Getting Started with an MVC Application with JBoss Seam

Create a JBoss Seam Model View Controller (MVC) application consisting of an EJB 3.0 entity bean, a stateful session bean, and a JSF user interface.

An Amazingly Easy Way to Consume Android APIs with Retrofit

Learn to use Retrofit to make creating and consuming Android APIs much more manageable.

What Is Polymorphism in Java?

Learn about using polymorphism as a principle of inheritance in Java.