Basic HTML version of Foils prepared May 12 1996

Foil 79 Summary of Object-Oriented Concepts - II

From CRPC Lectures on Java Language Applets Graphics CRPC Annual Meeting Tutorial -- May 14,1996. by Geoffrey C. Fox


1 Method or Instance Method: the usual type of method which is defined in a class and operates in instances of class or subclasses of defining class
2 static or class method: A method defined in a class which can operate on the class itself or on any object
3 static or class variable: A variable that is owned by the class and all its instances as a whole. It is stored in class and not in particular instances.
4 Interface: A collection of abstract behavior(method) specifications that individual classes can then implement
5 Package: A collection of classes and interfaces. Classes or interfaces from packages other than java.lang must be explicitly imported or referred to by full package name

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