Structural Patterns: These design patterns concern class and object composition. The concept of inheritance is used to build interfaces and define ways to compose objects to obtain new ...

In Part 2, I’ll present a helpful way to learn the foundational design patterns presented by the Gang of Four authors, revisit the book’s Visitor pattern from a Java technology perspective ...

Proper use of design patterns in software development allows you to exploit previous experience with ... rather than on inheritance from a concrete base class. For a C#, VB.NET, or Java ...

Abstract classes and interfaces in Java serve fundamentally different purposes. Learn the differences between these Java language elements and how to use them in your programs.