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Object Oriented Design

Object-oriented design is a programming paradigm that uses "objects" and their interactions to design computer programs. It is based on several techniques, including encapsulation, modularity, polymorphism, and inheritance.



Aggregation vs. Association


An aggregation is a set of objects that make up a unit. Some examples of aggregation include:


An association is two or more objects that work together, but one is not part of another. Some examples of association include:

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