Topic: Java Interview Collections 8?

71. What is durable subscription

In a JMS publish/subscribe messaging system, a
subscription that continues to exist whether or not
there is a current active subscriber object. If there
is no active subscriber, the JMS provider retains the
subscription's messages until they are received by the
subscription or until they expire.

Topic: Java Interview Collections 7?

61. 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.

62. What is declarative security

Mechanisms used in an application that are expressed
in a declarative syntax in a deployment descriptor