How is c++ used in the real world?

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What is the type of this pointer in c++?

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Give example of a pure virtual function in c++?

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make a middle node of doubly linklist to the top of the list

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What is std namespace in c++?

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Find out the bug in this code,because of that this code will not compile....... #include <iostream> #include <new> #include <cstring> using namespace std; class balance { double cur_bal; char name[80]; public: balance(double n, char *s) { cur_bal = n; strcpy(name, s); } ~balance() { cout << "Destructing "; cout << name << "\n"; } void set(double n, char *s) { cur_bal = n; strcpy(name, s); } void get_bal(double &n, char *s) { n = cur_bal; strcpy(s, name); } }; int main() { balance *p; char s[80]; double n; int i; try { p = new balance [3]; // allocate entire array } catch (bad_alloc xa) { cout << "Allocation Failure\n"; return 1; }

2 Answers   Impetus,

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Is it possible to use a new for the reallocation of pointers ?

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Why are pointers used?

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Explain the advantages of using friend classes.

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What is do..while loops structure?

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What c++ library is string in?

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Is java as fast as c++?

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