Java Programming Tutorial Index

Loop Control Structures

Java while loops statement allows to repeatedly run the same block of code until a condition is met.

while loop is the most basic loop in Java. It has one control condition and executes as long the condition is true. The condition of the loop is tested before the body of the loop is executed; hence it is called an entry-controlled loop.

The basic format of while loop statement is:


While (condition)

Figure - Flowchart of while loop:


Example of a Java Program to Demonstrate while loop


public class Sample {

    public static void main(String args[]) {
        /* local variable Initialization */
        int n = 1, times = 5;

        /* while loops execution */
        while (n <= times) {
            System.out.println("Java while loops:" + n);

Program Output:


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