1) Introduction In Fact, JSF is nothing but an abstraction over the existing Web Framework. JSF is implemented as a Servlet which is called the Faces Servlet. Before the advent of JSF, Servlets and JSP are the predominant ones that form the core components in the development of a Web Application. Let us see the …
Introduction to Java Persistence API(JPA)
Introduction Java Persistence API (JPA) provides POJO (Plain Old Java Object) standard and object relational mapping (OR mapping) for data persistence among applications. Persistence, which deals with storing and retrieving of application data, can now be programmed with Java Persistence API starting from EJB 3.0 as a result of JSR 220. This API has borrowed …