Get Exit from a Method in C#

Below Codes will help us, how to exit from any method if the condition is true. 
  1. class Program {  
  2.     static void Main(string[] args) {  
  3.         show(5);  
  4.         Console.WriteLine("Exit");  
  5.         Console.ReadLine();  
  6.     }  
  7.     public static void show(int num) {  
  8.         if (num > 10) {  
  9.             return;  
  10.         }  
  11.         Console.WriteLine("Not Exit");  
  12.         for (int i = 0; i < num; i++) {  
  13.             Console.WriteLine(i);  
  14.         }  
  15.     }  
  16. }