PRA_24

/* A program to demonstrate single inheritance by private derivation. */
#include<iostream>
using namespace std;
class Distance 
{
	float d;
	public:
		int getDistance()
		{
			cout << "Enter total Distance in meter :";
			cin >> d;
			cout << endl;
			return d;
		}
		void putDistance()
		{
			cout << "Distance = " <<d<<endl;
		}
};
class speed : private Distance
{
	float t,s;
	public:
		void getTime()
		{
			
			cout << "Enter total Time in Seconds : ";
			cin >>t;
			s=t*getDistance();
		}
		void putSpeed()
		{
			cout << "Speed of Vehicle = "<<s<<" m/s"<<endl;
		}		
};
int main()
{
	cout <<"For Car"<<endl;
	speed car;
	car.getTime();
	car.putSpeed();
	cout << endl<< "For Truck"<<endl;
	speed truck;
	truck.getTime();
	truck.putSpeed();
	return 0;
}
/*
Output:
For Car
Enter total Time in Seconds : 500
Enter total Distance in meter :40

Speed of Vehicle = 20000 m/s

For Truck
Enter total Time in Seconds : 666
Enter total Distance in meter :33

Speed of Vehicle = 21978 m/s

--------------------------------
Process exited after 25.92 seconds with return value 0
Press any key to continue . . .
*/