What is null pointer and void pointer and what is their use?


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More C++ General Interview Questions

Write a program using merge () function to combine the elements of array x[ ] and y[ ] into array z[ ].

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What is the use of bit fields in structure declaration?

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Given the following function definition: int doit(int &x, int y, int &z) { x = 3*x; y = y + 5; z = x+y; return z - 4; } int a = 5, b = 7, c = 9, d = 11; d = doit(a,b,c);

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What are the c++ access specifiers?

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Why do we use using namespace std in c++?

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Show the declaration for a static function pointer.

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What is heap sort in c++?

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What is helper in c++?

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Name four predefined macros.

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What do you mean by overhead in c++?

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iam a fresher to Qt(GUI a c++ based framework software). i need to develop the basic applications on designer by drag and dropping mechanism...so pls send me the procedure to design applications?

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What is class in c++ with example?

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