Java: An Introduction to Problem Solving and Programming (7th Edition)
7th Edition
ISBN: 9780133766264
Author: Walter Savitch
Publisher: PEARSON
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Textbook Question
Chapter 4.2, Problem 20STQ
Revise the loop shown in Listing 4.6 to use a break statement instead of the boolean variable areMore. Comment on how your loop compares with the original one.
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Please refer to the picture and also rewrite it as a for loop and do- while loop. Please show your source code for all three thank you.
How is the looping action of a basic loop stopped?
a, It's stopped when the condition in the LOOP statement is FALSE.
Answers:
b.
This type of loop has a predetermined number of loops to complete.
c. The condition in an EXIT WHEN statement is FALSE.
d.
The condition in an EXIT WHEN statement is TRUE.
If you want to break out of an inner loop, you can use the keyword ‘break’. But if you want to break out of a nested loop, you can use a labeled jump. Give an example of how labeled jump works.
Chapter 4 Solutions
Java: An Introduction to Problem Solving and Programming (7th Edition)
Ch. 4.1 - What output is produced by the following code? int...Ch. 4.1 - Can the body of a while loop execute zero times?...Ch. 4.1 - What output is produced by the following code? int...Ch. 4.1 - Revise the following code so that it uses a while...Ch. 4.1 - What output is produced by the following code? int...Ch. 4.1 - Imagine a program that reads the population of a...Ch. 4.1 - Prob. 7STQCh. 4.1 - What output is produced by the following code? int...Ch. 4.1 - What output is produced by the following code? for...Ch. 4.1 - What output is produced by the following code? for...
Ch. 4.1 - Prob. 11STQCh. 4.1 - Write a for statement that displays the even...Ch. 4.1 - Prob. 13STQCh. 4.2 - Write a Java loop that will display the phrase One...Ch. 4.2 - Write a Java loop that will set the variable...Ch. 4.2 - Write a Java loop that will read a list of numbers...Ch. 4.2 - What output is produced by the following code? for...Ch. 4.2 - What output is produced by the following code? for...Ch. 4.2 - What output is produced by the following code? for...Ch. 4.2 - Revise the loop shown in Listing 4.6 to use a...Ch. 4.2 - What is the bug in the code in the section Tracing...Ch. 4.2 - Add some suitable output statements to the...Ch. 4.2 - What is the bug in the code in the previous...Ch. 4.2 - Prob. 24STQCh. 4.2 - Suppose that you did not have assertion checking...Ch. 4.3 - Prob. 26STQCh. 4 - Write a fragment of code that will read words from...Ch. 4 - Develop an algorithm for computing the...Ch. 4 - Develop an algorithm for a simple game of guessing...Ch. 4 - Write a fragment of code that will compute the sum...Ch. 4 - Convert the following code so that it uses nested...Ch. 4 - Write a for statement to compute the sum 1 + 22 +...Ch. 4 - (Optional) Repeat the previous question, but use...Ch. 4 - Write a loop that will count the number of blank...Ch. 4 - Write a loop that will create a new string that is...Ch. 4 - Write a program that will compute statistics for...Ch. 4 - Suppose we attend a party. To be sociable, we will...Ch. 4 - Define an enumeration for each of the months in...Ch. 4 - Write a fragment of code that computes the final...Ch. 4 - Suppose that you work for a beverage company. The...Ch. 4 - Suppose that we want to compute the geometric mean...Ch. 4 - Prob. 16ECh. 4 - Create an applet that draws a pattern of circles...Ch. 4 - Prob. 18ECh. 4 - What does the following fragment of code display?...Ch. 4 - Repeat Practice Program 4 of Chapter 3, but use a...Ch. 4 - Write a program that implements your algorithm...Ch. 4 - Repeat Practice Program 5 of Chapter 3, but use a...Ch. 4 - Write a program to read a list of nonnegative...Ch. 4 - Write a program to read a list of exam scores...Ch. 4 - Combine the programs from Programming Projects 5...Ch. 4 - Write a program that simulates the Magic 8 Ball...Ch. 4 - Whats for dinner? Let the computer decide. Write a...Ch. 4 - Write a program that implements your algorithm...Ch. 4 - Prob. 2PPCh. 4 - Write a program that reads a bank account balance...Ch. 4 - Modify Programming Project 5 from Chapter 2 to...Ch. 4 - Write a program that asks the user to enter the...Ch. 4 - Write a program that simulates a bouncing ball by...Ch. 4 - You have three identical prizes to give away and a...Ch. 4 - Prob. 9PPCh. 4 - Holy digits Batman! The Riddler is planning his...Ch. 4 - Your country is at war and your enemies are using...Ch. 4 - Prob. 12PPCh. 4 - Prob. 13PPCh. 4 - Prob. 14PPCh. 4 - Prob. 15PPCh. 4 - Prob. 16PP
