit. Goodbye"); if (x > 4) System.out.print("Error"); printMenu(); if (x < 1)
System.out.print("Error"); } // Create first Method. Print Menu*** public static void
printMenu(){ String newline = System.getProperty("line.separator"); System.out.print("Enter '1'
to count punctuation symbols in a String." + newline + "Enter '2' to convert characters to binary."
+ newline + "Enter '3' to convert 8-bit binary to a character." + newline + "Enter '4' to
exit."+newline +"Enter option:"); }.
Practice
The document describes the step-by-step process of developing a number guessing game in Java. It begins with creating the main class and function, then generates a random secret number. It continues by getting a user guess as input and checking if it matches the secret number, adding a loop to allow multiple guesses. Finally, it removes debugging code to complete the game.
Im having an issue with the simulateOPT() methodthis is the p.pdf
I'm having an issue with the simulateOPT() method
this is the purpose:
this is my code:
import java.util.Scanner;
public class Main {
private static int n;
private static int[] referenceString;
private static int[] physicalFrames;
private static int[] victimPages;
private static int pageFaults;
public static void main(String[] args) {
Scanner input = new Scanner(System.in);
int choice;
do {
System.out.println("0 - Exit");
System.out.println("1 - Input N");
System.out.println("2 - Input the reference string");
System.out.println("3 - Simulate the OPT algorithm");
System.out.println("4 - Simulate the NEW algorithm");
System.out.print("Select option: ");
choice = input.nextInt();
switch (choice) {
case 0:
System.out.println("Exiting the program...");
break;
case 1:
System.out.print("Enter the value of N (2-8): ");
n = input.nextInt();
if (n < 2 || n > 8) {
System.out.println("Invalid value of N!");
n = 0;
} else {
physicalFrames = new int[n];
victimPages = new int[n];
System.out.println("N set to " + n + ".");
}
break;
case 2:
if (n == 0) {
System.out.println("Please enter the value of N first!");
} else {
System.out.print("Enter the reference string (length at least " + n + ", max length 20): ");
String[] strArr = input.next().split("");
int len = strArr.length;
if (len < n || len > 20) {
System.out.println("Invalid length of reference string!");
} else {
referenceString = new int[len];
for (int i = 0; i < len; i++) {
int page = Integer.parseInt(strArr[i]);
if (page < 0 || page > 9) {
System.out.println("Invalid page number!");
referenceString = null;
break;
}
referenceString[i] = page;
}
if (referenceString != null) {
System.out.println("Reference string set to " + String.join("", strArr) + ".");
}
}
}
break;
case 3:
if (n == 0) {
System.out.println("Please enter the value of N first!");
} else if (referenceString == null) {
System.out.println("Please enter the reference string first!");
} else {
System.out.println("Simulating the OPT algorithm...");
simulateOPT();
}
break;
case 4:
if (n == 0) {
System.out.println("Please enter the value of N first!");
} else if (referenceString == null) {
System.out.println("Please enter the reference string first!");
} else {
System.out.println("Simulating the NEW algorithm...");
simulateNEW();
}
break;
default:
System.out.println("Invalid choice!");
break;
}
System.out.println();
} while (choice != 0);
}
private static void simulateOPT() {
pageFaults = 0;
int len = referenceString.length;
System.out.println("Reference String\tPhysical Frames\tPage Faults\tVictim Pages");
for (int i = 0; i < len; i++) {
int page = referenceString[i];
boolean found = false;
for (int j = 0; j < n; j++) {
if (physicalFrames[j] == page) {
found = true;
break;
}
}
if (!found) {
pageFaults++;
int maxDist = 0;
int victimPage = -1;
for (int j = 0; j < n; j++) {
int dist = 0;
for (int k = i + 1; k < len; k++) {
dist++;
if (physicalFrames[j] == referenceString[k]) {
break;
}
}
if (dist > maxDist) {
maxDist = dist;
victimPage = j;
}
}
.
Java_Programming_by_Example_6th_Edition.pdf
This document contains code snippets and explanations related to Java programming concepts like classes, objects, methods, conditionals, loops, and arrays. It begins with simple examples of printing text and using methods. It then covers more complex topics like defining classes with fields and methods, if/else and switch conditional statements, for, while, and do-while loops, parsing user input, and creating and accessing objects. The document appears to be notes or exercises for learning Java programming fundamentals through worked examples and explanations.
Create a menu-driven program that will accept a collection of non-ne.pdf
Create a menu-driven program that will accept a collection of non-negative integers from the
keyboard, calculate the mean and median values and display those values on the screen. Your
menu should have 6 options: 1. Add a number to the array 2. Display the mean 3. Display the
median 4. Print the array to the screen 5. Print the array in reverse order 6. Quit
Program particulars: Use an array of type int to store the integers entered by the user. There
must be error checking on the input integer. If it is negative, the program will print an error
message and re-prompt. This process will continue until a non-negative integer is entered. You
must use a try-catch structure to trap both types of input errors (like letters where numbers
should go) and range errors (like -1). You must write your own selectionSort utility method to
sort your array. Place the method in an external file named SortSearchUtil.java. There must be
error checking on the menu choice entered. If the user enters a choice not on the menu, the
program will print an error message, re-display the menu and re-prompt. This process will
continue until a valid option value is entered. Your solution must be modular. The design of your
methods is up to you, but the rules of “highly cohesive” and “loosely coupled” must be followed.
Your program should be well-documented. Explain what you’re doing in your code. Be sure to
include the usual name and assignment notes. Note your program will have to sort your array
before you can find the median. Include your SortSearchUtil.java file which will contain your
sort method.
This is what my project looks like already: Please fix it thanks. The SortSearchUtil will also be
included.
import java.util.Scanner;
public class ArraySorting
{
public static void main(String[] args)
{
int option;
int integer = 0;
int optionOne;
int optionTwo;
int optionThree;
int optionFour;
int optionFive;
int[] numbers = new int[5];
Scanner kb = new Scanner(System.in);
System.out.println(\"Please enter a non-negative integer: \");
integer = kb.nextInt();
while((integer < 0))
{
System.out.println(\"I am sorry that is not a non-negative integer.\");
System.out.println(\"\");
System.out.println(\"Please enter a non-negative integer: \");
integer = kb.nextInt();
}
option = displayMenu(kb);
while (option != 6)
{
switch (option)
{
case 1:
optionOne(numbers);
System.out.println(\"\");
break;
case 2:
optionTwo(numbers);
System.out.println(\"\");
case 3:
//optionThree();
System.out.println(\"\");
break;
case 4:
//optionFour();
System.out.println(\"\");
break;
case 5:
//optionFive();
System.out.println(\"\");
break;
}
option = displayMenu(kb);
}
if (option == 6)
{
System.out.println();
System.out.println(\"Thank you. Have a nice day.\");
}
}
private static int displayMenu(Scanner kb)
{
int option = 0;
while (option != 1 && option != 2 && option != 3 && option != 4 && option !=5 && option
!=6)
{
System.out.println(\"\\t\\t1. Add a number to the array\ \\t\\t2. Display the mean\ \\t\.
Modify before asshignment so that we can check input errors, etc.. P.pdf
Modify before asshignment so that we can check input errors, etc.. Please refer to the following
Java code.
