문제 1 GET API

1. 덧셈

package com.group.libraryapp.controller.calculator;

import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;

@RestController
public class CalculatorController {

    @GetMapping("/add") //Get/add
    public int addTwoNumbers(
            @RequestParam  int number1,
            @RequestParam int number2
    ){
        return number1 + number2;
    }

2. 뺄셈

3. 곱셈

@PostMapping("/multiply")
    public int multiplyTwoNumber(@RequestBody CalculatorMultiRequest request) {
        return request.getNumber1 ()* request.getNumber2();
    }