JClassLib不但是一个字节码阅读器而且还包含一个类库允许开发者读取,修改,写入Java Class文件与字节码。

https://github.com/ingokegel/jclasslib

jclasslib bytecode viewer

Purpose

jclasslib bytecode viewer is a tool that visualizes all aspects of compiled Java class files and the contained bytecode. In addition, it contains a library that enables developers to read and write Java class files and bytecode.

IntelliJ IDEA plugin

There is a plugin for IntelliJ IDEA that can be installed via the plugin manager. The action in the "View menu" can be invoked when a Java, Groovy or Kotlin file is open in the editor.

The bytecode will be shown in the "jclasslib" tool window on the right hand side. Multiple class files can be open at the same time.

License

jclasslib bytecode viewer is released under the GPL, Version 2.0.

Download

Installers can be downloaded from the releases section.