Java Program to calculate cube(^3) of a given number

//Program to calculate cube(^3) of a given number
import java.util.*;
class cube
     {
public static void main(String args[])
      {
    int n,cube;
    System.out.println("\n Enter a number to find its cube:");
    Scanner obj=new Scanner(System.in);
    n=obj.nextInt();
    cube=n*n*n;
    System.out.println("\n\t"+n+" ^ 3 = "+cube);
    System.out.println();
     }
    }