basic calculator

import java.util.Scanner; //import scanner to be able to read data from user.

public class program1
{

    public static void main(String[] args)
    {
        //Basic calculator

        double num1, num2, sum;

        Scanner user_input = new Scanner(System.in);

        System.out.print("Number 1: ");
        num1 = user_input.nextDouble(); //nextDouble() scans the input as a double. A number with decimals.

        System.out.print("Number 2: ");
        num2 = user_input.nextDouble();

        sum = num1 + num2;

        System.out.printf("Sum: ", sum); //println() Not capable of printing string and double in the same parameter so i used printf()
    }

}