OpenJDK proposal would replace ASM with an up-to-date and performant API for parsing, generating, and transforming Java class files.

Java 24 adds several new features to the language, such as the availability of the Stream Gatherers API and Class-File API, ...

The understanding of Java class file format helped me to search the hex value in a specific part of class file. Now I opened the class file using a HEX Editor and searched for the above opcode and ...

Java 22 arrives with previews of scoped values, structured concurrency, stream gatherers, and the ability to execute multi-file programs.

In this article Rafael Winterhalter, creator of the bytecode manipulation tool Byte Buddy, provides detailed guidance on how to easily create Java agents using Byte Buddy.