ohkk.. m so sorry
On Sun, Jul 31, 2011 at 9:41 PM, Ankit Minglani <ankit.mingl...@gmail.com>wrote:
> @anika: This is not function overriding i think .. you cannot call the f()
> function of the base class from the derived class object .. what you are
> doing is creating a object of the derived class and calling the version of
> f() that belong to derived class B .. ie is the same class object is calling
> the same class function .
>
> correct me if i m wrong .
>
>
> On Sun, Jul 31, 2011 at 8:42 AM, Anika Jain <anika.jai...@gmail.com>wrote:
>
>> @ muthu : not declaring tht function as virtual wont save overriding
>>
>> class A
>> {
>> int a;
>>
>> public:
>> void f()
>> {}
>> int f2(){}
>> };
>>
>> class B:public A
>> {
>> public:
>> void f()
>> {
>> cout<<"abc\n";
>> }
>> };
>>
>> int main()
>> {
>> B ob;
>> ob.f();
>> return 0;
>> }
>>
>> in this output is abc..
>> so overriding occured
>>
>>
>> On Sun, Jul 31, 2011 at 8:41 PM, muthu raj <muthura...@gmail.com> wrote:
>>
>>> Using friend functions we can only invoke already defined private
>>> functions. We cannot override or prevent overriding using friend functions.
>>> The problem here is how to prevent base class function from being overridden
>>> in derived class.
>>>
>>> *Muthuraj R
>>> IV th Year , ISE
>>> PESIT , Bangalore*
>>>
>>>
>>>
>>> On Sun, Jul 31, 2011 at 8:04 AM, Anika Jain <anika.jai...@gmail.com>wrote:
>>>
>>>> what if we write that function as private of base class.. and make a
>>>> function in derived class that is friend function of the base class do that
>>>> it can call tht private function of base.??
>>>>
>>>>
>>>> On Sun, Jul 31, 2011 at 8:25 PM, muthu raj <muthura...@gmail.com>wrote:
>>>>
>>>>> Yeah but there is no equivalent of final keyword in c++.....So to
>>>>> prevent member function from overriding in derived class in c++ dont
>>>>> declare
>>>>> the member function as virtual. Then it cannot be overridden in derived
>>>>> class. There is no other way of preventing a member function of base class
>>>>> from being overridden.
>>>>>
>>>>> *Muthuraj R
>>>>> IV th Year , ISE
>>>>> PESIT , Bangalore*
>>>>>
>>>>>
>>>>>
>>>>> On Sun, Jul 31, 2011 at 7:38 AM, himanshu kansal <
>>>>> himanshukansal...@gmail.com> wrote:
>>>>>
>>>>>> i think there is no keyword known as final in c++.....maybe u are
>>>>>> talking with respect to java....
>>>>>>
>>>>>>
>>>>>> On Sun, Jul 31, 2011 at 8:03 PM, muthu raj <muthura...@gmail.com>wrote:
>>>>>>
>>>>>>> By declaring the function a static final f().....
>>>>>>> *Muthuraj R
>>>>>>> IV th Year , ISE
>>>>>>> PESIT , Bangalore*
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> On Sun, Jul 31, 2011 at 7:28 AM, himanshu kansal <
>>>>>>> himanshukansal...@gmail.com> wrote:
>>>>>>>
>>>>>>>> sry i think....i misspelled d ques....
>>>>>>>> d ques was....
>>>>>>>>
>>>>>>>>
>>>>>>>> how will you protect a derived class to override base class's member
>>>>>>>> function in c++....
>>>>>>>>
>>>>>>>> say if there is a function f() in base class then derived should not
>>>>>>>> be able to
>>>>>>>> override f() to provide its own definition.....
>>>>>>>> but The function must be accessible in derived class.
>>>>>>>>
>>>>>>>>
>>>>>>>> PS:dont try to make the function private in base class( it will be
>>>>>>>> become inaccessible in derived class).
>>>>>>>>
>>>>>>>> On Sun, Jul 31, 2011 at 7:49 PM, himanshu kansal <
>>>>>>>> himanshukansal...@gmail.com> wrote:
>>>>>>>>
>>>>>>>>> how will you protect a base class to override its member function
>>>>>>>>> in
>>>>>>>>> derived class....
>>>>>>>>>
>>>>>>>>> say if there is a function f() in base class then derived cannot
>>>>>>>>> override f() to provide its own definition.....
>>>>>>>>> The function must be accessible in derived class.
>>>>>>>>>
>>>>>>>>> PS:dont try to make the function private in base class( it will be
>>>>>>>>> become inaccessible in derived class).
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> --
>>>>>>>>
>>>>>>>> Regards
>>>>>>>> Himanshu Kansal
>>>>>>>> Msc Comp. sc.
>>>>>>>> (University of Delhi)
>>>>>>>>
>>>>>>>>
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>>>>>>
>>>>>>
>>>>>> --
>>>>>>
>>>>>> Regards
>>>>>> Himanshu Kansal
>>>>>> Msc Comp. sc.
>>>>>> (University of Delhi)
>>>>>>
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>
>
>
> --
> The more you sweat in the field, the less you bleed in war."
>
> Ankit Minglani
> NITK Surathkal
>
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