J2EE Interview Questions and Answers
Ques 11. What is the web container?
Ans. Servlet and JSP containers are collectively referred to as Web containers. It manages the execution of JSP page and servlet components for J2EE applications. Web components and their container run on the J2EE server.
Ques 12. What is Enterprise JavaBeans (EJB) container?Ans. It manages the execution of enterprise beans for J2EE applications.
Enterprise beans and their container run on the J2EE server.
Ques 13. What is Applet container?Ans. IManages the execution of applets. Consists of a Web browser and Java Plugin running on the client together.
Ques 14. How do we package J2EE components?Ans. J2EE components are packaged separately and bundled into a J2EE application for deployment. Each component, its related files such as GIF and HTML files or server-side utility classes, and a deployment descriptor are assembled into a module and added to the J2EE application. A J2EE application is composed of one or more enterprise bean,Web, or application client component modules. The final enterprise solution can use one J2EE application or be made up of two or more J2EE applications, depending on design requirements. A J2EE application and each of its modules has its own deployment descriptor. A deployment descriptor is an XML document with an .xml extension that describes a componentís deployment settings.
Ques 15. What is a thin client?Ans. A thin client is a lightweight interface to the application that does not have such operations like query databases, execute complex business rules, or connect to legacy applications.
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