@ 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) >>>>>> >>>>>> >>>>>> -- >>>>>> You received this message because you are subscribed to the Google >>>>>> Groups "Algorithm Geeks" group. >>>>>> To post to this group, send email to algogeeks@googlegroups.com. >>>>>> To unsubscribe from this group, send email to >>>>>> algogeeks+unsubscr...@googlegroups.com. >>>>>> 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 algogeeks@googlegroups.com. >>>>> To unsubscribe from this group, send email to >>>>> algogeeks+unsubscr...@googlegroups.com. >>>>> 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 algogeeks@googlegroups.com. >>>> To unsubscribe from this group, send email to >>>> algogeeks+unsubscr...@googlegroups.com. >>>> 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 algogeeks@googlegroups.com. >>> To unsubscribe from this group, send email to >>> algogeeks+unsubscr...@googlegroups.com. >>> 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 algogeeks@googlegroups.com. >> To unsubscribe from this group, send email to >> algogeeks+unsubscr...@googlegroups.com. >> 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 algogeeks@googlegroups.com. > To unsubscribe from this group, send email to > algogeeks+unsubscr...@googlegroups.com. > 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. 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