What is realloc() and free()? What is difference between them?

1 Answers  

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What is the use of :: operator in c++?

0 Answers  

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What is the need of a destructor? Explain with the help of an example.

0 Answers  

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Refer to a name of class or function that is defined within a namespace?

0 Answers  

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There is a array of 99 cells and we have to enter 1-100 elements in it , no two elements would repeat , so the is one no. missing because 99 cells and 1-100 nos. so we had to implement a function to find that missing no.

2 Answers   Nagarro,

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How do you know that your class needs a virtual destructor?

5 Answers   Lucent,

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Can comments be longer than one line?

0 Answers  

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Explain the problem with overriding functions

0 Answers  

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What programming language should I learn first?

0 Answers  

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What is a constructor initializer list and when we use constructor initializer list?

3 Answers   Soft Info, TCS,

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Is main a class in c++?

0 Answers  

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what do you mean by memory management operators

4 Answers   HCL,

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