// Program that implements the arithmetic operation (Calculator) using switch statement.

import java.util.Scanner;

public class Calculator {
    public static void main(String[] args) {

        char operator;
        Double number1, number2, result;
        Scanner input = new Scanner(System.in);
        System.out.println("Type the operator you want to use: +, -, *, or /");
        operator = input.next().charAt(0);
        System.out.println("Enter first number");
        number1 = input.nextDouble();
        System.out.println("Enter second number");
        number2 = input.nextDouble();
        switch (operator) {
            case '+':
            result = number1 + number2;
            System.out.println(number1 + " + " + number2 + " = " + result);
            break;

            case '-':
            result = number1 - number2;
            System.out.println(number1 + " - " + number2 + " = " + result);
            break;

            case '*':
            result = number1 * number2;
            System.out.println(number1 + " * " + number2 + " = " + result);
            break;

            case '/':
            result = number1 / number2;
            System.out.println(number1 + " / " + number2 + " = " + result);
            break;

            default:
            System.out.println("Invalid operator!");
            break;
        }
        input.close();
    }
}