static void Main(string[] args)
{
Console.WriteLine("This is old class");
OldClass m = new OldClass();
m.Method1();
m.Method2();
}
static void Main(string[] args)
{
///Method Extension on classes
OldClass old = new OldClass();
old.Method1();
old.Method2();
old.Method3();
old.Method4(4);
///Method Extension on structure
int n = 5;
long f = n.Factorial();
Console.WriteLine("Factorial of {0} is {1}", n, f);
int a = 9, b = 9, sum = 0;
sum = sum.AddAB(a, b);
Console.WriteLine("{0} + {1} = {2}", a, b, sum);
///Method Extension on sealed classes
string s = " mY name is Jitu ";
Console.WriteLine("Orginal String : " + s);
string ps = s.ToProper();
Console.WriteLine("Proper Case : " + ps);
/*
* ///Have a look of these Trim()
* string p = " jitu is ";
* Console.WriteLine(p.Trim());
* Console.WriteLine(p.TrimStart());
* Console.WriteLine(p.TrimEnd());
*/
}