{"componentChunkName":"component---src-templates-post-template-jsx","path":"/history/posts/2020-10-04--003--05","result":{"data":{"site":{"siteMetadata":{"title":"Blog by Eunyoung","subtitle":"작업 기록 블로그","copyright":"© All rights reserved.","author":{"name":"EunYoung","twitter":"#"},"disqusShortname":"","url":"https://ssongey.github.io"}},"markdownRemark":{"id":"d302186b-4cb1-5cd6-9529-4f32efc57074","html":"

아이템5) 자원을 직접 명시하지 말고 의존 객체 주입을 사용하라

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public class SpellChecker {\n  private final Lexicon dictionary;\n  public SpellChecker(Lexicon dictionary) {\n    this.dictionary = Objects.requiredNonNull(dictionary);\n  }\n\n  public boolean isValid(String word) {...}\n  public List<String> suggestions(String typo) {...}\n}
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생성자에 자원 팩터리를 넘겨주는 방식 (Factory Method Pattern)

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Mosaic create(Supplier<? extens Tile> tileFactory) { ... }
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참고
\n","fields":{"tagSlugs":["/tags/책리뷰/","/tags/이펙티브자바/"],"slug":"/history/posts/2020-10-04--003--05"},"frontmatter":{"title":"[책리뷰/Effective Java] 객체 생성과 파괴","tags":["책리뷰","이펙티브자바"],"date":"2020-10-04","description":"아이템5) 자원을 직접 명시하지 말고 의존 객체 주입을 사용하라"}}},"pageContext":{"slug":"/history/posts/2020-10-04--003--05"}},"staticQueryHashes":[]}