问题 1480: 蓝桥杯算法提高VIP-模拟计算器

import java.util.Scanner;

public class Prog1480 {

public static void main(String[] args) {

Scanner scan = new Scanner(System.in);

int n = scan.nextInt();

int m = scan.nextInt();

String ch = scan.next();

int sum = 0;

switch (ch) {

case "+":

sum = n + m;

break;

case "-":

sum = n - m;

break;

case "*":

sum = n * m;

break;

case "/":

sum = n / m;

break;

default:

sum = n % m;

break;

}

System.out.println(sum);

}

}