pattern question

anton-liauchuk · anton-liauchuk · commit 3a70751fe427 · 2020-06-15T13:12:45.000+03:00
diff --git a/README.md b/README.md
@@ -214,6 +214,7 @@ At the beginning, it was the repository with questions from Java interviews. Cur
 - [How to initialize object depends on type?](patterns.md#how-to-initialize-object-depends-on-type)
 - [Why Dependency Injection is needed?](patterns.md#why-dependency-injection-is-needed)
 - [Should services always return dtos?](patterns.md#should-services-always-return-dtos)
+- [The difference between adapter and decorator?](patterns.md#the-difference-between-adapter-and-decorator)
 
 ## DDD
 - [What is DDD?](ddd.md#what-is-ddd)
diff --git a/patterns.md b/patterns.md
@@ -10,6 +10,7 @@
 - [How to initialize object depends on type?](#how-to-initialize-object-depends-on-type)
 - [Why Dependency Injection is needed?](#why-dependency-injection-is-needed)
 - [Should services always return dtos?](#should-services-always-return-dtos)
+- [The difference between adapter and decorator?](#the-difference-between-adapter-and-decorator)
 
 ## Which architectural patterns you know?
 + Layered Pattern
@@ -79,4 +80,11 @@ Dependency injection is one of two ways of how to remove dependencies in your co
 - https://stackoverflow.com/questions/21554977/should-services-always-return-dtos-or-can-they-also-return-domain-models
 - https://vaadin.com/learn/tutorials/ddd/ddd_and_hexagonal
 
+## The difference between adapter and decorator?
+**Decorator**, attach additional responsibilities to an object dynamically.
+
+**Adapter**, adapts interface of an existing class to another interface.
+###### Relative links:
+- https://stackoverflow.com/questions/42737096/design-patterns-adapter-pattern-vs-decorator-pattern
+
 [Home Page](README.md)
