1 using System; 2 3 public class Sample { Sample()4 public Sample () { 5 } 6 run()7 public void run () { 8 Console.WriteLine ("Hello World"); 9 } 10 Main(string[] args)11 static int Main (string[] args) { 12 Sample sample = new Sample (); 13 sample.run (); 14 return 0; 15 } 16 } 17