Look Up Another Term

Redirected from: Java class

Definition: class

(1) In object technology, a user-defined data type that defines a collection of objects that share the same characteristics. An object, or class member, is one instance of the class. Concrete classes are designed to be instantiated. Abstract classes are designed to pass on characteristics through inheritance. See instantiate.

(2) In networking, a categorization of a packet based on attributes such as protocol, port and source and destination addresses.