Session bean programs

Session bean encapsulates business logic only, it can be invoked by local, remote and webservice client. JavaTpoint offers too many high quality services. Mail us on [email protected] , to get more information about given services. Please mail your requirement at [email protected] Duration: 1 week to 2 week.

EJB Tutorial. Next Topic Stateless Session Bean. Reinforcement Learning. R Programming. React Native. Getting Started with Web Applications 4. Java Servlet Technology 5. JavaServer Pages Technology 6. JavaServer Pages Documents 7.

Scripting in JSP Pages JavaServer Faces Technology Developing with JavaServer Faces Technology Creating Custom UI Components Configuring JavaServer Faces Applications CalculatorBean create throws javax. All Bean class are defined as public and implements the javax. In the bean class we have implemented the code for public int multiply int a, int b. RemoteException; import javax. CreateException; import javax.

EJBException; import javax. SessionBean; import javax. For creating example. Above deployment descriptor defines remote, home and bean class for the bean and assigns a name ' CalculatorBean ' to the session bean. This example is using com. Give class name as ExampleBean and select both remote and local options. Select state type as stateless.

It has the business method implemented from remote and local interfaces. Add the EJBExample project as dependency. And create a class in it. InitialContext; import javax. NamingException; import com. NamingContextFactory" ; props. The properties object gives the initial properties to retrieve the already bound bean instance. So we created a stateless session bean and deployed in server.

We accessed the bean using remote interface. We can access the EJB using local interface , if we select client and server in the same host.