This week's book giveaway is in the OO, Patterns, UML and Refactoring forum. We're giving away four copies of Refactoring for Software Design Smells: Managing Technical Debt and have Girish Suryanarayana, Ganesh Samarthyam & Tushar Sharma on-line! See this thread for details.
Source generation: generating a source file (f.e. XDoclet project) Runtime reflection: retrieving info about objects at runtime (Java Reflection API java.lang.reflect package) Runtime bytecode generation: creating classes at runtime (by creating their bytecode) (see cglib, javassist, ect) Buildtime bytecode enhancement: modification of the bytecode created by the java compiler in a post-compilation process