You should add switch, run your programing untill you choose figure==0 (using while loop),
cheak input error.
import java.util.*;
public class AreaTestt {
public static void main (String[] args)
{
int choice1 = menu(1);
int choice2 = menu(2)
}
// get user choice
public static int menu(int n)
{
int choice = 0;
Scanner scanner = new Scanner(System.in);
if(n == 1)
{
System.out.print(\"Information for figure 1: Type 1) rectangle 2) triangle 3) circle: \");
choice = scanner.nextInt();
}
else if(n == 2)
{
System.out.print(\"Information for figure 2: Type 1) rectangle 2) triangle 3) circle: \");
choice = scanner.nextInt();
}
return choice;
}
}
Solution
import java.util.*;
public class AreaTestt {
public static void main(String[] args) {
menu();
}
// get user choice
public static void menu() {
int choice = 0;
Scanner scanner = new Scanner(System.in);
do {
choice = scanner.nextInt();
switch (choice) {
case 1:
System.out
.print(\"Information for figure 1: Type 1) rectangle 2) triangle 3) circle: \");
break;
case 2:
System.out
.print(\"Information for figure 2: Type 1) rectangle 2) triangle 3) circle: \");
break;
default:
break;
}
} while (choice != 0);
}
}
OUTPUT:
2
Information for figure 2: Type 1) rectangle 2) triangle 3) circle: 3
1
Information for figure 1: Type 1) rectangle 2) triangle 3) circle: 0.
ch05-program-logic-indefinite-loops.ppt
The document discusses different types of loops in Java including while loops, do-while loops, and indefinite loops using sentinels. It provides examples of using random numbers and boolean return values from methods to implement program logic within loops. Key concepts covered include fencepost problems, random number generation, and using boolean values to represent logical tests.
Example of JAVA Program
This Java program allows a user to perform arithmetic operations and generate random numbers on arrays of double values. The user is presented with a menu to choose between adding, subtracting, multiplying, dividing, dot product, or generating a random array. For each operation, the user can enter size of the arrays and values. The program then performs the selected operation and displays the results. It includes error handling for cases like dividing by zero. Methods are defined to get user input, perform the operations, and generate random numbers within a given range.
Recommended
(I'm trying to make a menu that repeats unless you enter 4- How do I g.pdf
(I'm trying to make a menu that repeats unless you enter 4. How do I get this to repeat the
printMenu()Method that prints the options and keeps repeating options until you hit exit #4?)
public class Main { public static void main(String[] args) { Scanner input = new
Scanner(System.in); printMenu(); int x = input.nextInt(); if ( x == 1) countPunctuation(); if ( x
== 2) charactertoBinary(); if ( x == 3) binaryToCharacter(); if (x == 4) System.out.print("You
have chosen Exit. Goodbye"); if (x > 4) System.out.print("Error"); printMenu(); if (x < 1)
System.out.print("Error"); } // Create first Method. Print Menu*** public static void
printMenu(){ String newline = System.getProperty("line.separator"); System.out.print("Enter '1'
to count punctuation symbols in a String." + newline + "Enter '2' to convert characters to binary."
+ newline + "Enter '3' to convert 8-bit binary to a character." + newline + "Enter '4' to
exit."+newline +"Enter option:"); }.
Practice
The document describes the step-by-step process of developing a number guessing game in Java. It begins with creating the main class and function, then generates a random secret number. It continues by getting a user guess as input and checking if it matches the secret number, adding a loop to allow multiple guesses. Finally, it removes debugging code to complete the game.
Im having an issue with the simulateOPT() methodthis is the p.pdf
I'm having an issue with the simulateOPT() method
this is the purpose:
this is my code:
import java.util.Scanner;
public class Main {
private static int n;
private static int[] referenceString;
private static int[] physicalFrames;
private static int[] victimPages;
private static int pageFaults;
public static void main(String[] args) {
Scanner input = new Scanner(System.in);
int choice;
do {
System.out.println("0 - Exit");
System.out.println("1 - Input N");
System.out.println("2 - Input the reference string");
System.out.println("3 - Simulate the OPT algorithm");
System.out.println("4 - Simulate the NEW algorithm");
System.out.print("Select option: ");
choice = input.nextInt();
switch (choice) {
case 0:
System.out.println("Exiting the program...");
break;
case 1:
System.out.print("Enter the value of N (2-8): ");
n = input.nextInt();
if (n < 2 || n > 8) {
System.out.println("Invalid value of N!");
n = 0;
} else {
physicalFrames = new int[n];
victimPages = new int[n];
System.out.println("N set to " + n + ".");
}
break;
case 2:
if (n == 0) {
System.out.println("Please enter the value of N first!");
} else {
System.out.print("Enter the reference string (length at least " + n + ", max length 20): ");
String[] strArr = input.next().split("");
int len = strArr.length;
if (len < n || len > 20) {
System.out.println("Invalid length of reference string!");
} else {
referenceString = new int[len];
for (int i = 0; i < len; i++) {
int page = Integer.parseInt(strArr[i]);
if (page < 0 || page > 9) {
System.out.println("Invalid page number!");
referenceString = null;
break;
}
referenceString[i] = page;
}
if (referenceString != null) {
System.out.println("Reference string set to " + String.join("", strArr) + ".");
}
}
}
break;
case 3:
if (n == 0) {
System.out.println("Please enter the value of N first!");
} else if (referenceString == null) {
System.out.println("Please enter the reference string first!");
} else {
System.out.println("Simulating the OPT algorithm...");
simulateOPT();
}
break;
case 4:
if (n == 0) {
System.out.println("Please enter the value of N first!");
} else if (referenceString == null) {
System.out.println("Please enter the reference string first!");
} else {
System.out.println("Simulating the NEW algorithm...");
simulateNEW();
}
break;
default:
System.out.println("Invalid choice!");
break;
}
System.out.println();
} while (choice != 0);
}
private static void simulateOPT() {
pageFaults = 0;
int len = referenceString.length;
System.out.println("Reference String\tPhysical Frames\tPage Faults\tVictim Pages");
for (int i = 0; i < len; i++) {
int page = referenceString[i];
boolean found = false;
for (int j = 0; j < n; j++) {
if (physicalFrames[j] == page) {
found = true;
break;
}
}
if (!found) {
pageFaults++;
int maxDist = 0;
int victimPage = -1;
for (int j = 0; j < n; j++) {
int dist = 0;
for (int k = i + 1; k < len; k++) {
dist++;
if (physicalFrames[j] == referenceString[k]) {
break;
}
}
if (dist > maxDist) {
maxDist = dist;
victimPage = j;
}
}
.
Java_Programming_by_Example_6th_Edition.pdf
This document contains code snippets and explanations related to Java programming concepts like classes, objects, methods, conditionals, loops, and arrays. It begins with simple examples of printing text and using methods. It then covers more complex topics like defining classes with fields and methods, if/else and switch conditional statements, for, while, and do-while loops, parsing user input, and creating and accessing objects. The document appears to be notes or exercises for learning Java programming fundamentals through worked examples and explanations.
Create a menu-driven program that will accept a collection of non-ne.pdf
Create a menu-driven program that will accept a collection of non-negative integers from the
keyboard, calculate the mean and median values and display those values on the screen. Your
menu should have 6 options: 1. Add a number to the array 2. Display the mean 3. Display the
median 4. Print the array to the screen 5. Print the array in reverse order 6. Quit
Program particulars: Use an array of type int to store the integers entered by the user. There
must be error checking on the input integer. If it is negative, the program will print an error
message and re-prompt. This process will continue until a non-negative integer is entered. You
must use a try-catch structure to trap both types of input errors (like letters where numbers
should go) and range errors (like -1). You must write your own selectionSort utility method to
sort your array. Place the method in an external file named SortSearchUtil.java. There must be
error checking on the menu choice entered. If the user enters a choice not on the menu, the
program will print an error message, re-display the menu and re-prompt. This process will
continue until a valid option value is entered. Your solution must be modular. The design of your
methods is up to you, but the rules of “highly cohesive” and “loosely coupled” must be followed.
