static void Main(string[] args)
{
int choice;
Console.WriteLine("1. String\n2. LeapYear\n3.Power\n4.Flipcoin\n5.Harmonic\n6.Factor");
Console.WriteLine("Enter your choice :");
choice = int.Parse(Console.ReadLine());
switch (choice)
{
case 1:
String s = new String();
s.Run(); break;
case 2:
LeapYear obj = new LeapYear();
obj.readdata();
break;
case 3:
Power pow = new Power();
pow.highest();
break;
case 4:
Flipcoin.Flip();
break;
case 5:
Harmonic.Harmon();
break;
case 6:
Factor fa = new Factor();
fa.fact();
break;
default:
Console.WriteLine("Invalid Choice");
break;
}
}
public static void Harmon()
{
double N;
Harmonic h = new Harmonic();
Console.WriteLine("enter harmonic value:");
N = int.Parse(Console.ReadLine());
if (N != 0)
{
double r = 0.0;
for (double i = 1; i <= N; i++)
{
r = r + (1 / i);
}
Console.WriteLine("the Nth Harmonic number will be:" + r);
Console.ReadLine();
}
}