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- • Use a while loop • Use multiple loop controlling conditions • Use a boolean method • Use the increment operator • Extra credit: Reuse earlier code and call two methods from main Details: This assignment will be completed using the Eclipse IDE. Cut and paste your code from Eclipse into the Assignment text window. This is another password program. In this case, your code is simply going to ask for a username and password, and then check the input against four users. The program will give the user three tries to input the correct username-password combination. There will be four acceptable user-password combinations: • alpha-alpha1 • beta-beta1 • gamma-gamma1 • delta - delta1 If the user types in one of the correct username-password combinations, then the program will output: "Login successful." Here are a couple of example runs (but your code needs to work for all four user-password combinations): Username: beta Type your current password: beta1 Login successful. Username: delta Type…arrow_forwardPlace Values Manipulating values from a series of numbers is fun, but let's try exploring the use of loops a little more. How about printing out each digit of a number starting from its rightmost digit, going to its leftmost digit? Instructions: Input a non-zero positive integer. Using while loop, print out each digit of the inputted integer in separate lines, starting from its rightmost digit until the leftmost digit of the number. Tip #1: Use % 10 to get the rightmost digit. For example, if you do 412 % 10, then the result would be the rightmost digit, which is 2. Tip #2: On the other hand, use / 10 to remove the rightmost digit. For example, if you do 412 / 10, then the result would be 41. Tip #3: You'd have to repeat Tip #1 and Tip #2 inside the while() loop for this problem while the inputted integer is not yet 0. Input A line containing an integer. 214 Output Multiple lines containing an integer. 4 1 2arrow_forwardWrite an expression that executes the loop while the user enters a number greater than or equal to 0. Note: These activities may test code with different test values. This activity will perform three tests, with user input of 9, 5, 2, -1, then with user input of 0, -17, then with user input of 0 1 0 -1. See "How to Use zyBooks". Also note: If the submitted code has an infinite loop, the system will stop running the code after a few seconds, and report "Test aborted." 367012.2549490.qx3zqy7 1 import java.util.Scanner; 2 3 public class NonNegativelooper { public static void main (String [] args) { 4 5 Scanner scnr new Scanner(System.in); int userNum; 7 8 userNum scnr.nextInt(); 9. while (* Your solution goes here System.out.println("Body"); scnr.nextInt(); 10 11 12 userNum } System.out.println("Done."); } 13 14 15 16 }arrow_forward
- the loop doesnt start back when i press yes, it just keeps asking the question again? how do i fix this issuearrow_forwardDO NOT COPY FROM OTHER WEBSITES. Correct and detailed answer will be Upvoted else downvoted. Thank you!arrow_forwardCome up with a nested loop that prints the following table of numbers out. Don’t worry about getting the columns lined up properly (you can use \t after each number to help). 1 2 3 4 5 2 4 6 8 10 3 6 9 12 15 4 8 12 16 20 5 10 15 20 25 This is effectively a multiplication table, where each number is its row number * its column number. To get this, you can take the 1 2 3 4 example pattern from the slides and modify it. Make it 5 rows instead of 4 and adjust the columns to print 1-5 instead of 1-4. Lastly, modify the print statement to print the row number * the column number instead.arrow_forward
- Implement the following: Write a loop that prints out the following numbers. Make sure to precisely match the output format below.Write your code in the ANSWER area provided below (must include comments if using code is not covered in the course). Example Output8 15 22 29 36 43 50 57 64 71 78arrow_forwardConsider the code below and select all that apply: X = 0 while True: if x % 2==1: break X=X+2 print(x) a. b. C. d. e. This is an infinite loop. The iterating variable changes but it is always even. The iterating variable never changes. The loop is executed once and prints the value of x as 1. The break command is never called.arrow_forwardcan you please do this in java eclipse ide thank youarrow_forward
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