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 ...

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 and Java-specific design patterns. The Factory pattern, for example, represents a powerful OO design pattern for encapsulating object creation to enable reuse and meet a system’s ...

Another Java pattern matching example is with the when clause. This clause introduces guarded patterns, with which developers can write for more sophisticated pattern-matching logic. Consider the ...