Tugas Kalkulator

/**
 * @Haniif Ahmad Jauhari
 * @version 1.0 17 Maret 2021
 */
import java.util.Scanner;

public class Kalkulator
{
   public static void main(String[]args){
        Scanner input = new Scanner(System.in);

        double number1, number2;
        char operator;

        System.out.println("Pilih Operator +, -, *, atau /: ");
        operator = input.next().charAt(0);

        System.out.println("Masukkan bilangan pertama: ");
        number1 = input.nextDouble();

        System.out.println("Masukkan bilangan kedua: ");
        number2 = input.nextDouble();

        switch(operator){
            case '+':
                System.out.println(number1 + " + " + number2 + " = " + (number1 + number2));
                break;
            case '-':
                System.out.println(number1 + " - " + number2 + " = " + (number1 - number2));
                break;
            case '*':
                System.out.println(number1 + " * " + number2 + " = " + (number1 * number2));
                break;
            case '/':
                System.out.println(number1 + " / " + number2 + " = " + (number1 / number2));
                break;
        }
    }
}