Explain the difference between struct and class in terms of access modifier.

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How does class accomplish data hiding 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.

5 Answers   GE,

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What is tellg () in c++?

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class X { public: int x; static void f(int z); }; void X::f(int y) {x=y;} What is the error in the sample code above? a) The class X does not have any protected members. b) The static member function f() accesses the non-static z. c) The static member function f() accesses the non-static x. d) The member function f() must return a value. e) The class X does not have any private members.

2 Answers   Quark,

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What is optimization in c++? when using volatile.optimization is not possible..what does this mean?

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Can you be bale to identify between straight- through and cross- over cable wiring? And in what case do you use straight- through and cross-over?

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How can you link a c++ program to c functions?

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Is there a datatype string in c++?How is the memory allocation?

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What is the average salary of a c++ programmer?

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What is the use of map in c++?

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Explain the differences between list x; & list x();.

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