Powers Of Two.java in pgm

PowersOfTwo.java

public class PowersOfTwo 

{

public static void main(String[] args) 

{

        int N = Integer.parseInt(args[0]);

        int i = 0;                

        int powerOfTwo = 1;       

                     while (i <= N) 

 {

            System.out.println(i + " " + powerOfTwo);   

            powerOfTwo = 2 * powerOfTwo;                

            i = i + 1;

        }

     }

}