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Introduction to Java For Loop

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Questions and Answers

What is the purpose of the decrement operator in Java?

Increase the value of the operand by one

Decrease the value of the operand by one (correct)

Multiply the value of the operand by negative one

Assign a new value to the operand

In Java, what is a nested for loop?

A loop that modifies the values of variables within an array

A loop that contains another loop inside its body (correct)

A loop that runs only when a specific condition is met

A loop that sequentially executes code line by line

What happens to the inner loop in a nested for loop?

It runs completely whenever the outer loop runs (correct)

It stops after the first iteration of the outer loop

It executes only when the outer loop finishes

It skips every other iteration of the outer loop

Which item is not part of the output of the provided example?

Table of 4 is: 4 8 12 15 20 24 28 32 36 (A) Signup and view all the answers

Which of the following statements about loops in Java is correct?

Each iteration of a for loop modifies the iteration variable before entering the body. (D) Signup and view all the answers

What is essential for a nested for loop to execute properly?

'break' keyword at the end of the inner loop (D) Signup and view all the answers

How does a nested for loop differ from a regular for loop?

A nested for loop contains another loop within its body (C) Signup and view all the answers

What does the decrement operator in Java look like?

-- (A) Signup and view all the answers

What does the decrement operator in Java do?

Decreases its operand by one (B) Signup and view all the answers

What is a nested for loop in Java?

A loop that runs inside another loop (B) Signup and view all the answers

What does a nested for loop allow in Java?

It allows the inner loop to run completely with every iteration of the outer loop (A) Signup and view all the answers

Which of the following is an effect of having a nested for loop in Java?

The inner loop executes fully with each iteration of the outer loop (D) Signup and view all the answers

What is true about the execution of a nested for loop in Java?

The inner loop's execution depends on the outer loop (C) Signup and view all the answers

In a nested for loop, how does the inner loop relate to the outer loop's execution?

The inner loop runs once for every iteration of the outer loop (D) Signup and view all the answers

What is the result of using a decrement operator on a variable in Java?

The variable decreases by one (B) Signup and view all the answers