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add theory here
member functions in the derived class has the same name as that in base class

//program to demonstrate single level inheritance, class is derived from base class through public access mode
//member functions in the derived class has the same name as that in base class
#include<iostream.h>
#include<conio.h>
class employee
{
	int ecode;
	char ename[20];
public:
	void getdata()
	{
		cout<<"\nenter employee code ";
		cin>>ecode;
		cout<<"\nenter employee name ";
		cin>>ename;
	}
	void showdata()
	{
		cout<<"\nemployee code is "<<ecode;
		cout<<"\nemployee name is "<<ename;
	}
};
class manager:public employee
{
	char title[20];
public:
	void getdata()
	{
		employee::getdata();
		cout<<"\nenter title of manager(senior/junior) ";
		cin>>title;
	}
	void showdata()
	{
		employee::showdata();
		cout<<"\ntitle of manager is "<<title;
	}
};
void main()
{
	manager ob;
        clrscr();
	ob.getdata(); //getdata function of manager class called here which in turns calls getdata function of employee class
	ob.showdata(); //showdata function of manager class called here which in turns calls showdata function of class employee
	getch();
}