In
computing, object model has two related but distinct meanings:The properties of
objects in general, in a specific computer
programming language, technology, notation or
methodology that uses them. For example, the
Java object model, the
COM object model, or the object model of
OMT. Such object models are usually defined using concepts such as
class,
message,
inheritance,
polymorphism, and
encapsulation. There is an extensive literature on formalized object models as a subset of the
formal semantics of programming languages.A collection of objects or classes through which a
program can examine and manipulate some specific part of its world. In other words, the object-oriented
interface to some service or system. Such an interface is said to be the object model of the represented service or system. For example, the
HTML Document Object Model (DOM) [1] is a collection of objects that represent a
page in a
web browser, used by
script programs to examine and dynamically change the page. There is a
Microsoft Excel object model
[2] for controlling Microsoft Excel from another program, and the
ASCOM Telescope Driver
[3] is an object model for controlling an astronomical telescope.
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