JAVA EXAMPLE PROGRAMS

JAVA EXAMPLE PROGRAMS

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Java While Loop


The while loop or while statement continually executes a block of statements while a particular condition is true. The while syntax can be written as:

while (expression) {
      statement(s)
}

The while loop evaluates expression, which must return a boolean value. If the while loop expression returns true, then the statements with in the while block will be executed. The while loop continuesly executes the statements within the block, until the expression returns false.

Here is a simple while loop example, which executes until i value became 10:

package com.java2novice.loops;

public class SimpleWhileEx {

	public static void main(String a[]){
		int i=0;
		while(i < 10){
			//this block will executed until
			//i value became 10
			System.out.print(i+" ");
			i=i+1;
		}
	}
}

Output:
0 1 2 3 4 5 6 7 8 9 
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Java Loop Examples

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About Author

I'm Nataraja Gootooru, programmer by profession and passionate about technologies. All examples given here are as simple as possible to help beginners. The source code is compiled and tested in my dev environment.

If you come across any mistakes or bugs, please email me to [email protected].

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Reference: Java™ Platform Standard Ed. 7 - API Specification | Java™ Platform Standard Ed. 8 - API Specification | Java is registered trademark of Oracle.
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