Update README.md

iluwatar · iluwatar · commit db4625b9fef1 · 2014-08-23T18:48:18.000+03:00
diff --git a/README.md b/README.md
@@ -70,3 +70,5 @@
 ##Template method
 **Intent:** Define the skeleton of an algorithm in an operation, deferring some steps to subclasses. Template method lets subclasses redefine certain steps of an algorithm without changing the algorithm's structure.
 
+##Visitor
+**Intent:** Represent an operation to be performed on the elements of an object structure. Visitor lets you define a new operation without changing the classes of the elements on which it operates.
