while loop in java

1//runs as long as the condition is true
2while(condition){
3//do what you want in here
4doStuff()
5}

1do {
2	// loop content
3} while (/* condition */);

1// Java infinite while loop
2import java.util.*;
3public class WhileLoopExample
4{
5   public static void main(String[] args)
6   {
7      boolean value = true;
8      while(value)
9      {
10         System.out.println("Infinite loop");
11      }
12   }
13}

1public class WhileLoopDemo
2{
3   public static void main(String args[])
4   {
5      int a = 1;
6      while(a < 10)
7      {
8         System.out.println(a);
9         a++;
10         System.out.print("\n");
11      }
12   }
13}

1A while loop iterates a block of statements until condition is true. In a 
2while loop condition is executed first.
3Syntax:
4
5while(condition)
6{
7   // code goes here
8}

1// Iterate Array using while loop
2public class ArrayWhileLoop
3{
4   public static void main(String[] args) 
5   {
6      int[] arrNumbers = {2, 4, 6, 8, 10, 12};
7      int a = 0;
8      System.out.println("Printing even numbers: ");
9      while(a < 6)
10      {
11         System.out.println(arrNumbers[a]);
12         a++;
13      }
14   }
15}