#while loop syntax

The Java while loop is a control flow statement, used to iterate a part of the program several times. It preferred when the number of iteration is not fixed.

See Also: Java: Types of Looping Statements

Syntax:

while(condition){ //code to be executed }

Flow chart for while loop

Example: Print even numbers between 1 to 20.

This is the same example written in for loopalso in the previous post.