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.
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11. What is "application client module" ?
A software unit that consists of one or more classes and an application client deployment descriptor.
12. What is "application component provider" ?
A vendor that provides the Java classes that implement components' methods, JSP page definitions, and any required deployment descriptors.
13. What is "application configuration resource file" ?
An XML file used to configure resources for a Java Server Faces application, to define navigation rules for the application, and to register converters, Validator, listeners, renders, and components with the application.
14. What is "archiving" ?
The process of saving the state of an object and restoring it.
15. What is "asant" ?
A Java-based build tool that can be extended using Java classes. The configuration files are XML-based, calling out a target tree where various tasks get executed.
16. What is "attribute"?
A qualifier on an XML tag that provides additional information.
17. What is authentication ?
The process that verifies the identity of a user, device, or other entity in a computer system, usually as a prerequisite to allowing access to resources in a system. The Java servlet specification requires three types of authentication-basic, form-based, and mutual-and supports digest authentication.
18. What is authorization ?
The process by which access to a method or resource is determined. Authorization depends on the determination of whether the principal associated with a request through authentication is in a given security role. A security role is a logical grouping of users defined by the person who assembles the application. A deployer maps security roles to security identities. Security identities may be principals or groups in the operational environment.
19. What is authorization constraint ?
An authorization rule that determines who is permitted to access a Web resource collection.