string printCourseName();
double GetOnlineCourseFee();
double GetOfflineCourseFee();
class Diploma : IOnline, IOffline, ICourseName
public string courseName;
public Diploma(string cn, double cf)
public string printCourseName()
public double GetOnlineCourseFee()
return (courseFee - courseFee/10);
public double GetOfflineCourseFee()
public static void Main()
Console.WriteLine("Enter course name:");
string cn = Convert.ToString(Console.ReadLine());
Console.WriteLine("Enter course fees:");
int cf = Convert.ToInt32(Console.ReadLine());
Diploma dse = new Diploma(cn, cf);
Console.WriteLine("Course Name: " + dse.printCourseName());
dse.GetOnlineCourseFee();
Console.WriteLine("Online Fees: " + dse.GetOnlineCourseFee());
dse.GetOfflineCourseFee();
Console.WriteLine("Offline Fees: " + dse.GetOfflineCourseFee());