いつもおっしゃっている通り、本を先に読んでから講義を見ると、本当に良いです！より理解もしやすくなります！とても良い講義をありがとうございます！次の講義も楽しみにしています！

rojojun

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。この講義を受講すると、Javaプログラミングの知識とスキルだけでなく、学習能力も向上します。

whiteship

エフェクティブJava完璧攻略パート3

자바

이펙티브자바

백엔드개발자

개발스터디

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

입문

초급

중급이상

Java

Effective Java Complete Guide Part 3

Effective Java Complete Guide 3

Item 34. Use enum types instead of int constants.

Item 35. Use instance fields instead of the ordinal method.

Item 36. Use EnumSet instead of bit fields.

Item 37. Use EnumMap instead of ordinal indexing.

Item 38. Use interfaces if you need extensible enum types.

Item 39. Use annotations instead of naming patterns.

Item 40. Use the @Override Annotation Consistently.

Item 41. Use marker interfaces if what you are defining is a type.

Item 42. Use Lambdas Instead of Anonymous Classes.

Item 43. Prefer method references to lambdas.

Item 44. Use standard functional interfaces.

Item 45. Use Streams with caution.

Item 46. Use functions without side effects in streams.

Item 47. Prefer Collections to Streams as Return Types

Item 48. Apply stream parallelization with caution.

Item 49. Validate parameters.

Item 50. Make defensive copies when appropriate.

Item 51. Design method signatures carefully.

Item 52. Use overloading judiciously.

Item 53. Use varargs sparingly.

Item 54. Return empty collections or arrays, not null.

Item 55. Return Optionals Carefully.

Item 56. Always write documentation comments for public API elements.