Your program should be well-documented. Explain what you’re doing in your code. Be sure to
include the usual name and assignment notes. Note your program will have to sort your array
before you can find the median. Include your SortSearchUtil.java file which will contain your
sort method.
This is what my project looks like already: Please fix it thanks. The SortSearchUtil will also be
included.
import java.util.Scanner;
public class ArraySorting
{
public static void main(String[] args)
{
int option;
int integer = 0;
int optionOne;
int optionTwo;
int optionThree;
int optionFour;
int optionFive;
int[] numbers = new int[5];
Scanner kb = new Scanner(System.in);
System.out.println(\"Please enter a non-negative integer: \");
integer = kb.nextInt();
while((integer < 0))
{
System.out.println(\"I am sorry that is not a non-negative integer.\");
System.out.println(\"\");
System.out.println(\"Please enter a non-negative integer: \");
integer = kb.nextInt();
}
option = displayMenu(kb);
while (option != 6)
{
switch (option)
{
case 1:
optionOne(numbers);
System.out.println(\"\");
break;
case 2:
optionTwo(numbers);
System.out.println(\"\");
case 3:
//optionThree();
System.out.println(\"\");
break;
case 4:
//optionFour();
System.out.println(\"\");
break;
case 5:
//optionFive();
System.out.println(\"\");
break;
}
option = displayMenu(kb);
}
if (option == 6)
{
System.out.println();
System.out.println(\"Thank you. Have a nice day.\");
}
}
private static int displayMenu(Scanner kb)
{
int option = 0;
while (option != 1 && option != 2 && option != 3 && option != 4 && option !=5 && option
!=6)
{
System.out.println(\"\\t\\t1. Add a number to the array\ \\t\\t2. Display the mean\ \\t\.
Modify before asshignment so that we can check input errors, etc.. P.pdf
Modify before asshignment so that we can check input errors, etc.. Please refer to the following
Java code.
You should add switch, run your programing untill you choose figure==0 (using while loop),
cheak input error.
import java.util.*;
public class AreaTestt {
public static void main (String[] args)
{
int choice1 = menu(1);
int choice2 = menu(2)
}
// get user choice
public static int menu(int n)
{
int choice = 0;
Scanner scanner = new Scanner(System.in);
if(n == 1)
{
System.out.print(\"Information for figure 1: Type 1) rectangle 2) triangle 3) circle: \");
choice = scanner.nextInt();
}
else if(n == 2)
{
System.out.print(\"Information for figure 2: Type 1) rectangle 2) triangle 3) circle: \");
choice = scanner.nextInt();
}
return choice;
}
}
Solution
import java.util.*;
public class AreaTestt {
public static void main(String[] args) {
menu();
}
// get user choice
public static void menu() {
int choice = 0;
Scanner scanner = new Scanner(System.in);
do {
choice = scanner.nextInt();
switch (choice) {
case 1:
System.out
.print(\"Information for figure 1: Type 1) rectangle 2) triangle 3) circle: \");
break;
case 2:
System.out
.print(\"Information for figure 2: Type 1) rectangle 2) triangle 3) circle: \");
break;
default:
break;
}
} while (choice != 0);
}
}
OUTPUT:
2
Information for figure 2: Type 1) rectangle 2) triangle 3) circle: 3
1
Information for figure 1: Type 1) rectangle 2) triangle 3) circle: 0.
ch05-program-logic-indefinite-loops.ppt
The document discusses different types of loops in Java including while loops, do-while loops, and indefinite loops using sentinels. It provides examples of using random numbers and boolean return values from methods to implement program logic within loops. Key concepts covered include fencepost problems, random number generation, and using boolean values to represent logical tests.
Example of JAVA Program
This Java program allows a user to perform arithmetic operations and generate random numbers on arrays of double values. The user is presented with a menu to choose between adding, subtracting, multiplying, dividing, dot product, or generating a random array. For each operation, the user can enter size of the arrays and values. The program then performs the selected operation and displays the results. It includes error handling for cases like dividing by zero. Methods are defined to get user input, perform the operations, and generate random numbers within a given range.
Psuedocode1, algorithm1, Flowchart1.pptx
The document discusses algorithms and flowcharts. It defines algorithms as a series of logical steps to solve a problem and pseudocode as a way to develop algorithms using everyday English. Flowcharts provide a graphical representation of algorithm steps. Common flowchart symbols are described along with basic control structures like sequence, selection, and iteration. Examples of algorithms, pseudocode, and flowcharts are provided to calculate sums, convert units, and perform other simple tasks.
Review Questions for Exam 10182016 1. public class .pdf
Q3 GIVEN THE TREND EQUATION NO OF STUDENTS-3000+200 YEAR BASE: 2003-0
1.INTERPRET EQUATION RESULTS 2.FORECAST FOR 2020 3.WHEN WILL THE NO OF
STUDENTS REACH 6000
Solution
x no of years from 2003 y no of students y = 3000+200x 1) The regression
equation has a positive slope of 200 y intercept is 3000 i.e. no of students in the year 2000
Thus for every year 200 students increase 2) For 2020, x = 17, y = 3000+200(17) = 6400
3) When y =6000, 6000 = 3000+200x or x = 15 Hence in year 2018 students reach 6000
B Regression C D. All the above.
Relational Operators in C
The document discusses algorithms and flowcharts for conditional and iterative problems. It provides examples and solutions for writing algorithms and flowcharts to determine voter eligibility based on age, print all natural numbers from 1 to N, and find the biggest of two or three numbers. It also includes practice problems for students to write algorithms and flowcharts to solve problems related to discounts based on order quantity and calculating the sum of two numbers using functions. The document aims to help students understand how to design algorithms and flowcharts for conditional and iterative problems.
KOLEJ KOMUNITI - Sijil Aplikasi Perisian Komputer
This document discusses using the Scanner class in Java to take user input from the console. It explains the different Scanner methods like nextInt(), nextDouble(), etc. for reading different data types. It provides examples of programs that take user input, perform calculations, and output results. It also includes exercises for students to practice writing programs that take multiple user inputs and perform operations like addition, multiplication, averaging marks, and calculating area and volume using user-provided values.
Comp102 lec 6
The document discusses different types of loops in Java programming. It explains that for loops are used when the number of repetitions is fixed and known beforehand. While loops are used when the number depends on a condition, and the loop may repeat zero times. Do-while loops guarantee at least one repetition of the block, and are useful when the block needs to repeat until a condition is met. Examples are provided for each type of loop.
Main Java[All of the Base Concepts}.docx
This is part 1 of my Java Learning Journey. This Contains Custom methods, classes, constructors, packages, multithreading , try- catch block, finally block and more.
The java code works, I just need it to display the results as in t.pdf
The internal rate of return (IRR) refers to the compound annual rate of return that a project
generates based on its up-front cost and subsequent cash flows. Consider the case of Blue Llama
Mining Company:
Blue Llama Mining Company is evaluating a proposed capital budgeting project (project Sigma)
that will require an initial investment of $850,000.
Blue Llama Mining Company has been basing capital budgeting decisions on a projects NPV;
however, its new CFO wants to start using the IRR method for capital budgeting decisions. The
CFO says that the IRR is a better method because returns in percentage form are easier to
understand and compare to required returns. Blue Llama Mining Companys WACC is 8%, and
project Sigma has the same risk as the firms average project.
The project is expected to generate the following net cash flows:
Which of the following is the correct calculation of project Sigmas IRR?
24.78%
33.04%
27.53%
31.66%
If this is an independent project, the IRR method states that the firm should .
If the projects cost of capital were to increase, how would that affect the IRR?
The IRR would increase.
The IRR would decrease.
The IRR would not change.YearCash FlowYear 1$300,000Year 2$425,000Year 3$400,000Year
4$425,000.
