Can we design in Java?

That means, a design pattern represents an idea, not a particular implementation. By using the design patterns you can make your code more flexible, reusable and maintainable. It is the most important part because java internally follows design patterns .

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What is the class design?

A design class represents an abstraction of one or several classes in the system’s implementation ; exactly what it corresponds to depends on the implementation language. For example, in an object-oriented language such as C++, a class can correspond to a plain class.

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