A tutorial highlighting the various design patterns in Java. Learn about the benefits and different types of design patterns.

The Observable design pattern is used in many important Java APIs. One well-known example is a JButton that uses the ActionListener API to execute an action.

Get an overview of design patterns, then use what you've learned to evaluate whether the Composite pattern is a good choice for a particular Java use case ...

Effective memory management in Java relies on effective reference management by Java programmers. Reference management can be difficult in the context of framework-based development. Leonard provides ...

Java Testing and Design: From Unit Testing to Automated Web Tests teaches you a fast and efficient method to build production-worthy, scalable, and well performing Web-enabled applications. The ...