Trabajo
This document contains 20 Java programs that solve various math and logic problems. Each program contains comments describing the problem, declares variables and constants, gets user input, performs calculations, and outputs results. The programs include examples of summing numbers, finding quotients/remainders, calculating area of a circle, compound interest, time conversions, and if/else conditional logic.
JPC#8 Introduction to Java Programming
This document provides an introduction to Java programming concepts including what Java is, how to set up a Java development environment, basic Java code structure, variables, data types, arithmetic operations, conditional statements, loops, and getting user input. It covers elementary Java topics through examples and explanations. Key points include how to write, compile and run a simple Java program that prints "Hello World", how to declare and use variables of different data types, the different conditional statements (if, if-else, if-else-if-else), looping constructs (while, do-while, for), and taking user input using the Scanner class.
import java.util.Scanner;Henry Cutler ID 1234 7202.docx
import java.util.Scanner;
/*
Henry Cutler ID 1234 7/20/2015
Assignment #5, 3 features in 1 program
Solution
for Assignment#5 COP2800
Pseudocode:
Program has three features, all in a single program that are user selectable.
Prompt with options and get user choice inside a while statement ( true )
If 1 is entered:
Using a while and for loop, print out the ASCII table from ! to ~.
If 2 is entered:
Prompt the user for number of times to flip for head or tails using the random method. Count number of each and when the request times are done, print out the results.
If 3 is entered:
Prompt the user for a strings and print back the count of vowels and letters
Any other input entered program will exit using a break statement, otherwise loops back to prompt user for feature selection.
*/
public class Module5 {
public static void main(String[] args) {
// prompt the user
System.out.println("Welcome to Henry\'s 3 in 1 Programming Assignment for Module 5\n");
// create Scanner Object
Scanner input = new Scanner(System.in);
// loop until break
while(true){
// new lines for readability
System.out.print("\n");
// Prompt user for choices
System.out.print("Enter 1 for ASCII Table \nEnter 2 for Heads or Tails\nEnter 3 for Count Vowels & Letters\nAny other input will exit");
int choice = input.nextInt();
// Consume newline left-over
input.nextLine();
// first feature
if(choice == 1){
// start value is !
int value = (int) '!';
// newline for formating
System.out.println("You Selected ASCII Table!\n");
// start at ~ which is 33 decimal
while( value <= '~')
{
// print out 20 in a line
for( int count = 0; count < 20; count ++ ){
if( value <= '~'){
// print single value
System.out.print( (char) value++ );
}
else {
// break when we are at last char to print
break;
}
}
// New line every 10
System.out.print("\n");
}
// New line at exit
System.out.print("\n");
}
else if(choice == 2){
// Prompt user
System.out.println("You Selected Head or Tails!");
System.out.println("\nHow many flips would you like to try?");
// get value
int count = input.nextInt();
// clear
input.nextLine();
int headCount = 0;
int tailCount = 0;
// run for a count provided by user
for (int i = 0; i < count; i++) {
// get random number
if (Math.random() > 0.5){
// increment heads
headCount++;
}
else {
// increment tails
tailCount++;
}
}
System.out.println("Head count: " + headCount + " tail count: " + tailCount);
}
else if(choice == 3){
// Prompt user
Sys.
All Of My Java Codes With A Sample Output.docx
Contains All of the Java Programs from Beginning to the Advanced Concepts that I had Practiced While Learning Java
CPSC 120Spring 2014Lab 5Name _____________________.docx
CPSC 120
Spring 2014
Lab 5
Name _____________________________
Practice Objectives of this Lab:
1. Relational Operators
2. The if Statement
3. The if/else Statement
4. The if/else if Statement
5. Menu-Driven Programs
6. Nested if Statements
7. Logical Operators
Grading:
1. 5.1-5.4 15 points each,
5.5-5.6 20 points each
100 points totally
2. Your final complete solution report is due before your lab next week.
To begin
· Log on to your system and create a folder named Lab5 in your work space.
· Start the C++ IDE (Visual Studio) and create a project named Lab5.
Part I (60 points)
LAB 5.1 (15 points) – Using Boolean Variables and Branching Logic
Step 1: Add the tryIt5B.cpp program in your Lab5 folder to the project. Here is a copy of the int main() source code.
1 // Lab 5 tryIt5B
8 int main()
9 {
10 bool hungry = true,
11 sleepy = false,
12 happy = true,
13 lazy = false;
14
15 cout << hungry << " " << sleepy
<< endl;
16
17 if (hungry == true)
18 cout << "I'm hungry. \n";
19
20 if (sleepy == true)
21 cout << "I'm sleepy. \n";
22
23 if (hungry)
24 cout << "I'm still hungry. \n";
25 else
26 cout << "I'm not hungry. \n";
27
28 if (sleepy)
29 cout << "I'm still sleepy. \n";
30 else
31 cout << "I'm not sleepy. \n";
32
33 if (sleepy)
34 cout << "I'm sleepy. \n";
35 else if (lazy)
36 cout << "I'm lazy. \n";
37 else if (happy)
38 cout << "I'm happy. \n";
39 else if (hungry)
40 cout << "I'm hungry. \n";
41
42 return 0;
43 }
Expected Output
_________________
_________________
_________________
_________________
_________________
_________________
_________________
_________________
_________________
_________________
_________________
Observed Output
_________________
_________________
_________________
_________________
_________________
_________________
_________________
_________________
_________________
_________________
_________________
Step 2: Read the source code, paying special attention to the expressions that control the branching statements. Then complete the “Expected Output” column above, writing down what output you think each cout statement will produce. If no output will be produced, leave the line blank.
Step 3: Now compile and run the tryIt5B.cpp program, and look at the output it creates. If the actual output from a cout statement matches what you wrote down, just place a checkmark in the “Observed Output” column. If it is not the same, write down the actual output.
LAB 5.2 (15 points) – Working with the if and if/else Statements
Step 1: Remove tryIt5B.cpp from the project and add the testNum.cpp program in your Lab5 folder to the project. Here is a copy of the source code.
1 // Lab 4 testNum.cpp
2 // This program checks to see if a test score is equal to 100.
3 // It currently contains a l.
Scjp questions
The code attempts to implement an interface method with a more restrictive access modifier, which causes a compilation error. The interface method is implicitly public, but the implementation tries to make it void instead of public. This violates the interface and results in compilation failure.
CMIS 102 Hands-On LabWeek 6OverviewThis hands-on lab .docx
CMIS 102 Hands-On Lab
Week 6
Overview:
This hands-on lab allows you to follow and experiment with the critical steps of developing a program including the program description, Analysis, Design(program design, pseudocode), Test Plan, and implementation with C code. The example provided uses sequential, repetition, selection statements and two user-defined function.
Program Description:
This program will provide options for a user to calculate the square or cube of a positive Integer input by a user. The program will prompt the user to enter an Integer and then prompt the user if they want to calculate the square of the cube of the number. Based on the inputs of the user, the program will output the square of the cube of the positive integer. The program will then print the Integer and square or cube of the integer based on the user’s original choice. The program will continue to prompt the user for
Integers and their calculation choice until the user enters a negative integer. The square and cube calculations should be calculated using a function.
Analysis:
I will use sequential, selection, and repetition programming statements and functions for the cube and square calculations.
I will define three Integer variables: IntValue, MenuSelect, Results to store the Integer value input by the user, the Menu selection (1 for Square, 2 for Cube) of the user, and the results of the Square or Cube functions.
