java program that get two number from user and calculate the sum (Java) (166)

package com.company;
import java.util.Scanner;
public class Program3 {
    public static void main(String[] args) {
        System.out.println("user input");
        Scanner obj=new Scanner(System.in);
        System.out.println("please enter first number:");
        int a=obj.nextInt();
        System.out.println("please enter the second number:");
        int b=obj.nextInt();
        int sum=a+b;
        System.out.print("sum of two numbers are:");
        System.out.println(sum);
    }
}