Community driven content discussing all aspects of software development from DevOps to design patterns. If you want to master functional programming, the best place to start is with the Java Function ...

Structural Patterns: These design patterns concern class and object composition. The concept of inheritance is used to build interfaces and define ways to compose objects to obtain new ...

Only functional interfaces can use the lambda feature in Java. Abstract classes with only one abstract method cannot use lambdas. Can’t have constructor. Can have constructor. Can have abstract ...

Learn how to use synchronous and asynchronous callbacks in Java—including callbacks with lambda expressions, CompletableFuture, and more. Topics Spotlight: New Thinking about Cloud Computing ...

The book contains a catalog of twenty advanced EJB patterns and provides strategies for mapping application requirements to patterns-driven design, J2EE development best practices, and a collection of ...