Enterprise Application Development — Summer 2023

What are the various components of J2EE application architecture?

What is ORM Framework and how is JPA related to that?

Explain JSF request processing life cycle.

Write a code snippet to explain the use of JSF validators.

Explain the configuration of web application using web.xml file to use servlet and EJB.

Explain the life cycle of stateful and stateless session beans.

What are transaction attributes? Which transaction attributes should be used in which situations?

What is JMS? What are the components of JMS API?

How does a sender application transport/send a message through JMS?

What is JSON-B? Demonstrate the use of JSON-Bfor parsing java objects to/from JSON.

What advantages does JSON have over XML?

Write a JSON code to convert a string into a Date using reviver function.

What is Message Queue? Briefly explain Message Service Architecture.

What do you understand by RESTful Web Services? What are the features of it?

What do you mean by dependency injection in EJB? Explain annotations which are used for dependency injection in EJB.

Explain the working of Microservice Architecture in J2EE.

What are the key requirements of a JAX-WS Web Service endpoint?

What is JPA? Explain persistence life cycle of an object?

Explain developing and deploying an EJB Web service.1

Differentiate ServletConfig and ServletContext.

Write a code to implement Open event for a connection using WebSocket.

Demonstrate the use of Servlet Filter.

What is Servlet Listener? How will you use it?

Write a code to implement WebSocket actions send() and close() for an open connection using WebSocket.

Demonstrate the use of ServletRequestDispacher and its methods include and forward.