while else in java code example

Example 1: while loop in java

public class WhileLoopDemo
{
   public static void main(String args[])
   {
      int a = 1;
      while(a < 10)
      {
         System.out.println(a);
         a++;
         System.out.print("\n");
      }
   }
}

Example 2: while loop in java

A while loop iterates a block of statements until condition is true. In a 
while loop condition is executed first.
Syntax:

while(condition)
{
   // code goes here
}

Example 3: do while jaca

do
{
  // do something
} while (true);

Example 4: while loop in java

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