Adapter Design Pattern In Java Example
This is the desired interface class which will be used by the clients.
Adapter design pattern in java example. 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. Full code example in java with detailed comments and explanation. Adapter design pattern. Consider a captain that can only use rowing boats and cannot sail at all.
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. Uml for adapter pattern. Though it s very basic usage but it s what an adapter does right. The adapter pattern describes how to convert an object into another object which a clients expects.
1 java util arrays aslist this method accepts multiple strings and return a list of input strings. 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. I will also highlight the differences between the decorator design pattern see my previous article decorator design pattern in java here and the adapter design pattern. Example of adapter pattern.
Adapter is a structural design pattern which allows incompatible objects to collaborate. Adapter design pattern example in jdk. It is often used to make existing classes work with others without modifying their source code. This pattern involves a single class which is responsible to join functionalities of independent or incompatible interfaces.
Some of the adapter design pattern example i could easily find in jdk classes are. Other example implementations of adapter design pattern. There are the following specifications for the adapter pattern. This article explains adapter design pattern in java with class diagrams and example code.
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. Adapter pattern in java. The adapter pattern is widely known in software development and used in many programming languages e g java. This type of design pattern comes under structural pattern as this pattern combines the capability of two independent interfaces.
Adapter pattern works as a bridge between two incompatible interfaces. After 3 years of work i ve finally released the ebook on design patterns. The adapter pattern deals with how the classes are composed to form larger. Let s understand the example of adapter design pattern by the above uml diagram.