adapter design pattern in java javarevisited

How to implement adapter design pattern in Java?
There are two ways to implement the Adapter design pattern in Java, one using Inheritance also known as the Class Adapter pattern and the other is using Composition, better known as Object Adapter pattern. In both cases, it's better to declare client interacting public methods in an interface, you may call it target interface.

What Is A Design Pattern?

A software design pattern is a general, reusable solution to a commonly occurring problem within a given context in software design. medium.com

Why Should I Learn Patterns?

Toolbox of time-testedsolutions to common problems in software design.Defines a common language between the team and organization to solve emerging issues related to technological advancements.Start understanding patterns in libraries and languages. medium.com

Classification of Patterns

There are 7 types of Structural Design patterns: 1. Adapter 2. Bridge 3. Facade 4. Decorator 5. Flyweight 6. Composite 7. Proxy In this article, we will focus in detail on the Adapter design pattern. medium.com

Usage

It allows objects with incompatible interfaces to collaborate by combining the capability of two independent interfaces. medium.com

Existing Problem

There is a class(Client) that expects certain objects to work with. Suddenly, there is a new requirement that the client class needs to work with a completely different object which is not compatible with the existing ones. medium.com

How Can The Adapter Pattern Help?

There will be an Adapter class as an intermediary and will implement the existing interface. It will be composed of the new interface. The client now makes a request to the adapter(unaware that it is the adapter because the Adapter still implements the existing interface) by calling a method on it using the target interface. The adapter translates

Code

We have a toy RabbitSimulatorclass that tests the sounds made by different types of toy rabbit instances. Let’s assume that we are short on toy rabbit objects and we would like to use Turkeyobjects in their place. Turkeys have some similar functionality but implement a different interface, so we can’t use them directly. Below is the client code whi

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