A set of reusable objects which may be used within the context of a framework but may also be used as stand-alone objects.
A collection of one or more classes that programmers use to implement functionality.
The set of classes supplied with Object COBOL. The root class of the Class Library, Base, implements basic behavior for all classes, and provides a superclass for your own classes. There are also classes to implement collections, exception handlers, Callbacks, and GUI interfaces.
a collection of related classes, which are a type of reusable component in object-oriented programming. In Visual C++, programmers would typically build their own class libraries on top of an underlying foundation, such as the Microsoft Foundation Class Library (MFC).