In this article Rafael Winterhalter, creator of the bytecode manipulation tool Byte Buddy, provides detailed guidance on how to easily create Java agents using Byte Buddy.

How to create methods in Java Let’s rewind a moment and take a closer look at the method we created. Why does it look the way it does?

This Java tip introduces additional concepts and techniques related to fields and methods–namely field constants, field-access rules, chaining instance method calls, pass-by-value arguments ...