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. In this example, we have an ...

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 ...

How I Use Nature's Patterns to Optimize Garden Design Patterns help us find efficiencies—to see the path of least resistance—and learn from nature what works best.

SOA has matured enough now that nearly a hundred design patterns have emerged to help you make a transition to service-orientation. This gentle introduction to design patterns can guide you into ...