for while java code example

Example 1: do while loop java

do while loop java executes the statements and then evaluates the 
expression/condition of loop’s body until given condition is true.
Here’s do while loop syntax in java.

// do while loop java
do{
   statement(s);
}while(expression/condition);

Example 2: 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++;
      }
   }
}