Scanning Variables and Building a Besic Calculator

Program:

import java.util.Scanner;
public class applles{
public static void main(String args[]){
Scanner moni = new Scanner(System.in);
double fnum,snum,answer;
System.out.println("enter first number: ");
fnum = moni.nextDouble();
System.out.println("enter the Second number: ");
snum=moni.nextDouble();
answer=fnum+snum;
System.out.println(answer);
}
}

Screenshots:

Program

output