| Java bytecode engineering toolkit |
| ### [Javassist version 3](http://www.javassist.org) |
| |
| Copyright (C) 1999-2018 by Shigeru Chiba, All rights reserved. |
| |
| Javassist (JAVA programming ASSISTant) makes Java bytecode manipulation |
| simple. It is a class library for editing bytecodes in Java; it enables Java |
| programs to define a new class at runtime and to modify a class file when the |
| JVM loads it. Unlike other similar bytecode editors, Javassist provides two |
| levels of API: source level and bytecode level. If the users use the source- |
| level API, they can edit a class file without knowledge of the specifications |
| of the Java bytecode. The whole API is designed with only the vocabulary of |
| the Java language. You can even specify inserted bytecode in the form of |
| source text; Javassist compiles it on the fly. On the other hand, the |
| bytecode-level API allows the users to directly edit a class file as other |
| editors. |
| |
| This software is distributed under the Mozilla Public License Version 1.1, |
| the GNU Lesser General Public License Version 2.1 or later, or |
| the Apache License Version 2.0. |
| |
| #### Files |
| |
| * [Readme.html](Readme.html) |
| Readme file (a longer version of this file). |
| |
| * [License.html](License.html) |
| License file |
| |
| * [tutorial/tutorial.html](tutorial/tutorial.html) |
| Tutorial |
| |
| * ./javassist.jar |
| The Javassist jar file (class files) |
| |
| * ./src/main |
| The source files |
| |
| * [html/index.html](html/index.html) |
| The top page of the Javassist API document. |