Everything in Java is associated with classes and objects, along with its attributes and methods. For example: in real life, a car is an object. The car has attributes, such as weight and color, and methods, such as drive and brake. A Class is like an object constructor, or a “blueprint” for creating objects .
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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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