class loops 
{

 public static void main(String Args[])
 {
    int i;
    
    for (i=0; i<5; i++)
    {
       System.out.println("for loop, i is " + i);
    }

    while (i>0)
    {
       System.out.println("while loop, i is " + i);
       i--;
    }

    do {
       System.out.println("do-while loop, i is " + i);
       i++;
    } while (i<5);

 }
}