Why is null pointer used?


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More C++ General Interview Questions

List down the guideline that should be followed while using friend function.

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Can comments be longer than one line?

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Explain what happens when a pointer is deleted twice?

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Shall we use 'free' to free memory assigned by new, What are the further consequences??

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What is vector string in c++?

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What is a try block?

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What are the uses of pointers?

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What is constructor and destructor in c++?

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Is there a new/delete equivalent of realloc?

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how to connect with oracle 9i with server in socket program in c/c++

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What do you know about friend class and friend function?

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