Update README.md

iluwatar · iluwatar · commit 30ea82d9ef8f · 2014-08-24T20:28:33.000+03:00
diff --git a/README.md b/README.md
@@ -128,6 +128,13 @@
 ##Chain of responsibility
 **Intent:** Avoid coupling the sender of a request to its receiver by giving more than one object a chance to handle the request. Chain the receiving objects and pass the request along the chain until an object handles it.
 
+![alt text](https://github.com/iluwatar/java-design-patterns/blob/master/chain/etc/chain.jpg "Chain of Responsibility")
+
+**Applicability:** Use Chain of Responsibility when
+* more than one object may handle a request, and the handler isn't known a priori. The handler should be ascertained automatically
+* you want to issue a request to one of several objects without specifying the receiver explicitly
+* the set of objects that can handle a request should be specified dynamically
+
 ##Command
 **Intent:** Encapsulate a request as an object, thereby letting you parameterize clients with different requests, queue or log requests, and support undoable operations.
 
