Part of the Programming glossary:

In object-oriented programming , a class library is a collection of prewritten class es or coded templates, any of which can be specified and used by a programmer when developing an application program. The programmer specifies which classes are being used and furnishes data that instantiate s each class as an object that can be called when the program is executed. Access to and use of a class library greatly simplifies the job of the programmer since standard, pretested code is available that the programmer doesn't have to write.

A class library is analogous to a subroutine library in earlier, procedural programming.

This was last updated in August 2005
Posted by: Margaret Rouse

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