OpenJDK 23 has been released on a six-monthly cycle. Like its predecessor, the release brings twelve Java Enhancement Proposals (JEP), most of which are in the preview phase. However, string templates ...

In a previous Java 101 tutorial, you learned how to better organize your code by declaring reference types (also known as classes and interfaces) as members of other reference types and blocks. I also ...

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As an alternative to rewriting the same code, many software development environments provide a library tool that organizes frequently used code. Once developers finish debugging some reusable code, ...

ここではJavaのバイトコード操作ライブラリ、Javassistとjava.lang.instrumentのpremainの仕組みを使用して、Javaアプリケーションにフックを設置する方法を、サンプルを交えながら解説します。 もっと短く言うと、Javaアプリに追加の処理を差し込んでみよう！