Technical interview questions and answers are important for any J2EE Interview because companies want candidates who understand enterprise Java components, servlets, JSP, JDBC, MVC frameworks, and server-side development. J2EE is widely used for building scalable and secure enterprise applications, making it a key topic in Java-based interviews. Companies like TCS, Infosys, Wipro, Cognizant, and Accenture often include J2EE questions in their placement tests and technical rounds to evaluate backend development skills. This guide provides fully solved J2EE interview questions with clear explanations, helping freshers and job seekers build strong fundamentals. Preparing these questions will help you perform confidently in technical interviews, project discussions, and Java-based coding assessments.
Showing 10 of 330 questions
181. What is JSTL ?
Abbreviate of JavaServer Pages Standard Tag Library.
182. What is JTA ?
Abbreviate of Java Transaction API.
183. What is JTS ?
Abbreviate of Java Transaction Service.
184. What is keystore ?
A file containing the keys and certificates used for authentication
185. What is life cycle (J2EE component) ?
The framework events of a J2EE component's existence. Each type of component has defining events that mark its transition into states in which it has varying availability for use. For example, a servlet is created and has its init method called by its container before invocation of its service method by clients or other servlets that require its functionality. After the call of its init method, it has the data and readiness for its intended use. The servlet's destroy method is called by its cont
186. What is life cycle (JavaServer Faces) ?
A set of phases during which a request for a page is received, a UI component tree representing the page is processed, and a response is produced. During the phases of the life cycle: The local data of the components is updated with the values contained in the request parameters. Events generated by the components are processed. Validators and converters registered on the components are processed. The components' local data is updated to back-end objects. The response is rendered to the client w
187. What is local subset ?
That part of the DTD that is defined within the current XML file.
188. What is managed bean creation facility ?
A mechanism for defining the characteristics of JavaBeans components used in a JavaServer Faces application.
189. What is message ?
In the Java Message Service, an asynchronous request, report, or event that is created, sent, and consumed by an enterprise application and not by a human. It contains vital information needed to coordinate enterprise applications, in the form of precisely formatted data that describes specific business actions.
190. What is message consumer ?
An object created by a JMS session that is used for receiving messages sent to a destination.