how to give square in java

1import java.util.*;
2public class Square {
3    public static void main(String args[]){
4        Scanner sc=new Scanner(System.in);
5        int num;
6     
7        System.out.print("Enter an integer number: ");
8        num=sc.nextInt();
9     
10        System.out.println("Square of "+ num + " is: "+ Math.pow(num, 2));
11        
12    }
13}