The Square function will take one Integer as input and return one Integer as the output. The calculation within the Square function is: Results = IntValue * IntValue
For example, if 10 was entered as the IntValue. Results = 10*10 = 100
The Cube function will take one Integer as input and return one Integer as the output. The calculation within the Cube function is: Results = IntValue * IntValue*IntValue
For example, if 10 was entered as the IntValue. Results = 10*10*10 = 1000
A repetition loop can be used to loop through iterations until a negative is entered: while(intValue > 0) (
…
End For
1
Program Design:
Main
· This program will provide options for a user to calculate the square
· or cube of a positive Integer input by a user.
· Declare variables
· Initialize loop variable intValue to positive value to start loop
· Loop While input is a positive number
//Prompt user for a number //Get user response
// Only perform menu and function calls if integer is positive If intValue > 0 Then
//Prompt user for selection Square or Cube
// "Enter 1 to calculate Square, 2 to Calculate Cube " If menuSelect == 1 Then
// Call the Square Function //Print results
Else If menuSelect == 2 Then // Call the Cube function //Print results
Else
//Print Invalid msg
End If //End of If menuSelect End If //End of If intValue > 0
//END While
End // End of Main program
· Square Function ------------------------------
//Calculates the square of an Integer
· Cube Function ------------------------------
//Calculates the cubeof an Integer
Tes ...
09. Java Methods
Here we are going to learn how to define and use methods in Java,
Furthermore we are going to see what is to overload the methods that we created.
import java.util.;public class Program{public static void.pdf
import java.util.*;
public class Program
{
public static void main(String[] args) {
Scanner input = new Scanner(System.in);
String x=\"X\";
int amount;
System.out.println(\"Enter amount\");
amount=input.nextInt();
System.out.println(\"Amount is: \"+amount);
for(int i=1; i<=amount; i++)
{
System.out.println(x);
for(int j=1; j<=i; j++)
{
System.out.print(x);
}
}
}
}
Why does It print out the last set of X\'s twice? I am doing basic Java so please try to explain
using the most basic codes.
import java.util.*;
public class Program
{
public static void main(String[] args) {
Scanner input = new Scanner(System.in);
String x=\"X\";
int amount;
System.out.println(\"Enter amount\");
amount=input.nextInt();
System.out.println(\"Amount is: \"+amount);
for(int i=1; i<=amount; i++)
{
System.out.println(x);
for(int j=1; j<=i; j++)
{
System.out.print(x);
}
}
}
}
Why does It print out the last set of X\'s twice? I am doing basic Java so please try to explain
using the most basic codes.
import java.util.*;
public class Program
{
public static void main(String[] args) {
Scanner input = new Scanner(System.in);
String x=\"X\";
int amount;
System.out.println(\"Enter amount\");
amount=input.nextInt();
System.out.println(\"Amount is: \"+amount);
for(int i=1; i<=amount; i++)
{
System.out.println(x);
for(int j=1; j<=i; j++)
{
System.out.print(x);
}
}
}
}
Why does It print out the last set of X\'s twice? I am doing basic Java so please try to explain
using the most basic codes.
Solution
Hi,
I have modified the code. it is working as expected now. Highlighted the code changes below.
Issue here is with you have written this statement twice System.out.println(x); which causes the
issue.
Program.java
import java.util.*;
public class Program
{
public static void main(String[] args) {
Scanner input = new Scanner(System.in);
String x=\"X\";
int amount;
System.out.println(\"Enter amount\");
amount=input.nextInt();
System.out.println(\"Amount is: \"+amount);
for(int i=1; i<=amount; i++)
{
System.out.println();
for(int j=1; j<=i; j++)
{
System.out.print(x);
}
}
}
}
Output:
Enter amount
10
Amount is: 10
X
XX
XXX
XXXX
XXXXX
XXXXXX
XXXXXXX
XXXXXXXX
XXXXXXXXX
XXXXXXXXXX.
Supplemental knowledge conversion processes have been added to the E.pdf
Supplemental knowledge conversion processes have been added to the Extended Nonaka (1991)
organizational learning model by Ray (2014) to form a new Enhanced Organizational Learning
model. Match the supplement knowledge conversion process titles to the correct definitions:
Acquisition Assimilation Absorption Utilization Exploitation A. the process of scanning,
identifying, and selecting data to support propositions that become new knowledge. B. the
process of analyzing, processing and interpreting info so it can be understood. C. the process of
translating explicit group knowledge in transferrable states into organizational remembered tacit
knowledge within specific contexts of interest. D. represents applying organizationally
remembered knowledge to new experiences to extend and leverage existing competencies. E. is
the process of creating new competencies by incorporating new transformed knowledge into
operations..
Supongamos que Musashi, un economista de un programa de radio AM, y .pdf
Supongamos que Musashi, un economista de un programa de radio AM, y Rina, una economista
de una universidad de Massachusetts, estn discutiendo sobre el seguro mdico. El siguiente dilogo
muestra un extracto de su debate:
Rina: Un tema popular de debate entre polticos y economistas es la idea de brindar asistencia
gubernamental para beneficios de salud.
Musashi: Creo que es opresivo que el gobierno cobre impuestos a las personas que se cuidan a s
mismas para pagar el seguro mdico de las personas obesas.
Rina: No estoy de acuerdo. Creo que la financiacin gubernamental del seguro de salud es til para
garantizar la equidad bsica.
El desacuerdo entre estos economistas probablemente se deba a:
A: Diferencias en los juicios cientficos
B: Diferencias en valores
C: Diferencias entre percepcin VS. realidad
A pesar de sus diferencias, con qu proposicin es ms probable que estn de acuerdo dos
economistas elegidos al azar?
A.Los abogados constituyen un porcentaje excesivo de los funcionarios electos.
B. Las leyes de salario mnimo hacen ms para daar a los trabajadores poco calificados que para
ayudarlos.
C. Los aranceles y las cuotas de importacin generalmente reducen el bienestar econmico..
Suponga que las tasas de inter�s en los Estados Unidos, pero no aume.pdf
Suponga que las tasas de inters en los Estados Unidos, pero no aumentan en otras naciones.
Como resultado de este cambio
El dlar estadounidense se aprecia
El dlar estadounidense se deprecia
Las exportaciones estadounidenses aumentarn
Las importaciones estadounidenses disminuirn
Los niveles de precios en los Estados Unidos aumentarn
Supongamos que los estadounidenses comenzaron a comprar activos reales en Europa. Cmo
afectara esto al mercado de divisas del euro y al precio en dlares del euro?
Disminuir incrementar
Aumentar Disminuir
aumentar/aumentar
Disminuir/Disminuir
Disminuir/No cambiar
Suponga que las tasas de inters aumentan en los Estados Unidos, pero no aumentan en otras
naciones, cul es el impacto del flujo de capital financiero, el valor del dlar y la exportacin neta de
EE. UU. (basado en el valor cambiante del dlar)? ?
Flujo de capital/ Valor del dlar estadounidense/ Exportaciones netas
Afluencia/apreciar/Aumentar
Afluencia/apreciar/disminuir
Entrada/depreciacin/aumento
Salida/depreciacin/aumento
Salida/aprecia/disminuye
Si Estados Unidos experimenta un aumento en las exportaciones, ceteris paribus, entonces
El dlar estadounidense se apreciar debido al aumento de la oferta de dlares estadounidenses por
parte de naciones extranjeras.
El dlar estadounidense se depreciar debido al aumento de la oferta de dlares estadounidenses por
parte de las naciones extranjeras.
El dlar estadounidense se apreciar debido a la mayor demanda de dlares estadounidenses por
parte de las naciones extranjeras.
El dlar estadounidense se depreciar debido a la mayor demanda de dlares estadounidenses por
parte de las naciones extranjeras.
EE.UU., el dlar se depreciar y EE.UU. importar ms bienes extranjeros.
