티스토리로 이전 https://gyulpiki.tistory.com/entry/%EC%88%A8%EC%96%B4%EC%9E%88%EB%8A%94-%EC%88%AB%EC%9E%90%EC%9D%98-%EB%8D%A7%EC%85%88-2-Java-%ED%94%84%EB%A1%9C%EA%B7%B8%EB%9E%98%EB%A8%B8%EC%8A%A4-%EC%9E%85%EB%AC%B8