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   ► KBTo/From GuidesCorel Paradox  Print This     

Interface (Corel Paradox and C++ Cross Reference Guide)

By Mike Prestwood

Corel Paradox versus C++: A side by side comparison between Corel Paradox and C++.

 
OOP Details
 

More object oriented (OO) stuff.

Interface

[Other Languages] 

An element of coding where you define a common set of properties and methods for use with the design of two or more classes.

Both interfaces and abstract classes are types of abstraction. With interfaces, like abstract classes, you cannot provide any implementation. However, unlike abstract classes, interfaces are not based on inheritance. You can apply an Interface to any class in your class tree. In a real sense, interfaces are a technique for designing horizontally in a class hierarchy (as opposed to inheritance where you design vertically). Using interfaces in your class design allows your system to evolve without breaking existing code.

Corel Paradox:  "Interfaces" Not Supported
C++:  "Interfaces" No, but mimic it.

You can mimic an interface by using a class that has only pure-virtual functions and no member variables.













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