Inheritance and composition are two programming techniques developers use to establish the relationship between classes and objects. Whereas inheritance derives one class from another, composition ...

The first half of this introduction to Java inheritance teaches you how to use the extends keyword to derive a child class from a parent class, invoke parent class constructors and methods, and ...

But there are very few Java syntax checkpoints that limit the potential for inheritance-based, object-oriented corruption. The sealed Java class helps reign in the overzealous and often detrimental ...

Must be Java, where private does not mean private. Simply put, if you can bypass the mechanism, then the mechanism has failed. Each class should be the expert on handling all communication needed ...

Dynamic loading of Java classes at runtime provides tremendous flexibility in the development of enterprise systems. It provides for the basis of "application servers", and allows even simpler, ...