In object-oriented programming, a class is an extensible program-code-template for creating objects , providing initial values for state (member variables) and implementations of behavior (member functions or methods).
Read moreWhat is class design and object design?
Objects: All entities involved in the solution design are known as objects. For example, person, banks, company, and users are considered as objects. Every entity has some attributes associated with it and has some methods to perform on the attributes. Classes: A class is a generalized description of an object .
Read moreWhat defines the design of all classes in Java?
There are three ways to design classes: by composition, via inheritance, and via interface . Composition (or aggregation) is achieved by using existing class as a part of a new class. For example, the ArrayStack class includes an array of objects. Inheritance allows you to define a new class in terms of an old class.
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