Use new to allocate memory for a class and check error


#include <iostream>
#include <cstring>
using namespace std;

class phone {
  char name[40];
  char number[14];
public:
  void store(char *n, char *num);
  void show();
};

void phone::store(char *n, char *num)
{
  strcpy(name, n);
  strcpy(number, num);
}

void phone::show()
{
  cout << name << ": " << number;
  cout << endl;
}

int main()
{
  phone *p;

  p = new phone;

  if(!p) {
    cout << "Allocation error.";
    return 1;
  }

  p->store("Joe", "999 555-4444");

  p->show();

  delete p;

  return 0;
}

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2.	Pointer for double and use new to allocate memory
3.	Demonstrate the new(nothrow) alternative.
4.	Handle exceptions thrown by new.
5.	Force an allocation failure.
6.	Dynamic int array
7.	Watch for allocation errors using both old-style and new-style error handling.

Use new to allocate memory for a class and check error : New « Language « C++

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