From 420491429f8caddcac67fb21eb0fa5cf83c56563 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ilkka=20Sepp=C3=A4l=C3=A4?= <iluwatar@gmail.com>
Date: Wed, 25 Feb 2015 21:07:40 +0200
Subject: [PATCH] Added real world example for Observer.

---
 README.md | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/README.md b/README.md
index eaf1dfc3fd38..dfb50fa14006 100644
--- a/README.md
+++ b/README.md
@@ -310,6 +310,8 @@
 
 * changing in one object leads to a change in other objects
 
+**Real world examples:**
+* [java.util.Observer](http://docs.oracle.com/javase/6/docs/api/java/util/Observer.html)
 
 ## <a name="state">State</a> [&#8593;](#list-of-design-patterns)
 **Intent:** Allow an object to alter its behavior when its internal state changes. The object will appear to change its class.