A class — in the context of Java — is a template used to create objects and to define object data types and methods . Classes are categories, and objects are items within each category. All class objects should have the basic class properties.
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Some Other Java Class Design Guidelines Only the operations that are needed by the user of the class should be made public . An instance of a class should not send messages directly to components of another class. Operations defined in the class should be such that they operate on the data defined on the class.14 Ara 2016
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