20171109 - 03 - classEx_01

package myApp;

import java.util.Scanner;

public class class03_01 {

    public static void main(String[] args) {
        //init vars
        int n = 0;

        //usage msg
        System.out.println("Integer: ");

        //open in_Stream, parse & close
        Scanner s = new Scanner(System.in);
        n = s.nextInt();
        s.close();

        //output n , n^2
        System.out.printf("%d , %d", n, n*n);
    }

}