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instance
(redirected from instances)

    Also found in: Dictionary/thesaurus, Legal, Idioms, Wikipedia, Hutchinson 0.14 sec.

instance

(1) A single copy of a running program. Multiple instances of a program mean that the program has been loaded into memory several times.

(2) In object technology, a member of a class; for example, "Lassie" is an instance of the class "dog." When an instance is created, the initial values of its instance variables are assigned.

instance
Logic
a. an expression derived from another by instantiation
b. See substitution
(programming)instance - An individual object of a certain class. While a class is just the type definition, an actual usage of a class is called "instance". Each instance of a class can have different values for its instance variables, i.e. its state.


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