复制构造函数C ++中自定义类的动态数组

Question

I'm trying to create a dynamic array of a class that I created by defining a pointer of this class in my other class, then when I create the copy constructor of the second class the IDE tells me that the pointer type is not compatible

class myClass2 {
private:
        int *size;
        string name;
        myClass1 *list;
        ...
public:
       myClass2(const char &name,const int size);
       ...
};

myClass2::myClass2(const char &name,const int size){
...
       this->size = new int(size);
       myClass1 * pArray[size]; 
       for(int i = 0; i < size; i++){
           pArray[i] = new myClass1();
       }
       list = pArray; //FIXME:incompatible pointer type
};

Answer 1

You have written:

myClass1 *list;

It means that list 's value will be address of a myClass1 object. In contructor of myClass2 , you wrote:

list = pArray;

But pArray is not an address of a myClass1 object. your pArray is an array used to contains myClass2* . So you got error incompatible pointer type .

Answer 2

You're trying to point to MyClass2 type from MyClass1 type. That's why there's an incompatible type error. Either extend MyClass1 for MyClass2 and use polymorphism. Myclass1 * pArray[size];

PS : It is recommended to use the stack for storing variables unless it is not local. You could do, int size; this->size = size; int size; this->size = size;