could you please tell me whats the error in the code

[diwakar09]

i am using vc++ compiler

#include<iostream>
using namespace std;
class base
{
public:
 
    virtual void paint()
    {
        cout<<"in middle\n";
    }
};
 
class derived : public base
{
public:
 
    void paint()
    {
        cout<<"in derived\n";
    }
 
};
class middle 
{
    char str[10];
public :
    derived *getinfo()
    {
        cout<<"which object you want\n";
            cin>>str;
        if (str == "derived")
        {             
            return new(derived);
        }
    }
};
int main()
{
    middle m;
    base *b;
    //derived *d;
    derived d;
    b = m.getinfo();
    b->paint();
    getchar();
    return 0;
 
 
}
 
 

Unhandled exception at 0x00000000 in project.exe: 0xC0000005: Access violation reading location 0x00000000.

this is the error i am getting

[Ganon11]

You can't compare strings using the == operator; you have to use strcmp.

[diwakar09]

You can't compare strings using the == operator; you have to use strcmp.

thanx this was a stupid mistake that i have done

thanx a lot once again

[weaknessforcats]

While we're at it, I see your are using C++ so why use C-style strings??

You should be using C++ string objects. These you can compare using the == operator.