What is EJB? An enterprise JavaBean (EJB) is a reusable, portable J2EE components. EJB from the packaging of many possible approaches to business logic components. For example, an EJB can include a cu ...
bean entity (RSS)
I am finishing with the summary of: First, the java bean, is a java component model, he for the use of java classes provide a standard format, the user program management and visualization tools can b ...
6, say Servlet life cycle, and tell the difference between Servlet and CGI. Servlet instantiated by the server, the container is running its init method, the request arrived to run the service method, ...
EJB is a server-side sun component model, the usefulness of the largest deployment of distributed applications are similar to Microsoft's. Net technology. With the advantages of cross-platform jav ...
2. Abstract class and interface difference (1) interface can be multiple implements, can only be a single abstract class extends (2) only the definition of interfaces, abstract class can have the defi ...