/* in this code i am going to make one base class and three derived classes explaning everything from polymophism*/ #include using namespace std; //base class /*in c++ the base is like the (grandfather) because this is were everything starts */ class fruits { public:/*i used the public accsess specifer (because i want the following stuff to be accessed from the derived class )*/ virtual void fruit_type()=0;/*this is wat we call a pure virtual function . a pure virtual function is like a function with out a body and can only be declared and used (in other words you use it when you need it !!!)*/ }; //derived class /*in c++ the derived class is like the (grand child) meaning she is inheriting stuff from the grand father and can only get accses to the grandfathers stuff with a will(private or protected accsess spesifers ) */ class apple: public fruits {/*i put the (public fruits )statement because i want everything public in the base class(class fruits)to be accessile note that if you dont put public you might get a complete different answer (error )note : by using the public accesss specifer you are trying to get everything public from the base class */ public: void fruit_type() { cout << " the fruit is an APPLE!! " << endl; } }; //derived class class grapes: public fruits { public: void fruit_type() { cout << " those are GRAPES!!! " << endl; } }; //derived class class banana: public fruits { public: void fruit_type() { cout << " these are bananas!!!! " << endl; } }; //main functoin int main() { /*this is the main function (AKA) were everything is accsessed (or made to work) now i have created an object for the following fruits */ apple obj1; grapes obj2; banana obj3; /*do not panic i but the pointers to intimidate you cause some people dont even know how to use them so i gave it a shot i have created a pointer called (ptr)..ptr has 3 elements i made the elemnts represent the address of the above objects i made a for loop to execute the code hope you understand inheritence and polymophism*/ fruits *ptr[3]; ptr[0] = &obj1; ptr[1] = &obj2; ptr[2] = &obj3; for(int x ; x < 3 ; x++) { ptr[x]->fruit_type(); } cout << " thank you for reading my code !! " << endl; return 0; }

inheritence and polymorphism