static void Main(string[] args) { // For namespace call Namespace n = new Namespace(); n.Employee(); //For Struct vs class Example StructVsClass sc = new StructVsClass(); sc.Implement(); // For Explicit and Implicit int x; double y; short s; // Explicit variable //Implicit var a = 3.5m; var b = "Zahid"; var c = new { FirstName = "zahid", Age = 21 }; // Anonymous type var Person = new { FirstName = "Mansur", LastName = "Ahmed" }; Console.WriteLine("Name = {0} ", Person.FirstName + Person.LastName); // Dynamic dynamic something = 100; something = "Ahmed"; something = 2.9m; something = new { Name = "Emon", Age = 23 }; // Abstract class And Interface var cart = new ShoppingCart(); for (int i = 0; i < cart.items.Length; i++) { Console.WriteLine(cart.items[i]); } //Operators int xo = 1, yo = 2; int zo = xo % yo; zo = xo << yo; zo = xo >> yo; zo = xo & yo; zo = xo | yo; bool joy = true; zo = xo ^ yo; joy = !true; string zoo = "za"; string ss = (zoo == null) ? "yes":"no"; //Switch case string name = "no"; switch (name) { case "yes": Console.WriteLine("yes found"); break; case "no": Console.WriteLine("no found"); break; default: Console.WriteLine("No match"); break; } //for and foreach loop for (int i = 0; i < 5; i++) { if (i == 2) { continue; } Console.WriteLine(i); } string[] names = new string[10]; foreach (var item in names) { Console.WriteLine(item); } }