Adapter Design Pattern In Java

Participants of adapter design pattern.

Adapter design pattern in java. An adapter wraps an existing class with a new interface so that it becomes compatible with the client s interface. Uml for adapter pattern. The classes and or objects participating in this pattern are listed as below. Some of the adapter design pattern example i could easily find in jdk classes are.

Adapter class makes classes with incompatible interfaces work together adapter design pattern is a structural design pattern among the gang of four gof article on gof patterns their types design patterns. This is the desired interface class which will be used by the clients. There are the following specifications for the adapter pattern. This pattern involves a single class which is responsible to join functionalities of independent or.

This tutorial demonstrates how to use the adapter pattern in java focusing on use cases and types of adapters class object and two ways adapter patterns. An adapter pattern acts as a connector between two incompatible interfaces that otherwise cannot be connected directly. Adapter pattern works as a bridge between two incompatible interfaces. It defines the application specific interface that client uses directly.

It is typical for the expected interface to be created as a pure interface class especially in languages such as java before jdk 1 8 that do not support multiple inheritance of classes. Example of adapter pattern. Adapter design pattern class diagram. This type of design pattern comes under structural pattern as this pattern combines the capability of two independent interfaces.

Adapter design pattern example in jdk. The adapter pattern deals with how the classes are composed to form larger. Java util arrays aslist java io inputstreamreader inputstream returns a reader java io outputstreamwriter outputstream returns a writer that s all for adapter design pattern in. Let s understand the example of adapter design pattern by the above uml diagram.

This article explains adapter design pattern in java with class diagrams and example code. This adapter pattern uses multiple polymorphic interfaces implementing or inheriting both the interface that is expected and the interface that is pre existing.