Java Loops

Loop Basics

100

What is a loop in programming?

A structure that repeats a block of code while a condition is true.

200

What keyword can you use to immediately exit a loop?

break

300

What do you call a loop that never ends?

An infinite loop.

While Loop

100

Will this loop run?
 int x = 10; while(x < 5) { x++; }

No

200

What happens if you forget to update the loop variable?

The loop may become infinite.

300

True or False: You must use a counter in every while loop.

False

For Loop

100

True or False: The update statement in a for loop is optional.

True

200

What type must the loop counter be?

Any numeric type (e.g., int, double)

300

Fix the error:
 for(int i = 1; i <= 5; i--)

Change i-- to i++ to avoid infinite loop.