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Understanding Increment Operators in a Loop

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Understanding Increment Operators in a Loop

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Questions and Answers

What is the purpose of the 'if...else' statement in the context of the provided text?

To loop through input values

To increment 'passes' and 'failures' (correct)

To output the message 'Bonus to the instructor!'

To determine whether 'count' should increment

In the context of compound assignment operators, what does the statement 'v += 10;' abbreviate?

v = v + 10; (correct)

v = v * 10;

v = v / 10;

v = v - 10;

How is the unary decrement operator '--' used in Java?

To multiply the value of a numeric variable by -1

To double the value of a numeric variable

To subtract 1 from the value of a numeric variable (correct)

To add 1 to the value of a numeric variable

What happens immediately after 'count' increments before the loop condition is tested again?

The loop terminates Signup and view all the answers

How many compound assignment operators are mentioned in the provided text?

One Signup and view all the answers

What is the purpose of the last if statement in the context provided?

To determine if more than eight students passed the exam Signup and view all the answers

What is another name for repetition statements in programming?

Loop statements Signup and view all the answers

In the context of Java's while repetition statement, what does the loop body refer to?

The block of code inside the while statement Signup and view all the answers

What is used to control the number of times a set of statements will execute in counter-controlled repetition?

Counter variable Signup and view all the answers

Which element defines when the loop body will stop executing in a while repetition statement?

Condition Signup and view all the answers

What is the primary purpose of counter-controlled repetition in algorithm development?

To control the number of iterations of a loop Signup and view all the answers

In pseudocode, what is used to input grades one at a time in counter-controlled repetition?

Control variable Signup and view all the answers

In the program described, what happens during each iteration of the while loop?

A new student is prompted to enter an exam result Signup and view all the answers

What is the purpose of nesting the if...else statement within the while loop in this program?

To determine if a student passed or failed the exam Signup and view all the answers

How many times does the while loop iterate in this program?

What is the role of the student counter in this program?

To keep track of how many students have taken the exam Signup and view all the answers

What does the else part of the if...else statement do in this program?

Adds one to failures Signup and view all the answers

Why does the program require a while loop?

To iterate through the list of students Signup and view all the answers