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What is the use of 'using' declaration in c++?


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More C++ General Interview Questions

What is virtual destructor? What is its use?

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Write a program that takes a 5 digit number and calculates 2 power that number and prints it.

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How do you show the declaration of a virtual constructor?

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How would you implement a substr() function that extracts a sub string from a given string?

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what is importance of data sturture in a programming language?

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What are c++ tokens?

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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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What kind of problems can be solved by a namespace?

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When does a name clash occur?

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How c functions prevents rework and therefore saves the programers time as wel as length of the code ?

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What is a c++ object?

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