Java Design Patterns: A Hands-On Experience with Real-World Examples

© Vaskaran Sarcar 2019

Vaskaran SarcarJava Design Patternshttps://doi.org/10.1007/978-1-4842-4078-6_8

8. Adapter Pattern

Vaskaran Sarcar¹ 

(1)

Bangalore, Karnataka, India

 

This chapter covers the adapter pattern.

GoF Definition

Convert the interface of a class into another interface that clients expect. Adapter lets classes work together that could not otherwise because of incompatible interfaces.

Concept

The core concept is best described by the following examples.

Real-World Example

A very common use of this pattern can be seen in an electrical outlet adapter/AC power adapter in international travels. These adapters act as a middleman when an electronic device (let’s say, a laptop) that accepts a US power supply can be plugged into a European power outlet. ...