package com.bdqn.dome1;
public class Calculator {
public int add(int num1,int num2){
return num1+num2;
}
public int minus(int num1,int num2){
return num1-num2;
}
public int multiple(int num1,int num2){
return num1*num2;
}
public int divide(int num1,int num2){
return num1/num2;
}
}
package com.bdqn.dome1;
import java.util.Scanner;
public class Calculator2 {
public static void main(String[] args) {
Calculator a =new Calculator();
Scanner input =new Scanner(System.in);
System.out.println("请输入第一个算数数字:");
int num1 =input.nextInt();
System.out.println("请输入第二个算数数字:");
int num2 =input.nextInt();
System.out.println("请输入进行的数字");
String c = input.next();
switch (c) {
case "+":
System.out.println("加"+a.add(num1, num2));
break;
case "-":
System.out.println("减"+a.minus(num1, num2));
break;
case "*":
System.out.println("乘"+a.multiple(num1, num2));
break;
case "/":
System.out.println("除"+a.divide(num1, num2));
break;
default:
break;
}
}
}