object

A concrete instantiation of a class. The class is the formal representation of the concrete object. In the object-oriented paradigm the world consists of communicating objects.

object diagramm

Graphical representation of objects describing their relationship.

OFFIS

Oldenburger Forschungs- und Entwicklungsinstitut für Informatik-Werkzeuge und Systeme. Research- and Development-Institute for Computer-Science-Tools in Oldenburg/Germany.

OMT

Object Modeling Technique, method for object oriented development (James Rumbaugh 1991).

overloading

Declaring a method in the same class again (in a derived class the method would be hidden) but with different parameters (number or types). The run-time system decides depending on the calling parameters which method has to be chosen.

overwriting

Making a declaration with an already existing name of a labeled concurrent statement, may cause an overwriting of the first declaration.