instance

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instance

Logic
a. an expression derived from another by instantiation
b. See substitution

instance

(programming)
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.

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.
References in periodicals archive ?
The diesel generators at Vermont's Killington Ski Area, for instance, have made that resort the single biggest stationary air polluter in the state.
We normally start the evangelization of children, for instance, by teaching them how to pray and how to go to church.
So before OTEC becomes a reality, there's a lot more work to be done: studying its ecological effects and looking at ways to cut cost, for instance. In the meantime, we should explore other energy alternatives, including solar, wind, and geothermal power (see SW 11/5/93, p.
At Battenfield Gloucester, for instance, going from three to four layers would cost about one-quarter of the original die price.
For instance, one parent phoned five residential camps asking for brochures.
For instance, America's military victory over Germany and Japan during World War II and its continued military superiority could not save the United States from its continuous hegemonic descent since the mid-1970s.
For instance, Quattro Pro lets you group related spreadsheets into notebooks.
For instance, requests for new clinical privileges that are later withdrawn need not result in a Data Bank report as long as the physician is not given temporary privileges and the request for privileges is voluntarily withdrawn prior to final action by the health care entity.
For instance, WFO's FIG produces weekly intelligence bulletins and posts them on the Law Enforcement Online (LEO) Web site.
For instance, few men know that supplements containing male hormones such as anabolic steroids can reduce sperm production.
For instance, a quasicrystal can form a pattern that, as a whole, has five-fold symmetry as pentagons do but, unlike a tiling of pentagons, can cover a flat surface seamlessly.
In the sprawling and fast-growing area around the Kensington Cooperative Nursery School, for instance, cooperative enterprises sprouted up continually from the 1930s through the 1950s.