Adapter Pattern With Example In Java

Full code example in java with detailed comments and explanation.

Adapter pattern with example in java. We are demonstrating use of adapter pattern via following example in which an audio player device can play mp3 files only and wants to use an advanced audio player capable of playing vlc and mp4 files. Now when we have a good understanding of what s an adapter looks like let s identify the actors used into adapter design pattern. This article explains adapter design pattern in java with class diagrams and example code. The classes and or objects participating in this pattern are listed as below.

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. Adapter is a structural design pattern which allows incompatible objects to collaborate. Some say that the adapter pattern is just a fix for a badly designed system which. 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 java. We have a mediaplayer interface and a concrete class audioplayer implementing the mediaplayer interface. 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. Watch out for the downsides.

The adapter pattern describes how to convert an object into another object which a clients expects. While this example may be overkill it illustrates how the adapter pattern can work. Adapter pattern in java. Some of the adapter design pattern example i could easily find in jdk classes are.

The adapter pattern is widely known in software development and used in many programming languages e g java. It defines the application specific interface that client uses directly. Participants of adapter design pattern. After 3 years of work i ve finally released the ebook on design patterns.

Since multiple inheritance is not supported by many languages including java and is associated with many problems we have not shown implementation using class adapter pattern. Class diagram of class adapter pattern. Adapter design pattern example in jdk.