Suponga que la ARN polimerasa estaba transcribiendo un gen eucari�ti.pdf
Suponga que la ARN polimerasa estaba transcribiendo un gen eucaritico con varios intrones,
todos contenidos dentro de la regin codificante. En qu orden encontrara la ARN polimerasa los
elementos en la secuencia de ADN del gen?
Ms temprano encontrado
promotor
5'UTR
codn de iniciacin de la traduccin
punto de ramificacin de empalme
codn de parada
UTR de 3'
ltimas encontradas.
Suppose researchers are about to draw a sample of 1450 observations .pdf
Suppose researchers are about to draw a sample of 1450 observations from a normally
distributed population, and use this data to create a confidence interval for the population mean
using the t procedure. They don't know much about statistics, and decide to use a t / 2 value of
0.62 to calculate the margin of error. (Since, curiously, that is their favourite number.) What is
the confidence level of this confidence interval?.
Suponga que el Congreso est� considerando un proyecto de ley que imp.pdf
Suponga que el Congreso est considerando un proyecto de ley que impondr fuertes impuestos
sobre cualquier dinero que salga de EE. UU. Cmo afecta esta poltica al ahorro nacional, la
inversin interna, la salida neta de capital, la tasa de inters, el tipo de cambio y la balanza
comercial?
Debe llenar los espacios en blanco con una "I" (sin la comilla) para aumentar y "D" (sin la
comilla) para disminuir.
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Psuedocode1, algorithm1, Flowchart1.pptx
The document discusses algorithms and flowcharts. It defines algorithms as a series of logical steps to solve a problem and pseudocode as a way to develop algorithms using everyday English. Flowcharts provide a graphical representation of algorithm steps. Common flowchart symbols are described along with basic control structures like sequence, selection, and iteration. Examples of algorithms, pseudocode, and flowcharts are provided to calculate sums, convert units, and perform other simple tasks.
Review Questions for Exam 10182016 1. public class .pdf
Q3 GIVEN THE TREND EQUATION NO OF STUDENTS-3000+200 YEAR BASE: 2003-0
1.INTERPRET EQUATION RESULTS 2.FORECAST FOR 2020 3.WHEN WILL THE NO OF
STUDENTS REACH 6000
Solution
x no of years from 2003 y no of students y = 3000+200x 1) The regression
equation has a positive slope of 200 y intercept is 3000 i.e. no of students in the year 2000
Thus for every year 200 students increase 2) For 2020, x = 17, y = 3000+200(17) = 6400
3) When y =6000, 6000 = 3000+200x or x = 15 Hence in year 2018 students reach 6000
B Regression C D. All the above.
Relational Operators in C
The document discusses algorithms and flowcharts for conditional and iterative problems. It provides examples and solutions for writing algorithms and flowcharts to determine voter eligibility based on age, print all natural numbers from 1 to N, and find the biggest of two or three numbers. It also includes practice problems for students to write algorithms and flowcharts to solve problems related to discounts based on order quantity and calculating the sum of two numbers using functions. The document aims to help students understand how to design algorithms and flowcharts for conditional and iterative problems.
KOLEJ KOMUNITI - Sijil Aplikasi Perisian Komputer
This document discusses using the Scanner class in Java to take user input from the console. It explains the different Scanner methods like nextInt(), nextDouble(), etc. for reading different data types. It provides examples of programs that take user input, perform calculations, and output results. It also includes exercises for students to practice writing programs that take multiple user inputs and perform operations like addition, multiplication, averaging marks, and calculating area and volume using user-provided values.
Comp102 lec 6
The document discusses different types of loops in Java programming. It explains that for loops are used when the number of repetitions is fixed and known beforehand. While loops are used when the number depends on a condition, and the loop may repeat zero times. Do-while loops guarantee at least one repetition of the block, and are useful when the block needs to repeat until a condition is met. Examples are provided for each type of loop.
Main Java[All of the Base Concepts}.docx
This is part 1 of my Java Learning Journey. This Contains Custom methods, classes, constructors, packages, multithreading , try- catch block, finally block and more.
The java code works, I just need it to display the results as in t.pdf
The internal rate of return (IRR) refers to the compound annual rate of return that a project
generates based on its up-front cost and subsequent cash flows. Consider the case of Blue Llama
Mining Company:
Blue Llama Mining Company is evaluating a proposed capital budgeting project (project Sigma)
that will require an initial investment of $850,000.
Blue Llama Mining Company has been basing capital budgeting decisions on a projects NPV;
however, its new CFO wants to start using the IRR method for capital budgeting decisions. The
CFO says that the IRR is a better method because returns in percentage form are easier to
understand and compare to required returns. Blue Llama Mining Companys WACC is 8%, and
project Sigma has the same risk as the firms average project.
The project is expected to generate the following net cash flows:
Which of the following is the correct calculation of project Sigmas IRR?
24.78%
33.04%
27.53%
31.66%
If this is an independent project, the IRR method states that the firm should .
If the projects cost of capital were to increase, how would that affect the IRR?
The IRR would increase.
The IRR would decrease.
The IRR would not change.YearCash FlowYear 1$300,000Year 2$425,000Year 3$400,000Year
4$425,000.
Trabajo
This document contains 20 Java programs that solve various math and logic problems. Each program contains comments describing the problem, declares variables and constants, gets user input, performs calculations, and outputs results. The programs include examples of summing numbers, finding quotients/remainders, calculating area of a circle, compound interest, time conversions, and if/else conditional logic.
JPC#8 Introduction to Java Programming
This document provides an introduction to Java programming concepts including what Java is, how to set up a Java development environment, basic Java code structure, variables, data types, arithmetic operations, conditional statements, loops, and getting user input. It covers elementary Java topics through examples and explanations. Key points include how to write, compile and run a simple Java program that prints "Hello World", how to declare and use variables of different data types, the different conditional statements (if, if-else, if-else-if-else), looping constructs (while, do-while, for), and taking user input using the Scanner class.
import java.util.Scanner;Henry Cutler ID 1234 7202.docx
import java.util.Scanner;
/*
Henry Cutler ID 1234 7/20/2015
Assignment #5, 3 features in 1 program
Solution
for Assignment#5 COP2800
Pseudocode:
Program has three features, all in a single program that are user selectable.
Prompt with options and get user choice inside a while statement ( true )
If 1 is entered:
Using a while and for loop, print out the ASCII table from ! to ~.
If 2 is entered:
Prompt the user for number of times to flip for head or tails using the random method. Count number of each and when the request times are done, print out the results.
If 3 is entered:
Prompt the user for a strings and print back the count of vowels and letters
Any other input entered program will exit using a break statement, otherwise loops back to prompt user for feature selection.
*/
public class Module5 {
public static void main(String[] args) {
// prompt the user
System.out.println("Welcome to Henry\'s 3 in 1 Programming Assignment for Module 5\n");
// create Scanner Object
Scanner input = new Scanner(System.in);
// loop until break
while(true){
// new lines for readability
System.out.print("\n");
// Prompt user for choices
System.out.print("Enter 1 for ASCII Table \nEnter 2 for Heads or Tails\nEnter 3 for Count Vowels & Letters\nAny other input will exit");
int choice = input.nextInt();
// Consume newline left-over
input.nextLine();
// first feature
if(choice == 1){
// start value is !
int value = (int) '!';
// newline for formating
System.out.println("You Selected ASCII Table!\n");
// start at ~ which is 33 decimal
while( value <= '~')
{
// print out 20 in a line
for( int count = 0; count < 20; count ++ ){
if( value <= '~'){
// print single value
System.out.print( (char) value++ );
}
else {
// break when we are at last char to print
break;
}
}
// New line every 10
System.out.print("\n");
}
// New line at exit
System.out.print("\n");
}
else if(choice == 2){
// Prompt user
System.out.println("You Selected Head or Tails!");
System.out.println("\nHow many flips would you like to try?");
// get value
int count = input.nextInt();
// clear
input.nextLine();
int headCount = 0;
int tailCount = 0;
// run for a count provided by user
for (int i = 0; i < count; i++) {
// get random number
if (Math.random() > 0.5){
// increment heads
headCount++;
}
else {
// increment tails
tailCount++;
}
}
System.out.println("Head count: " + headCount + " tail count: " + tailCount);
}
else if(choice == 3){
// Prompt user
Sys.
