In of this three-part series introducing design patterns ... for new Java developers is that the Gang of Four patterns spring from object-oriented programming, with examples based on C++ and ...

We discuss some of the most common design ... Pattern restricts the instantiation of a Class and ensures that only one instance of the class exists in the Java Virtual Machine (JVM). The ...

One of our biggest challenges as software developers is organizing our code so that it is easier to extend and maintain. The Command pattern helps us do that by encapsulating all the data required ...

EJB Design Patterns goes beyond high-level design pattern descriptions into critical EJB-specific implementation issues ... JUnit testing strategies, using Java Data Objects (JDO) as an alternative to ...

Community driven content discussing all aspects of software development from DevOps to design patterns. The implementation of Java 8 ... To show you an old school, pre-Java 8 UnaryOperator example, we ...