Unable to delete object array c++

Question

Hi I have a problem with deleting an object array. Whenever I start my code, it works just fine, but when I close, I am getting the error: 0xC0000005: Access violation reading location 0xcccccccc. The code goes like this:

I initialize an instance of an object and immediately make an empty array out of it.

Class* classObject[15];

Afterwards, I define the empty array in a for loop.

for(int i = 0; i < 15; i++){
  classObject[i] = new Class();
}

When the application closes, the following code should delete the array out of memory.

for(int i = 0; i < 15; i++){
  delete classObject[i];
}

Instead of successfully closing, I am getting the Access violation error. How can I fix this problem and where? Also, are there maybe other ways I could create objects in a for loop?

Have you perhaps already free'd those pointers? Or set them to NULL or otherwise changed the pointers? Use of smart pointers (such as std::shared_ptr) might have mitigated this problem. — Some programmer dude
– Some programmer dude, Commented Dec 7, 2012 at 11:57
For such problems it is best if you can provide a complete example that demonstrates the behavior. See sscce.org — Björn Pollex
– Björn Pollex, Commented Dec 7, 2012 at 11:59
You've probably corrupted the free space arena with some earlier operation. Another possibility is that you're doing something bad in the destructor of Class. — James Kanze
– James Kanze, Commented Dec 7, 2012 at 12:05
If you solved the problem, post an answer and accept it. Answers do not go in questions. — Lightness Races in Orbit
– Lightness Races in Orbit, Commented Dec 8, 2012 at 13:21

Robert Parker · Accepted Answer · 2012-12-07 12:19:37Z

3

class A
{
    public:
        A():a(0){};
    private:
        int a;
};

int main()
{
    A* arr[15];

    for(int i=0;i<15;i++)
    {
        arr[i] = new A();
    }
    for(int i =0;i<15;i++)
    {
        delete arr[i];
    }

    return 0;
}

There is no any error in my code .Have you delete the point before?

answered Dec 7, 2012 at 12:19

Robert Parker

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