All Of My Java Codes With A Sample Output.docx
Contains All of the Java Programs from Beginning to the Advanced Concepts that I had Practiced While Learning Java
CPSC 120Spring 2014Lab 5Name _____________________.docx
CPSC 120
Spring 2014
Lab 5
Name _____________________________
Practice Objectives of this Lab:
1. Relational Operators
2. The if Statement
3. The if/else Statement
4. The if/else if Statement
5. Menu-Driven Programs
6. Nested if Statements
7. Logical Operators
Grading:
1. 5.1-5.4 15 points each,
5.5-5.6 20 points each
100 points totally
2. Your final complete solution report is due before your lab next week.
To begin
· Log on to your system and create a folder named Lab5 in your work space.
· Start the C++ IDE (Visual Studio) and create a project named Lab5.
Part I (60 points)
LAB 5.1 (15 points) – Using Boolean Variables and Branching Logic
Step 1: Add the tryIt5B.cpp program in your Lab5 folder to the project. Here is a copy of the int main() source code.
1 // Lab 5 tryIt5B
8 int main()
9 {
10 bool hungry = true,
11 sleepy = false,
12 happy = true,
13 lazy = false;
14
15 cout << hungry << " " << sleepy
<< endl;
16
17 if (hungry == true)
18 cout << "I'm hungry. \n";
19
20 if (sleepy == true)
21 cout << "I'm sleepy. \n";
22
23 if (hungry)
24 cout << "I'm still hungry. \n";
25 else
26 cout << "I'm not hungry. \n";
27
28 if (sleepy)
29 cout << "I'm still sleepy. \n";
30 else
31 cout << "I'm not sleepy. \n";
32
33 if (sleepy)
34 cout << "I'm sleepy. \n";
35 else if (lazy)
36 cout << "I'm lazy. \n";
37 else if (happy)
38 cout << "I'm happy. \n";
39 else if (hungry)
40 cout << "I'm hungry. \n";
41
42 return 0;
43 }
Expected Output
_________________
_________________
_________________
_________________
_________________
_________________
_________________
_________________
_________________
_________________
_________________
Observed Output
_________________
_________________
_________________
_________________
_________________
_________________
_________________
_________________
_________________
_________________
_________________
Step 2: Read the source code, paying special attention to the expressions that control the branching statements. Then complete the “Expected Output” column above, writing down what output you think each cout statement will produce. If no output will be produced, leave the line blank.
Step 3: Now compile and run the tryIt5B.cpp program, and look at the output it creates. If the actual output from a cout statement matches what you wrote down, just place a checkmark in the “Observed Output” column. If it is not the same, write down the actual output.
LAB 5.2 (15 points) – Working with the if and if/else Statements
Step 1: Remove tryIt5B.cpp from the project and add the testNum.cpp program in your Lab5 folder to the project. Here is a copy of the source code.
1 // Lab 4 testNum.cpp
2 // This program checks to see if a test score is equal to 100.
3 // It currently contains a l.
Scjp questions
The code attempts to implement an interface method with a more restrictive access modifier, which causes a compilation error. The interface method is implicitly public, but the implementation tries to make it void instead of public. This violates the interface and results in compilation failure.
CMIS 102 Hands-On LabWeek 6OverviewThis hands-on lab .docx
CMIS 102 Hands-On Lab
Week 6
Overview:
This hands-on lab allows you to follow and experiment with the critical steps of developing a program including the program description, Analysis, Design(program design, pseudocode), Test Plan, and implementation with C code. The example provided uses sequential, repetition, selection statements and two user-defined function.
Program Description:
This program will provide options for a user to calculate the square or cube of a positive Integer input by a user. The program will prompt the user to enter an Integer and then prompt the user if they want to calculate the square of the cube of the number. Based on the inputs of the user, the program will output the square of the cube of the positive integer. The program will then print the Integer and square or cube of the integer based on the user’s original choice. The program will continue to prompt the user for
Integers and their calculation choice until the user enters a negative integer. The square and cube calculations should be calculated using a function.
Analysis:
I will use sequential, selection, and repetition programming statements and functions for the cube and square calculations.
I will define three Integer variables: IntValue, MenuSelect, Results to store the Integer value input by the user, the Menu selection (1 for Square, 2 for Cube) of the user, and the results of the Square or Cube functions.
The Square function will take one Integer as input and return one Integer as the output. The calculation within the Square function is: Results = IntValue * IntValue
For example, if 10 was entered as the IntValue. Results = 10*10 = 100
The Cube function will take one Integer as input and return one Integer as the output. The calculation within the Cube function is: Results = IntValue * IntValue*IntValue
For example, if 10 was entered as the IntValue. Results = 10*10*10 = 1000
A repetition loop can be used to loop through iterations until a negative is entered: while(intValue > 0) (
…
End For
1
Program Design:
Main
· This program will provide options for a user to calculate the square
· or cube of a positive Integer input by a user.
· Declare variables
· Initialize loop variable intValue to positive value to start loop
· Loop While input is a positive number
//Prompt user for a number //Get user response
// Only perform menu and function calls if integer is positive If intValue > 0 Then
//Prompt user for selection Square or Cube
// "Enter 1 to calculate Square, 2 to Calculate Cube " If menuSelect == 1 Then
// Call the Square Function //Print results
Else If menuSelect == 2 Then // Call the Cube function //Print results
Else
//Print Invalid msg
End If //End of If menuSelect End If //End of If intValue > 0
//END While
End // End of Main program
· Square Function ------------------------------
//Calculates the square of an Integer
· Cube Function ------------------------------
//Calculates the cubeof an Integer
Tes ...
09. Java Methods
Here we are going to learn how to define and use methods in Java,
Furthermore we are going to see what is to overload the methods that we created.
import java.util.;public class Program{public static void.pdf
import java.util.*;
public class Program
{
public static void main(String[] args) {
Scanner input = new Scanner(System.in);
String x=\"X\";
int amount;
System.out.println(\"Enter amount\");
amount=input.nextInt();
System.out.println(\"Amount is: \"+amount);
for(int i=1; i<=amount; i++)
{
System.out.println(x);
for(int j=1; j<=i; j++)
{
System.out.print(x);
}
}
}
}
Why does It print out the last set of X\'s twice? I am doing basic Java so please try to explain
using the most basic codes.
import java.util.*;
public class Program
{
public static void main(String[] args) {
Scanner input = new Scanner(System.in);
String x=\"X\";
int amount;
System.out.println(\"Enter amount\");
amount=input.nextInt();
System.out.println(\"Amount is: \"+amount);
for(int i=1; i<=amount; i++)
{
System.out.println(x);
for(int j=1; j<=i; j++)
{
System.out.print(x);
}
}
}
}
Why does It print out the last set of X\'s twice? I am doing basic Java so please try to explain
using the most basic codes.
import java.util.*;
public class Program
{
public static void main(String[] args) {
Scanner input = new Scanner(System.in);
String x=\"X\";
int amount;
System.out.println(\"Enter amount\");
amount=input.nextInt();
System.out.println(\"Amount is: \"+amount);
for(int i=1; i<=amount; i++)
{
System.out.println(x);
for(int j=1; j<=i; j++)
{
System.out.print(x);
}
}
}
}
Why does It print out the last set of X\'s twice? I am doing basic Java so please try to explain
using the most basic codes.
