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index aafef7e55..458c7ea01 100644
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@@ -8,3 +8,8 @@ Design pattern samples in Java.
 Abstract Factory
 ================
 Intent: Provide an interface for creating families of related or dependent objects without specifying their concrete classes.
+
+
+Builder
+=======
+Intent: Separate the construction of a complex object from its representation so that the same construction process can create different representations.