In Interview, I asked to write constructor, Copy constructor and assignment operator

Question

In Interview, I asked to write constructor, Copy constructor and assignment operator. I wrote the following code.

He then asked me what is wrong in following code which I unable to answer, could you help me to know what is wrong?

Also, From question what interviewer was trying to find?

//constructor, copy constructor, assignment operator and destructor

class Employee
{
    int id;
    char *name;
public:
    //constructor
    Employee()
    {
        id=0;
        *name = new char[];
    }
    
    //Copy constructor
    Employee (const Employee& oldObj)
    {
        id = oldObj.id;
        *name = *(oldObj.name);
    }
    
    //destructor
    ~Employee()
    {
        delete[] name;
    }
    
    //Assignment operator overloading
    void operator = (const Employee& obj)
    {
        id = obj.id;
        delete[] name;
        *name = *(obj.name);
    }
    
};


int main()
{
    Employee a1;
    Employee a2 = a1; //copy constructor
    
    Employee a3;
    a3 = a1;//assignment operator
}

Answer 1

what is wrong in following code

• Using bare owning pointers instead of smart pointers or containers.
• *name = pointer is ill-formed.
• new char[] is ill-formed.