sorry overriding is redifining virtual function On Sun, Jul 31, 2011 at 10:05 PM, Anika Jain <[email protected]> wrote:
> overriding redefining virtual function.. > Well then as per this definition not defining the func as virtual is nt the > solution.. > > > On Sun, Jul 31, 2011 at 10:04 PM, aditi garg <[email protected]>wrote: > >> @ Ankit: Wat is overriding actually thn? >> >> >> On Sun, Jul 31, 2011 at 9:58 PM, Anika Jain <[email protected]>wrote: >> >>> ohkk.. m so sorry >>> >>> >>> On Sun, Jul 31, 2011 at 9:41 PM, Ankit Minglani < >>> [email protected]> 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 <[email protected]>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 <[email protected]>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 >>>>>> <[email protected]>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 <[email protected]>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 < >>>>>>>> [email protected]> 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 >>>>>>>>> <[email protected]>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 < >>>>>>>>>> [email protected]> 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 < >>>>>>>>>>> [email protected]> 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) >>>>>>>>>>> >>>>>>>>>>> >>>>>>>>>>> -- >>>>>>>>>>> You received this message because you are subscribed to the >>>>>>>>>>> Google Groups "Algorithm Geeks" group. >>>>>>>>>>> To post to this group, send email to [email protected]. >>>>>>>>>>> To unsubscribe from this group, send email to >>>>>>>>>>> [email protected]. >>>>>>>>>>> For more options, visit this group at >>>>>>>>>>> http://groups.google.com/group/algogeeks?hl=en. >>>>>>>>>>> >>>>>>>>>> >>>>>>>>>> -- >>>>>>>>>> You received this message because you are subscribed to the Google >>>>>>>>>> Groups "Algorithm Geeks" group. >>>>>>>>>> To post to this group, send email to [email protected]. >>>>>>>>>> To unsubscribe from this group, send email to >>>>>>>>>> [email protected]. >>>>>>>>>> For more options, visit this group at >>>>>>>>>> http://groups.google.com/group/algogeeks?hl=en. >>>>>>>>>> >>>>>>>>> >>>>>>>>> >>>>>>>>> >>>>>>>>> -- >>>>>>>>> >>>>>>>>> Regards >>>>>>>>> Himanshu Kansal >>>>>>>>> Msc Comp. sc. >>>>>>>>> (University of Delhi) >>>>>>>>> >>>>>>>>> -- >>>>>>>>> You received this message because you are subscribed to the Google >>>>>>>>> Groups "Algorithm Geeks" group. >>>>>>>>> To post to this group, send email to [email protected]. >>>>>>>>> To unsubscribe from this group, send email to >>>>>>>>> [email protected]. >>>>>>>>> For more options, visit this group at >>>>>>>>> http://groups.google.com/group/algogeeks?hl=en. >>>>>>>>> >>>>>>>> >>>>>>>> -- >>>>>>>> You received this message because you are subscribed to the Google >>>>>>>> Groups "Algorithm Geeks" group. >>>>>>>> To post to this group, send email to [email protected]. >>>>>>>> To unsubscribe from this group, send email to >>>>>>>> [email protected]. >>>>>>>> For more options, visit this group at >>>>>>>> http://groups.google.com/group/algogeeks?hl=en. >>>>>>>> >>>>>>> >>>>>>> -- >>>>>>> You received this message because you are subscribed to the Google >>>>>>> Groups "Algorithm Geeks" group. >>>>>>> To post to this group, send email to [email protected]. >>>>>>> To unsubscribe from this group, send email to >>>>>>> [email protected]. >>>>>>> For more options, visit this group at >>>>>>> http://groups.google.com/group/algogeeks?hl=en. >>>>>>> >>>>>> >>>>>> -- >>>>>> You received this message because you are subscribed to the Google >>>>>> Groups "Algorithm Geeks" group. >>>>>> To post to this group, send email to [email protected]. >>>>>> To unsubscribe from this group, send email to >>>>>> [email protected]. >>>>>> For more options, visit this group at >>>>>> http://groups.google.com/group/algogeeks?hl=en. >>>>>> >>>>> >>>>> -- >>>>> You received this message because you are subscribed to the Google >>>>> Groups "Algorithm Geeks" group. >>>>> To post to this group, send email to [email protected]. >>>>> To unsubscribe from this group, send email to >>>>> [email protected]. >>>>> For more options, visit this group at >>>>> http://groups.google.com/group/algogeeks?hl=en. >>>>> >>>> >>>> >>>> >>>> -- >>>> The more you sweat in the field, the less you bleed in war." >>>> >>>> Ankit Minglani >>>> NITK Surathkal >>>> >>>> -- >>>> You received this message because you are subscribed to the Google >>>> Groups "Algorithm Geeks" group. >>>> To post to this group, send email to [email protected]. >>>> To unsubscribe from this group, send email to >>>> [email protected]. >>>> For more options, visit this group at >>>> http://groups.google.com/group/algogeeks?hl=en. >>>> >>> >>> -- >>> You received this message because you are subscribed to the Google Groups >>> "Algorithm Geeks" group. >>> To post to this group, send email to [email protected]. >>> To unsubscribe from this group, send email to >>> [email protected]. >>> For more options, visit this group at >>> http://groups.google.com/group/algogeeks?hl=en. >>> >> >> >> >> -- >> Aditi Garg >> Undergraduate Student >> Electronics & Communication Divison >> NETAJI SUBHAS INSTITUTE OF TECHNOLOGY >> Sector 3, Dwarka >> New Delhi >> >> >> -- >> You received this message because you are subscribed to the Google Groups >> "Algorithm Geeks" group. >> To post to this group, send email to [email protected]. >> To unsubscribe from this group, send email to >> [email protected]. >> For more options, visit this group at >> http://groups.google.com/group/algogeeks?hl=en. >> > > -- You received this message because you are subscribed to the Google Groups "Algorithm Geeks" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en.
