Fresh J2EE Interview Questions & Answers:

1. What is J2EE product provider?

A vendor that supplies a J2EE product.

2. What is JAXR provider?

An implementation of the JAXR API that provides access to a specific registry provider or to a class of registry providers that are based on a common specification.

3. What is JavaServer Pages Standard Tag Library (JSTL)?

A tag library that encapsulates core functionality common to many JSP applications. JSTL has support for common, structural tasks such as iteration and conditionals, tags for manipulating XML documents, internationalization and locale-specific formatting tags, SQL tags, and functions.

4. What is JavaMail?

An API for sending and receiving email.

5. 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.

6. What is Java Secure Socket Extension (JSSE)?

A set of packages that enable secure Internet communications.

7. What is Java Message Service (JMS)?

An API for invoking operations on enterprise messaging systems.

8. 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.

9. What is Java API for XML Processing (JAXP)?

An API for processing XML documents. JAXP leverages the parser standards SAX and DOM so that you can choose to parse your data as a stream of events or to build a tree-structured representation of it. JAXP supports the XSLT standard, giving you control over the presentation of the data and enabling you to convert the data to other XML documents or to other formats, such as HTML. JAXP provides namespace support, allowing you to work with schema that might otherwise have naming conflicts.

10. What is Java 2 Platform, Micro Edition (J2ME)?

A highly optimized Java runtime environment targeting a wide range of consumer products, including pagers, cellular phones, screen phones, digital set-top boxes, and car navigation systems.