Java Programming Tutorial - Building a Basic Calculator

import java.util.Scanner; 

public class apples{

public static void main(String args[]) {

Scanner thileban = new Scanner (System.in);

double fnum, snum, answer;

System.out.println("Enter first num: ");

fnum = thileban.nextDouble(); 

System.out.println("Enter second num: ");

snum = thileban.nextDouble();

answer = fnum+snum;

System.out.println(answer);

} }