What is the use of default constructor?


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What are the methods of exporting a function from a dll?

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What is encapsulation in c++?

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In a class, there is a reference or pointer of an object of another class embedded, and the memory is either allocated or assigned to the new object created for this class. In the constructor, parameters are passed to initialize the data members and the embedded object reference to get inialized. What measures or design change should be advised for proper destruction and avioding memory leaks, getting pointers dangling for the embedded object memory allocation? Please suggest.

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Explain what are mutator methods in c++?

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Can circle be called an ellipse?

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In a function declaration what does extern means?

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