【作业】第六章 面向对象基础

//计算器简单的加减乘除
import java.util.Scanner;

public class Calculator {
    public static void main(String[] args){
        int jieShu=1;
        do {
            Scanner input = new Scanner(System.in);
            JiSuan jiSuan = new JiSuan();
            System.out.print("请输入你要作的运算（+-*/）：");
            jiSuan.fuHao = input.next();
            System.out.print("请输入您要运算的第一个数：");
            jiSuan.num1 = input.nextDouble();
            System.out.print("请输入您要运算的第二个数：");
            jiSuan.num2 = input.nextDouble();
            System.out.println("结果为：" + jiSuan.num1 + jiSuan.fuHao + jiSuan.num2 + "=" + jiSuan.cound());
            System.out.print("输入0继续计算:");
            jieShu = input.nextInt();
        }while(jieShu==0);
        System.out.println("谢谢使用");

    }
}
class JiSuan{
    double sum,num1,num2;
    String fuHao;
    public double cound(){
        switch(fuHao){
            case "+":
                sum = num1 + num2;
                break;
            case "-":
                sum = num1 - num2;
                break;
            case "*":
                sum = num1 * num2;
                break;
            case "/":
                sum = num1 / num2;
                break;
        }
        return sum;
    }
}