Here's everything you need to know about initializing Java classes and objects before executing them in the JVM.

Here's how to make classes, fields, methods, constructors, and objects work together in your Java programs.

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

Object-oriented systems are usually partitioned into layers of related responsibilities and only dependencies in one direction are allowed, from higher layers (more specific, less reusable) to lower ...