C++Talk.NET C++ language newsgroups   Archives   FAQ   Search   Memberlist   Usergroups   Register   Profile   Log in to check your private messages   Log in  define a copy constructor in a class having data member as a          C++Talk.NET Forum Index -> C++ language (comp.lang.c++) View previous topic :: View next topic   Author Message Guest Posted: Thu Nov 09, 2006 10:11 am    Post subject: define a copy constructor in a class having data member as a Hi, can anyone help me by writing a sample code of defining a copy constructor in a class having data member as an object of another class. for eg: class A{ int x; public: A(){ x=6;} }; class B{ A a1; public:B(B &b1) { ???} //how i can assign the data members?? }; Any idea ...Thanks Back to top Greg Guest Posted: Thu Nov 09, 2006 10:11 am    Post subject: Re: define a copy constructor in a class having data member dalu.gelu (AT) gmail (DOT) com wrote: Quote: can anyone help me by writing a sample code of defining a copy constructor in a class having data member as an object of another class. for eg: class A{ int x; public: A(){ x=6;} }; class B{ A a1; public:B(B &b1) { ???} //how i can assign the data members?? }; Like so: class B { public: B( B& b1 ) : a1( b1.a1 ) { } }; Greg Back to top Greg Guest Posted: Thu Nov 09, 2006 10:11 am    Post subject: Re: define a copy constructor in a class having data member dalu.gelu (AT) gmail (DOT) com wrote: Quote: Hi, can anyone help me by writing a sample code of defining a copy constructor in a class having data member as an object of another class. for eg: class A{ int x; public: A(){ x=6;} }; class B{ A a1; public:B(B &b1) { ???} //how i can assign the data members?? }; Like so: class B { A a1; public: B( B& b1 ) : a1( b1.a1 ) { } }; Greg Back to top VJ Guest Posted: Thu Nov 09, 2006 10:11 am    Post subject: Re: define a copy constructor in a class having data member dalu.gelu (AT) gmail (DOT) com wrote: Quote: Hi, can anyone help me by writing a sample code of defining a copy constructor in a class having data member as an object of another class. for eg: class A{ int x; public: A(){ x=6;} }; class B{ A a1; public:B(B &b1) { ???} //how i can assign the data members?? }; Any idea ...Thanks 1) add a public method to class A to assign a value to x 2) make class B friend of class A Back to top Display posts from previous: All Posts1 Day7 Days2 Weeks1 Month3 Months6 Months1 Year Oldest FirstNewest First         C++Talk.NET Forum Index -> C++ language (comp.lang.c++) All times are GMT Page 1 of 1   Jump to: Select a forum C/C++----------------C LanguageC Language (Moderated)C++ Language (Moderated)C++ language (comp.lang.c++)C++ language, library and standards Non-English C/C++ Newsgroups----------------C++ (German)C++ (French)  You cannot post new topics in this forum You cannot reply to topics in this forum You cannot edit your posts in this forum You cannot delete your posts in this forum You cannot vote in polls in this forum Powered by phpBB © 2001, 2006 phpBB Group SEO toolkit © 2004-2006 webmedic.