April 2017
Beginner to intermediate
394 pages
9h 16m
English
Content preview from Game Development Patterns and Best Practices
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Understanding interfaces
An interface implements no functions, but simply declares the methods that the class will support. Then, all of the derived classes will do the implementation. In this way, the developer will have more freedom to implement the functions to fit each instance, while having things work correctly due to the nature of using an object-oriented language.
Interfaces may contain only static final variables, and they may contain only abstract methods, which means that they cannot be implemented within the class. However, we can have interfaces that inherit from other interfaces. When creating theses classes, we can implement whatever number of interfaces we want to. This allows us to make classes become even more polymorphic ...
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