Read a number and print your square in java language

Question

help me...this is homework.

Answer 1

System.out.print(num*num);

Answer 2

I'll assume you mean the square of the input:

import java.util.Scanner;

public class Program
{
public static void main(String[] args) {
Scanner scan = new Scanner(System.in);
int i = scan.nextInt();
System.out.println(Math.pow(i, 2));
}
}