Question

wap to calculate square and cube of number without using any extra variable (only 1 variable) in java​

Answer 1

Answer:

import java.io.*;  

class GFG

{  

   public static void main(String[] args)

{  

         int n=5;

          n=n*n;

           System.out.println(" n^2 = " +n);  

          n=n*5;

          System.out.println(" n^3 = " +n);

   }  

}