1 publicabstractclass Employee
 2     {
 3 publicvoid GetSalary()
 4         {
 5             GetBasicSalary();
 6             AddBonus();
 7         }
 8 
 9 protectedabstractvoid GetBasicSalary();
10 protectedabstractvoid AddBonus();
11     }

 1 publicclass Manager : Employee
 2     {
 3 protectedoverridevoid GetBasicSalary()
 4         {
 5             Console.WriteLine("Get Manager Basic Salary");
 6         }
 7 
 8 protectedoverridevoid AddBonus()
 9         {
10             Console.WriteLine("Add Manager Bonus");
11         }
12     }
13 
14 publicclass CEO : Employee
15     {
16 protectedoverridevoid GetBasicSalary()
17         {
18             Console.WriteLine("Get CEO Basic Salary");
19         }
20 
21 protectedoverridevoid AddBonus()
22         {
23             Console.WriteLine("Add CEO Bonus");
24         }
25     }