Welcome..

JDasm is a Java library for a low level Java bytecode manipulation. It lets you to create and edit Java class file and classes, doing this in a faster and simpler way than BCEL. If you are looking for an high level bytecode manipulator you can consider to use Javassist instead.

With JDasm you can:

• create Java classes from scratch
• load existing classes from file or from Java loader
• inspect any part of the structure of a class
• edit the structure in a quite simple way
• save the modified class in a file
• load and use the modified class just after you have created it

Advanced features offered by JDasm:

• An inner bytecode verifier that will inform you about the consistency of the methods code
• A lazy link among all the classes that represents the java structure that makes programming easier and cleaner
• A powerfull and usefull instruction searcher