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
131. What is Java API for XML Registries (JAXR) ?
An API for accessing various kinds of XML registries.
132. What is Java API for XML-based RPC (JAX-RPC) ?
An API for building Web services and clients that use remote procedure calls and XML.
What is Java IDL ?
133. What is Java API for XML-based RPC (JAX-RPC) ?
An API for building Web services and clients that use remote procedure calls and XML.
134. What is Java IDL ?
A technology that provides CORBA interoperability and connectivity capabilities for the J2EE platform. These capabilities enable J2EE applications to invoke operations on remote network services using the Object Management Group IDL and IIOP.
135. What is Java Message Service (JMS) ?
An API for invoking operations on enterprise messaging systems.
136. What is Java Naming and Directory Interface (JNDI) ?
An API that provides naming and directory functionality.
137. What is Java Secure Socket Extension (JSSE) ?
A set of packages that enable secure Internet communications.
138. What is Java Transaction API (JTA) ?
An API that allows applications and J2EE servers to access transactions.
139. What is Java Transaction Service (JTS) ?
Specifies the implementation of a transaction manager that supports JTA and implements the Java mapping of the Object Management Group Object Transaction Service 1.1 specification at the level below the API.
140. What is JavaBeans component ?
A Java class that can be manipulated by tools and composed into applications. A JavaBeans component must adhere to certain property and event interface conventions.