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Which interface determines how your class will be used by another program?

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Which interface determines how your class will be used by another program?

(a) public

(b) private

(c) protected

(d) void

I got this question in exam.

This interesting question is from Design of Class Hierarchies in chapter Derived Classes, Templates & Exception Handling in C++ of C++

1 Answer

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Best answer
Correct choice is (a) public

For explanation: If we invoked the interface as public means, We can access the program from other programs also.

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