* 겪고 있는 문제 상황을 최대한 자세하게 작성해주세요.

* 문제 해결을 위해 어떤 시도를 해보았는지 구체적으로 함께 알려주세요.

메모에 있는 테스트코드 그대로 복사해서 넣고 실행시켰는데 오류가 났어요 왜 그런걸까요?

작성한 코드 및 에러 메세지

오류 발생 시, 작성한 코드 전체와 에러 메시지를 첨부해 주세요.

</작성한 코드/>
package com.sparta.springprepare.calculator;

import org.junit.jupiter.api.Assertions;
import org.junit.jupiter.api.DisplayName;
import org.junit.jupiter.api.Test;

class CalculatorTest {
    @Test
    @DisplayName("더하기 테스트")
    void test1() {
        Calculator calculator = new Calculator();
        Double result = calculator.operate(8, "+", 2);
        System.out.println("result = " + result);

        Assertions.assertEquals(10, result);
    }

    @Test
    @DisplayName("나누기 테스트")
    void test2() {
        Calculator calculator = new Calculator();
        Double result = calculator.operate(8, "/", 2);
        System.out.println("result = " + result);

        Assertions.assertEquals(4, result);
    }
}
</오류/>

> Task :compileJava UP-TO-DATE
> Task :processResources UP-TO-DATE
> Task :classes UP-TO-DATE
> Task :compileTestJava FAILED
C:\Users\user\Desktop\���ĸ�Ÿ ������\week1\spring-prepare\src\test\java\com\sparta\springprepare\calculator\calculatorTest.java:11: error: cannot find symbol
        Calculator calculator = new Calculator();
        ^
  symbol:   class Calculator
  location: class CalculatorTest
C:\Users\user\Desktop\���ĸ�Ÿ ������\week1\spring-prepare\src\test\java\com\sparta\springprepare\calculator\calculatorTest.java:11: error: cannot find symbol
        Calculator calculator = new Calculator();
                                    ^
  symbol:   class Calculator
  location: class CalculatorTest
C:\Users\user\Desktop\���ĸ�Ÿ ������\week1\spring-prepare\src\test\java\com\sparta\springprepare\calculator\calculatorTest.java:21: error: cannot find symbol
        Calculator calculator = new Calculator();
        ^
  symbol:   class Calculator
  location: class CalculatorTest
C:\Users\user\Desktop\���ĸ�Ÿ ������\week1\spring-prepare\src\test\java\com\sparta\springprepare\calculator\calculatorTest.java:21: error: cannot find symbol
        Calculator calculator = new Calculator();
                                    ^
  symbol:   class Calculator
  location: class CalculatorTest
4 errors
FAILURE: Build failed with an exception.
* What went wrong:
Execution failed for task ':compileTestJava'.
> Compilation failed; see the compiler error output for details.
* Try:
> Run with --info option to get more log output.
> Run with --scan to get full insights.
BUILD FAILED in 912ms
3 actionable tasks: 1 executed, 2 up-to-date