We will also discuss some miscellaneous design patterns in this series. Here is more information on each category: The rest of this programming tutorial ... of the class exists in the Java Virtual ...

Maximizing code reuse in your Java programs ... applying a design pattern for the proper use case makes the code more flexible for extension. Singleton: Ensures a class has only one instance ...

This two-part tutorial introduces JPA and explains how Java objects ... to the class configured, which is simpler, whereas the XML file keeps the configuration external to the code and shareable ...