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バージョン2.1までのEJB（Enterprise Java Beans）は何かと批判の高いテクノロジーだった。 パフォーマンスに対する批判にはじまり、アプリケーションの作りづらさ、扱いも難しいという批判は多くの開発者がEJB採用を躊躇するものだった。エンタープライズ向け ...

Developers Summit 2026・Dev x PM Day 講演資料まとめ Developers Boost 2025 講演資料まとめ Developers X Summit 2025 講演資料まとめ Developers Summit 2025 FUKUOKA 講演関連資料まとめ Developers Summit 2025 KANSAI 講演関連資料まとめ ...

Developers Summit 2026・Dev x PM Day 講演資料まとめ Developers Boost 2025 講演資料まとめ Developers X Summit 2025 講演資料まとめ Developers Summit 2025 FUKUOKA 講演関連資料まとめ Developers Summit 2025 KANSAI 講演関連資料まとめ ...

Java Enterprise Edition, or Java EE (previously called J2EE), is a powerful but notoriously complex platform for developing server-side applications. Since its early days, complexity has long been ...

EJB 3.0 From a programming-model point of view, EJB 3 is revolutionary, not evolutionary. The EJB 3 specification is similar to EJB 2.1 behind the scenes, but the changes in the component model and ...

This series of articles is a preview of the changes the EJB 3.1 expert group is working on for the next version of the Java EE specification. The idea is to give you a head's up on the changes as well ...