OSI protocols are a family of standards for information exchange. These were developed and designed by the International Organization of Standardization (ISO). In 1977 the ISO model was introduced, which consisted of seven different layers. This model has been criticized because of its technicality and limited features. Each layer of the ISO model...
To instantiate is to create an instance of an object in an object-oriented programming (OOP) language. An instantiated object is given a name and created in memory or on disk using the structure described within a class declaration.In C++ and other similar languages, to instantiate a class is to create an object, whereas in Java, to instantiate a class creates a specific class. The results in both languages are the same (executable files) so there is no difference in use, just in terminology.
Instantiation is the creation of an instance of an abstraction, object class (also known as a template) or other computer process whereby objects are used. Each instance created by instantiation will be unique depending on the variation of the elements within the object. Until an object becomes instantiated, none of the code within the relevant class declarations will be used.Prior to modern OOP methods, instantiate had a similar meaning in relation to the creation of data within an empty template. For example, the entry of a record into a database was considered to be instantiation.
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