J2EE Interview Questions and Answers
What is container-managed sign-on ?
The mechanism whereby security information needed for signing on to a
resource is supplied by the container.
What is container-managed transaction ?
A transaction whose boundaries are defined by an EJB container. An
entity bean must use container-managed transactions.
What is content ?
In an XML document, the part that occurs after the prolog, including the
root element and everything it contains.
What is context attribute ?
An object bound into the context associated with a servlet.
What is context root ?
A name that gets mapped to the document root of a Web application.
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
What is CORBA ?
Common Object Request Broker Architecture. A language-independent
distributed object model specified by the OMG.
What is create method ?
A method defined in the Interview Questions - Home interface and invoked by a client to create
an enterprise bean.
What is credentials ?
The information describing the security attributes of a principal.
What is CSS ?
Cascading style sheet. A stylesheet used with HTML and XML documents to
add a style to all elements marked with a particular tag, for the
direction of browsers or other presentation mechanisms.
What is CTS ?
Compatibility test suite. A suite of compatibility tests for verifying
that a J2EE product complies with the J2EE platform specification.
What is data ?
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
is generally used. When the only text in an XML structure is contained
in simple elements and when elements that have subelements have little
or no data mixed in, then that structure is often thought of as XML
data, as opposed to an XML document.
What is DDP ?
Document-driven programming. The use of XML to define applications.
What is declaration ?
The very first thing in an XML document, which declares it as XML. The
minimal declaration is . The declaration is part of the document prolog.
What is declarative security ?
Mechanisms used in an application that are expressed in a declarative
syntax in a deployment descriptor.
What is delegation ?
An act whereby one principal authorizes another principal to use its
identity or privileges with some restrictions.
What is deployer ?
A person who installs J2EE modules and applications into an operational
What is deployment ?
The process whereby software is installed into an operational
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