Lecture: Introduction to JAVA Loops

Question 1

What is the primary purpose of loops in programming?

Answer 1

To execute a set of instructions repeatedly

Question 2

Which of the following is NOT a type of loop in Java?

Answer 2

Until loop

Question 3

What is the syntax for a while loop in Java?

Answer 3

while (condition) { statements; }

Question 4

What will happen if the condition in a while loop is always true?

Answer 4

The loop will run indefinitely

Question 5

What is a common pitfall when using loops?

Answer 5

Infinite loops

Question 6

What does the increment/decrement part of a for loop do?

Answer 6

It updates the loop variable for the next iteration

Question 7

What will the following code snippet output?

int i = 0;
while (i <5) {
System.out.println(i);
i++;
}

Answer 7

0 1 2 3 4

Question 8

What are the components of a WHILE loop in Java?

Answer 8

Test and Update Expression

Question 9

When will the TEST EXPRESSION in a WHILE loop be evaluated?

Answer 9

Before each iteration

Question 10

What is the purpose of the UPDATE EXPRESSION in a WHILE loop?

Answer 10

increments or decrements the loop variable by some value