Adapter Design Pattern In Java Geeksforgeeks

In software engineering the adapter pattern is a software design pattern that allows the interface of an existing class to be used as another interface.

Adapter design pattern in java geeksforgeeks. Software design patterns design patterns are used to represent some of the best practices adapted by experienced object oriented software developers. 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. A design pattern systematically names motivates and explains a general design that addresses a recurring design problem in object oriented systems. It defines the application specific interface that client uses directly.

Adapter pattern works as a bridge between two incompatible interfaces. The adapter pattern deals with how the classes are composed to form larger. Adapter pattern example consider a scenario in which there is an app that s developed in the us which returns the top speed of luxury cars in miles per hour mph. The classes and or objects participating in this pattern are listed as below.

Now we need to use the same app for our client in the uk that wants the same results but in kilometers per hour km h. 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. Adapter design pattern class diagram. Here instead of having an adaptee object inside adapter composition to make use of its functionality adapter inherits the adaptee.

This type of design pattern comes under structural pattern as this pattern combines the capability of two independent interfaces. Now when we have a good understanding of what s an adapter looks like let s identify the actors used into adapter design pattern. Adapter pattern lets you wrap an otherwise incompatible object in an adapter to make it compatible with another class. Adapter design pattern example in jdk.

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. Some of the adapter design pattern example i could easily find in jdk classes are. This article explains adapter design pattern in java with class diagrams and example code.