| javassist | The Javassist Core API. |
| javassist.bytecode | Bytecode-level API. |
| javassist.bytecode.analysis | Bytecode Analysis API. |
| javassist.bytecode.annotation | Bytecode-level Annotations API. |
| javassist.bytecode.stackmap | |
| javassist.compiler | |
| javassist.compiler.ast | |
| javassist.convert | |
| javassist.expr | This package contains the classes for modifying a method body. |
| javassist.runtime | Runtime support classes required by modified bytecode. |
| javassist.scopedpool | A custom class pool for several JBoss products. |
| javassist.tools | Covenient tools. |
| javassist.tools.reflect | Runtime Behavioral Reflection. |
| javassist.tools.rmi | Sample implementation of remote method invocation. |
| javassist.tools.web | Simple web server for running sample code. |
| javassist.util | Utility classes. |
| javassist.util.proxy | Dynamic proxy (similar to Enhancer of cglib ). |