doh-csharp-4.bcl.md

@@ -15,6 +15,8 @@
     * [3-5. System.Runtime.Serialization.Formatters.Binary.BinaryFomatter](#binaryformatter)  
     * [3-6. System.Xml.Serialization.XmlSerializer](#xmlserializer)  
     * [3-7. System.Runtime.Serialization.Json.DataContractJsonSerializer](#datacontractjsonserializer)  
+* [4. 컬렉션](#컬렉션)  
+
 
 
 -- -- --
@@ -587,3 +589,4 @@ public class JsonSerializerEx
 }
 ```  
 
+## 컬렉션