Glossary

ABSTRACT CLASS

A class that cannot be instantiated, either because it contains abstract methods or because it is declared to be abstract.

ABSTRACT METHOD

A declaration of an operation that concrete subclasses must implement.

ABSTRACT SYNTAX TREE

A structure, created by a parser, that organizes input text according to a language's grammar.

ABSTRACTION

A class that depends on abstract methods that are implemented in subclasses or in implementations of an interface.

ACTIVE SERVER PAGES (ASP)

A set of technologies from Microsoft for building Web services.

AERIAL SHELL

A firework that is fired from a mortar and that explodes midflight, ejecting and igniting stars.

ALGORITHM

A well-defined computational procedure that takes a set of values as input and ...

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