C# (CSharp) TitlesTaught.Add Exemples

Exemple #1

 public void AddClass(string className)
 {
     //check if class name is there
     if (!(TitlesTaught.Contains(className)))
     {
         TitlesTaught.Add(className);
     }
 }

Exemple #2

 public void AddClass(string className)
 {
     //check if class name is there
     if (!(TitlesTaught.Contains(className)) && ((TitlesTaught == null) || (TitlesTaught.Count < ClassLimit)))
     {
         TitlesTaught.Add(className);
     }
 }