Answer / nitin gautam

An instance is an object of a class.
Instances are runtime objects of a class. In theory, you can create any number of objects based on a single class. Each instance (object) of a class has a unique identity and its own set of values for its attributes.

Answer / arun prasad

GENERALLY INSTANCE IS REFERRED TO THE APPLICATION SERVER
AND IF THE APP. SERVER AND DATABASE SERVER ARE IN THE SAME
SYSTEM THEN IT IS CALLED AS CENTRAL INSTANCE.

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