public class Example5
{
    public static void main(String [] args)
    {
        int i;

        for (i = 0; i < 4; i++)
            System.out.print("i=" + i + ", ");
        System.out.println();

       i = 0; 
       while(i < 4)
       {
           System.out.print("i=" + i + ", ");
           i = i + 1;
       }
       System.out.println();
    }
}