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 ...

We discuss some of the most common design patterns in Java and how they can help you ... the if-else block of the above example would be replaced by multiple factory classes (one for each subclass).

Design Patterns is canonical reading for software ... Finally, for the Java developer looking for Java-based examples, I recommend David Geary’s series on JavaWorld. Geary doesn’t cover ...

EJB Design Patterns was the #2 book at this years Java One conference, and held the #1 book on amazon.com in the categories of Java, Web Development and Software Design for many weeks. This is the ...