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StableValueって、不変値のレイジーロードってことでいいのかな。これもよく自作する奴だけど、こういうのがJavaAPIで用意されるのはありがたい。
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JavaAPIのドキュメント読め、と言われた例は複数観測している RFCも、公式サイトも、存在することと、その意味は、新人に教えないとダメでしょう。 社内製作のマニュアルだけが学習ソースなんて世界もあることはあるけれど
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🚀 Java API Tip 🚀 StackWalker StackWalker allows you to traverse the stack frames and introspect them, making it useful for debugging and profiling. 🔥 docs.oracle.com/en/java/java… #Java #JavaAPI
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2 Jul 2025
プログラミング学習にJavaを選ぶのはやっぱりいい選択だと思う! オブジェクト指向に厳密だし、型についても学べて、JavaAPIも他に潰しのきく知識になると思う。 流行りの言語や簡単に書ける言語とか色々あるけど、やっぱり知識面を優先するならJavaかな! 言語自体の開発者もJavaを経験してるはず
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🔄 From token generation to verification—master the full JWT lifecycle in Java. Your secure APIs will thank you. #JavaAPI
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🚀 Java API Tip 🚀 Java 9 introduced the Reactive Streams API. 🔥 docs.oracle.com/en/java/java… #JavaApi
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🚀Java API Tip 🚀 StreamSupport Harness the full potential of Java streams. Convert iterators and collections into streams and vice versa. 🔥 docs.oracle.com/en/java/java… #Java #JavaApi

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🚀 Java API Tip 🚀 EnumSet and EnumMap docs.oracle.com/en/java/java… docs.oracle.com/en/java/java… Use EnumSet and EnumMap for efficient handling of enums. They provide high-performance implementations specifically designed for enum types. 🔥 #Java #JavaAPI

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🚀Java Multithreading - CompletableFuture 🚀 CompletableFuture allows you to work with asynchronous operations. Here's an example of creating a future and chaining operations. 🔥 docs.oracle.com/en/java/java… #Java #JavaAPI
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🚀Java API Tip 🚀 StreamSupport Harness the full potential of Java streams. Convert iterators and collections into streams and vice versa. 🔥 docs.oracle.com/en/java/java… #Java #JavaApi

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🚀 Java API Tip 🚀 java.util.IdentityHashMap Unlike HashMap, this class uses reference equality (==) rather than object equality (equals()) to determine key uniqueness, making it suitable for specific use cases. 🔥 docs.oracle.com/en/java/java… #Java #JavaAPI

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Replying to @igz0
私の考えではOracle社がSunMicrosystemsを買収しJavaの権利を獲得し まずGoogleとJavaAPIのライセンス訴訟をおこし その後、Javaランタイムを有償化した事が Javaが批判にあい下火になった原因だと思います プログラマ的には、Java7まで古臭い言語仕様を貫いた事が悪印象でした
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🚀 Java API Tip 🚀 EnumSet and EnumMap docs.oracle.com/en/java/java… docs.oracle.com/en/java/java… Use EnumSet and EnumMap for efficient handling of enums. They provide high-performance implementations specifically designed for enum types. 🔥 #Java #JavaAPI

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🚀 Java API Tip 🚀 java.nio.file.WatchService Monitor file system events in real-time. Detect changes to files and directories in a platform-independent way.🔥 docs.oracle.com/en/java/java… #Java #JavaAPI

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🚀 Java API Tip 🚀 java.util.IdentityHashMap Unlike HashMap, this class uses reference equality (==) rather than object equality (equals()) to determine key uniqueness, making it suitable for specific use cases. 🔥 docs.oracle.com/en/java/java… #Java #JavaAPI

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🚀 Java API Tip 🚀 java.nio.file.WatchService Monitor file system events in real-time. Detect changes to files and directories in a platform-independent way. 🔥 docs.oracle.com/en/java/java… #Java #JavaAPI

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