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Java学習の終盤王「エフェクティブJava」をより簡単で完璧に学習しましょう。
この講義を受講すれば、あなたのJavaプログラミングの知識とスキルだけでなく、学習能力も向上させることができます。

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エフェクティブJava完璧攻略パート1

Learn “Effective Java,” the ultimate Java learning guide, more easily and completely. By taking this course, you can improve not only your Java programming knowledge and skills, but also your learning ability.

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Effective Java Complete Guide Part 1

Effective Java Complete Guide 1

Item 1. Consider static factory methods instead of constructors.

Item 2. Consider a builder when constructors have many parameters.

Item 3. Enforce singleton with constructor or enum.

Item 4. To prevent instantiation, use a private constructor

Item 5. Prefer dependency injection to hardwiring resources

Item 6. Avoid Unnecessary Object Creation

Item 7. Eliminate obsolete object references.

Item 8. Avoid Finalizers and Cleaners

Item 9. Prefer try-with-resources to try-finally.

Item 10. Override `equals` following the general contract

Item 11. Always override hashCode when you override equals

Item 12. Always override toString

Item 13. Override clone with caution

Item 14. Consider Implementing Comparable