package com.math;
import java.util.Scanner;
public class MainClass {
    public static void main(String[] args) {
        System.out.println("Calculator beta v1.0\n" + "copyleft FishBone000\nContact: 1737933019@qq.com \\ q1737033019@gmail.com");
        System.out.println("Enter expression: ");
        Scanner scanner = new Scanner(System.in);
        while(true) {
            String input = scanner.nextLine();
            if(input.equals("exit")) break;
            double result = Calculator.calculate(input);
            System.out.println(result);
        }
        scanner.close();
    }
}

注：calculate(String expression)用于计算expression中的算式