Java Interview Questions

Q)  What is J2EE Rep) Java 2 Platform, Enterprise Edition. Q)   What is J2EE application Rep) Any deployable unit of J2EE functionality. This can be a single J2EE module or a group of modules packaged into an EAR file along with a J2EE application deployment descriptor. J2EE applications are typically engineered to be distributed across [...]

Q) What is CTS Rep) Compatibility test suite. A suite of compatibility tests for verifying that a J2EE product complies with the J2EE platform specification. Q) What is data Rep) The contents of an element in an XML stream, generally used when the element does not contain any subelements. When it does, the term content [...]

Q) What is authentication ? Rep) 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. Q) What is authorization? Rep) [...]

Q) What is J2EE? Rep) J2EE is an environment for developing and deploying enterprise applications. The J2EE platform consists of a set of services, application programming interfaces (APIs), and protocols that provide the functionality for developing multitiered, web-based applications. Q) What is the J2EE module? Rep) A J2EE module consists of one or more J2EE [...]