While Statement Quiz
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Questions and Answers

What is the purpose of the % operator in the PrimeNumber program?

  • To determine if one number is evenly divisible by another
  • To perform bitwise AND operation
  • To find the remainder when one number is divided by another (correct)
  • To multiply two numbers together

    • What happens when the condition in a while statement is false?

  • The loop body is executed repeatedly
  • The loop body is executed once, regardless of the condition
  • The loop body is not executed
  • The loop body is skipped, and the statement after the loop is executed (correct)

    • What is the purpose of the Scanner class in the PrimeNumber program?

  • To generate random numbers
  • To perform mathematical calculations
  • To format output for display
  • To read input from the user (correct)

    • What is the purpose of the following code: int num = -1; while (num < 0) { num = -1; }

    <p>To repeatedly set num to -1 as long as num is less than 0</p> Signup and view all the answers

    What is the result of the PrimeNumber program if the user sets the initial value to -2 and the limit value to 1?

    <p>The program will not run</p> Signup and view all the answers

    What is the purpose of the following code: while (num < 0); { num += 1; }

    <p>To repeatedly add 1 to num without any condition</p> Signup and view all the answers

    What is the purpose of the following code: while (num < 0) System.out.print('Enter a value: '); num = input;

    <p>To print 'Enter a value' if num is less than 0, and then take input</p> Signup and view all the answers

    What is the purpose of the following code: int num = -1; while (num < 0) { num = -1; }

    <p>To keep num as -1 indefinitely</p> Signup and view all the answers

    What happens when the condition in a while statement is false?

    <p>The loop body is skipped, and the loop terminates</p> Signup and view all the answers

    What is the purpose of the % operator in the PrimeNumber program?

    <p>To find the remainder when one number is divided by another</p> Signup and view all the answers

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