Added real world example for Proxy.

Author: iluwatar

README.md

@@ -200,6 +200,9 @@
 * facilitate network connection
 * to count references to an object
 
+**Real world examples:**
+* [java.lang.reflect.Proxy](http://docs.oracle.com/javase/6/docs/api/java/lang/reflect/Proxy.html)
+
 ## <a name="service-locator">Service Locator</a> [&#8593;](#list-of-design-patterns)
 **Intent:** Encapsulate the processes involved in obtaining a service with a strong abstraction layer.