Solution
Hi,
I have modified the code. it is working as expected now. Highlighted the code changes below.
Issue here is with you have written this statement twice System.out.println(x); which causes the
issue.
Program.java
import java.util.*;
public class Program
{
public static void main(String[] args) {
Scanner input = new Scanner(System.in);
String x=\"X\";
int amount;
System.out.println(\"Enter amount\");
amount=input.nextInt();
System.out.println(\"Amount is: \"+amount);
for(int i=1; i<=amount; i++)
{
System.out.println();
for(int j=1; j<=i; j++)
{
System.out.print(x);
}
}
}
}
Output:
Enter amount
10
Amount is: 10
X
XX
XXX
XXXX
XXXXX
XXXXXX
XXXXXXX
XXXXXXXX
XXXXXXXXX
XXXXXXXXXX.
Similar to I am constantly getting errors and cannot figure this out. Please he.pdf (16)
Review Questions for Exam 10182016 1. public class .pdf
Review Questions for Exam 10182016 1. public class .pdf
The java code works, I just need it to display the results as in t.pdf
The java code works, I just need it to display the results as in t.pdf
import java.util.Scanner;Henry Cutler ID 1234 7202.docx
import java.util.Scanner;Henry Cutler ID 1234 7202.docx
CPSC 120Spring 2014Lab 5Name _____________________.docx
CPSC 120Spring 2014Lab 5Name _____________________.docx
CMIS 102 Hands-On LabWeek 6OverviewThis hands-on lab .docx
CMIS 102 Hands-On LabWeek 6OverviewThis hands-on lab .docx
import java.util.;public class Program{public static void.pdf
import java.util.;public class Program{public static void.pdf
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El dlar estadounidense se deprecia
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Denis is a dynamic and results-driven Chief Information Officer (CIO) with a distinguished career spanning information systems analysis and technical project management. With a proven track record of spearheading the design and delivery of cutting-edge Information Management solutions, he has consistently elevated business operations, streamlined reporting functions, and maximized process efficiency.
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Tags: Information Security, ISO/IEC 27001, ISO/IEC 42001, Artificial Intelligence, GDPR
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I am constantly getting errors and cannot figure this out. Please he.pdf
- 1. I am constantly getting errors and cannot figure this out. Please help! THIS IS TO BE DONE IN JAVA (MathTutor) Write a program that displays a menu as shown in the sample run. You can enter 1, 2, 3, or 4 for choosing an addition, subtraction, multiplication, or division test. After a test is finished, the menu is redisplayed. You may choose another test or enter 5 to exit the system. Each test generates two random single-digit numbers to form a question for addition, subtraction, multiplication, or division. For a subtraction such as number1 number2, number1 is greater than or equal to number2. For a division question such as number1 / number2, number2 is not zero. I have enclose the program below and also in D2L, what you are required to do is to include exception handler that deals with nonnumeric operands, ArithemeticException and any others you think is required by this program. Main menu 1: Addition 2: Subtraction 3: Multiplication 4: Division 5: Exit Enter a choice: 1 What is 1 + 7? 8 Correct Main menu 1: Addition 2: Subtraction 3: Multiplication 4: Division 5: Exit Enter a choice: 1 What is 4 + 0? 5 Your answer is wrong. The correct answer is 4 Main menu 1: Addition 2: Subtraction 3: Multiplication 4: Division
- 2. 5: Exit Enter a choice: 4 What is 4 / 5? 1 Your answer is wrong. The correct answer is 0.8 Main menu 1: Addition 2: Subtraction 3: Multiplication 4: Division 5: Exit Enter a choice: import java.util.Scanner; import java.text.DecimalFormat; public class MathTutor { public static void main(String[] args) { Scanner input = new Scanner(System.in); System.out.println("Main menu"); System.out.println("1: Addition"); System.out.println("2: Subtraction"); System.out.println("3: Multiplication"); System.out.println("4: Division"); System.out.println("5: Exit"); int userChoice = 0; System.out.println("Enter a choice:"); userChoice = input.nextInt(); while (userChoice != 5) { int firstNum = (int)(Math.random() * 10); int secondNum = (int)(Math.random() * 10); switch (userChoice) { case 1: int adding = firstNum + secondNum; System.out.println(firstNum +" + "+secondNum+"?"); int addingInput = input.nextInt(); if (addingInput == adding) System.out.println("correct");
- 3. else System.out.println("Your answer is wrong. The correct answer is "+ adding); break; case 2: int sub = firstNum - secondNum; System.out.println(firstNum +" - "+secondNum+"?"); int subInput = input.nextInt(); if (subInput == sub) System.out.println("correct"); else System.out.println("Your answer is wrong. The correct answer is "+ sub); break; case 3: int mult = firstNum * secondNum; System.out.println(firstNum +" * "+secondNum+"?"); int multInput = input.nextInt(); if (multInput == mult) System.out.println("correct"); else System.out.println("Your answer is wrong. The correct answer is "+ mult); break; case 4: while (secondNum == 0){ // to make sure the bottom number is never zero secondNum = (int)Math.round((Math.random()*10)); }; double div = firstNum / secondNum; System.out.println(firstNum +" / "+secondNum+"?"); double divInput = input.nextDouble(); We are given this code to go off of: package Students; import java.util.Scanner; import java.text.DecimalFormat; public class MathTutor { public static void main(String[] args) { Scanner input = new Scanner(System.in); System.out.println("Main menu");
- 4. System.out.println("1: Addition"); System.out.println("2: Subtraction"); System.out.println("3: Multiplication"); System.out.println("4: Division"); System.out.println("5: Exit"); System.out.print("Enter a choice: "); int userChoice = input.nextInt(); //WORK ON WHILE while (userChoice != 5) { System.out.print("Enter your first number of choice: "); int firstNum =input.nextInt(); System.out.print("Enter your second number of choice: "); int secondNum =input.nextInt(); switch (userChoice) { case 1: int adding = firstNum + secondNum; System.out.print(firstNum +" + "+secondNum+"? "); int addingInput = input.nextInt(); if (addingInput == adding) System.out.println("correct"); else System.out.println("Your answer is wrong. The correct answer is "+ adding); break; case 2: int sub = firstNum - secondNum; System.out.print(firstNum +" - "+secondNum+"? "); int subInput = input.nextInt(); if (subInput == sub) System.out.println("correct"); else System.out.println("Your answer is wrong. The correct answer is "+ sub); break;
- 5. case 3: int mult = firstNum * secondNum; System.out.print(firstNum +" * "+secondNum+"? "); int multInput = input.nextInt(); if (multInput == mult) System.out.println("correct"); else System.out.println("Your answer is wrong. The correct answer is "+ mult); break; case 4: if (secondNum == 0){ // to make sure the bottom number is never zero System.out.println("NOT a good idea to divide a number by Zero."); System.out.print("Enter your second number of choice again: "); secondNum =input.nextInt(); } double div = (firstNum/secondNum); System.out.print(firstNum +" / "+secondNum+"? "); double divInput = input.nextDouble(); if (divInput == div) System.out.println("correct"); else System.out.println("Your answer is wrong. The correct answer is "+ div); break; case 5: input.close(); System.exit(0); break; default: System.out.println("Error: Out of range"); System.exit(0); } System.out.print("Enter a choice:"); userChoice = input.nextInt(); }
- 6. System.out.println("Thank you for using the MathTutor Program. Have a Great Day!"); } }