June 2018
Beginner to intermediate
184 pages
3h 30m
Korean
Content preview from 자바로 배우는 핵심 자료구조와 알고리즘: 기술 면접에 필요한 실용주의 자료구조와 알고리즘
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21
1
장
인터페이스
반면에 인터페이스가 변경되면 인터페이스를 의존하는 코드는 변경되어야 합니다. 이것이 꼭
필요한 일이 아니면 라이브러리 개발자가 인터페이스를 변경하지 않는 이유입니다.
1.4
실습
1
첫 번째 실습이므로 간단하게 하겠습니다. 앞 절의 코드를 가져와서 구현만 바꿉니다. 즉,
LinkedList
를
ArrayList
클래스로 교체합니다. 코드는 인터페이스로 프로그래밍하므로 한
줄만 변경하고
import
문만 추가하면 됩니다.
먼저 개발 환경을 설정합니다. 모든 실습을 위해 자바 코드를 컴파일하고 실행할 수 있어야 합
니다. 이 책의 코드는 자바
7
로 개발하였습니다. 이보다 더 최신 버전에서는 잘 동작하지만, 하
위 버전이라면 일부 코드가 동작하지 않을 수 있습니다.
문법 체크와 자동 완성, 소스 코드 리팩토링 기능을 제공하는 통합 개발 환경
interactive
development
environment
,
IDE
사용을 권장
1
합니다. 이러한 기능은 오류를 피하거나 즉시 발견할 수 있게 도와줍
니다. 하지만 기술 면접에서는 이러한 도구가 제공되지 않습니다. 따라서 이러한 도구 없이도
코딩할 수 있어야 합니다.
이 책의 예제 코드를 아직 다운로드하지 않았다면
8
쪽 예제 코드에서 설명한 내용을 참고하기
바랍니다.
code
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.