1) Introduction Persistent data can be seen anywhere in an application. Managing persistent data is one of the few challenges that modern technologies/products are facing. A solution called Object-Relational Mapping (ORM) has gained major popularity over the past few years. ORM is a piece of software/product for the representation and conversion of data between the …
Introduction to Spring Web Flow
You must have found the web applications are getting more and more complex and to maintain them is getting even harder. You now have to write or understand and maintain a large and complex page flows (flow of the application). If you are bugged down with creating such a complex application the answer lies in …
Sample Application for Java Persistence API (JPA)
This article is the last part of the article series Java Persistence API (JPA), the earlier articles are introduction to JPA and the query api in JPA. This article is only for explaining the sample program with concepts used in the previous articles. I would recommend reading the previous two articles before start analyzing this …
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 …
What’s new in Struts 2.0? – Struts 2.0 Framework
Introduction In this article we will talk about the new features in Struts 2.0. Over the years, every developers believes that struts is the best and simple framework to implement. Since last two years, more new frameworks come to the market and the use of Struts is declined. Lack of updation in the Struts framework …
Introductiion to Jakarta Struts
Introduction This article explores the Struts framework in depth and highlights the benefits Struts can bring to your development efforts. We believe that once you can “talk the talk” of web architecture and design, you will be better equipped to use Struts with your own applications. With a sound overview of the Struts architecture in …
What is new in Java 6.0 Collections API?
In this article I will write about the new Collections APIs introduced in Java 6.0. Mustang has few interesting changes in the Collections APIs, one amoung them is the Deque. Deque is used for the Bi-Directional traversal. It has different implementations including BlockingDeque,ArrayDeque,etc. I will talk about the Deque and its various implementation, also few …
EJB 3.0 Timer Services
Starting from EJB 2.1, Timer Services are available for building J2EE Applications that depends on time based services. Time based services are mostly used in scheduling applications. Technically, these scheduling applications are called workflows. also read: Java EE Tutorials EJB Interview Questions EJB 3 Web Services Annotation and Dependency Injection in EJB 3 Query API …