Introduction To Enterprise Beans

In this tutorial you will learn about the Enterprise Beans.

Introduction To Enterprise Beans

Introduction To Enterprise Beans

In this tutorial you will learn about the Enterprise Beans.

Enterprise Bean :- A bean that is a component of Java Enterprise Edition which gives the implementation of Enterprise JavaBeans technology is called Enterprise Beans. An Enterprise Beans is a server side component that encapsulates the code which will fulfill the purpose of an Enterprise application and is required an EJB container to run. Enterprise applications are the applications that are intended to used at large scales where many users accessing the large number of data concurrently at a time. Besides this it is also used for communicating with the server, for maintaining the session of clients while the transaction task is being performed from the database. Enterprise beans are provided to system-level services (transaction and security ) by the EJB container that enables the application developer to build and deploy the application without making delay.

Benefits of Enterprise Beans

There are various benefits of Enterprise Beans that simplifies the development of distributed and large applications. Some of the following are :

  • Due to the system-level services provided by the EJB container Bean developer need not to worry about these services, they can only focus on solving the business problems.
  • Because the application's business logic is contained by the beans so the client developer can only concentrate on presentation of the client.
  • Client developer need not think about the applied business rule and database accessing.
  • The portable functionality of enterprise beans components provides the facility of building the new application much easier from the existing beans.

When to use Enterprise Beans

An Enterprise Beans can be used on any of the following requirements :

  • Used in those application's where the number of users increases day by day you may required to distribute an application component's across multiple machines.
  • Used in those application's which supports the functionality of transactions where the mechanism for accessing the shared objects management is required.
  • Used when where the variety of clients will be use the application, clients can be several, thin, and indefinite number.

Tutorials

  1. Java EE6 Tutorial
  2. Introduction of Web Application
  3. Introduction to JSF
  4. JSF 1.2 Simple Example
  5. JSF 2.0 Simple Example
  6. Introduction to Facelets
  7. Structure of Web Module
  8. Introduction To Java Servlet Technology
  9. Creating and Initializing a Servlet using Annotation
  10. service method in servlet
  11. Servlet Filter
  12. Calling another web resources
  13. Facelets Example
  14. Servlet Session
  15. Introduction To Enterprise Beans
  16. Types of Enterprise Beans
  17. Composite Components
  18. JSF Expression Language(EL)
  19. Servlet Finalization
  20. Internationalization and Localization of Web Applications in Java
  21. Download Eclipse Helios And Add The Tomcat7 For Java EE6
  22. Servlet Annotation Hello World Example in Eclipse
  23. @WebInitParam Annotation Servlet Example
  24. @WebListener Annotation Servlet Example
  25. @WebFilter Servlet Example
  26. @WebServlet Url Embedding Example
  27. @WebServlet RequestDispatcher Include Example
  28. @WebServlet RequestDispatcher Forward Example
  29. @WebServlet Login and Logout Example
  30. How to access Enterprise Beans
  31. Building Enterprise Bean Perspective to Allow Access
  32. Servlet setAttribute & getAttribute method example
  33. ServletResponse methods Servlet 3.0
  34. How to use web.xml in Servlet 3.0
  35. File Upload Servlet 3.0 Example
  36. Session Tracking Servlet Example
  37. Servlet 3 Async Example
  38. ServletContext Java EE 6
  39. setInitParameter() Method Example
  40. ServletRequest Java EE 6