A class that cannot be instantiated, either because it contains abstract methods or because it is declared to be abstract.
A declaration of an operation that concrete subclasses must implement.
A structure, created by a parser, that organizes input text according to a language's grammar.
A class that depends on abstract methods that are implemented in subclasses or in implementations of an interface.
A set of technologies from Microsoft for building Web services.
A firework that is fired from a mortar and that explodes midflight, ejecting and igniting stars.
A well-defined computational procedure that takes a set of values as input and ...