//
//This program prompts the user to enter two numbers and an operator, performs the appropriate calculation, and prints the result. You can compile and run the program using the following commands:
//
//
//javac Calculator.java
//java Calculator

import java.util.Scanner;

public class Calculator {
    public static void main(String[] args) {
        Scanner input = new Scanner(System.in);
        double num1, num2, result;
        char operator;

        System.out.print("Enter first number: ");
        num1 = input.nextDouble();

        System.out.print("Enter second number: ");
        num2 = input.nextDouble();

        System.out.print("Enter operator (+, -, *, /): ");
        operator = input.next().charAt(0);

        switch(operator) {
            case '+':
                result = num1 + num2;
                System.out.println(num1 + " + " + num2 + " = " + result);
                break;
            case '-':
                result = num1 - num2;
                System.out.println(num1 + " - " + num2 + " = " + result);
                break;
            case '*':
                result = num1 * num2;
                System.out.println(num1 + " * " + num2 + " = " + result);
                break;
            case '/':
                result = num1 / num2;
                System.out.println(num1 + " / " + num2 + " = " + result);
                break;
            default:
                System.out.println("Invalid operator");
                break;
        }
    }
}