3. Basic Concepts of Classes

3.
Basic Concepts of Classes

Class concept

Class definition

Data members (introduce constant and access modifier-private and public)

Basic types of methods

Methods definition (methods in concrete class only NOT main method)

Difference of Class and Object

Object creation and application (introduce application class and main method, object instantiation and use of the object for a simple process)
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Starting from this chapter, Java programming language will be indirectly introduced.

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