Here is an example program to illustrate multilevel inheritance.
// example of multilevel inheritance // Parent class #include<iostream> using namespace std; class person { private: char name[15], address[15]; public: void getdata() { cout<<"\nEnter Name: "; cin>>name; cout<<"\nEnter address: "; cin>>address; } void showdata() { cout<<endl<<"Name: "<<name; cout<<endl<<"Address: "<<address; } }; // derived class from parent class Person class employee:public person { private: int empID; public: void getdata() { person::getdata(); cout<<"\nEnter employee ID "; cin>>empID; } void showdata() { person::showdata(); cout<<endl<<"Employee ID: "<<empID; } }; // derived class from parent class person class manager: public employee { private: char qual[10]; public: void getdata() { employee::getdata(); cout<<"\nEnter qualification: "; cin>>qual; } void showdata() { employee::showdata(); cout<<"\nQualification: "<<qual; } }; // driver program int main() { manager obj; obj.getdata(); obj.showdata(); return 0; }
The output of the program is: