@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.
