Thread: Can some one help to correct my understanding?

Hi there, I just found a possibly big mistake in my C++ understanding.

In below code, BBB:: print overwrites AAA:: print which is virtual, but there is no virtual keyword in BBB. Does this mean calling to print via a BBB pointer is static binding? I supposed so before today, but just now below sample program did not run as I expected.

It's known to me BBB:: print will overwrite AAA:: print, and my question is, will BBB:: print still keep the virtual attribute so that CCC:: print will also overwite it? I cannot believe I have such a big mis-understanding.


Thanks for your comments.

Code:

#include <stdio.h>

struct AAA
{
    virtual void print(void)
    {
        printf("%s\n", __PRETTY_FUNCTION__);
    }
};

struct BBB : public AAA
{
    void print(void)
    {
        printf("%s\n", __PRETTY_FUNCTION__);
    }
    
    void print(void) const
    {
        printf("%s\n", __PRETTY_FUNCTION__);
    }
};

struct CCC : public BBB
{
    void print(void)
    {
        printf("%s\n", __PRETTY_FUNCTION__);
    }
};

Thanks. It's clear summary.