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
41. What is connector ?
A standard extension mechanism for containers that provides connectivity to enterprise information systems. A connector is specific to an enterprise information system and consists of a resource adapter and application development tools for enterprise information system connectivity. The resource adapter is plugged in to a container through its support for system-level contracts defined in the Connector architecture.
42. What is container-managed persistence ?
The mechanism whereby data transfer between an entity bean's variables and a resource manager is managed by the entity bean's container.
43. What is container-managed sign-on ?
The mechanism whereby security information needed for signing on to a resource is supplied by the container.
44. What is container-managed transaction ?
A transaction whose boundaries are defined by an EJB container. An entity bean must use container-managed transactions.
45. What is content ?
In an XML document, the part that occurs after the prolog, including the root element and everything it contains.
46. What is context attribute ?
An object bound into the context associated with a servlet.
47. What is context root ?
A name that gets mapped to the document root of a Web application.
48. What is conversational state ?
The field values of a session bean plus the transitive closure of the objects reachable from the bean's fields. The transitive closure of a bean is defined in terms of the serialization protocol for the Java programming language, that is, the fields that would be stored by serializing the bean instance.
49. What is CORBA ?
Common Object Request Broker Architecture. A language-independent distributed object model specified by the OMG.
50. What is create method ?
A method defined in the Interview Questions - Home interface and invoked by a client to create an enterprise bean.