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.

Classes, fields, methods, constructors, and objects are the building blocks of object-based Java applications. This Java tutorial teaches you how to declare classes, describe attributes via fields ...

There is a reason why Java method modifiers exist. If you call public methods internally and don't understand why, your developers could face major class issues.

Java's default constructor lets developers create instances of classes when an explicitly defined constructor does not exist. Here's how it works.