Decorator: Implementation and Example

Learn the Decorator design pattern by implementing an example program.

One real-life analogy of a Decorator can be a power drill that can have a hammer extension attached to it. The hammer extension doesn’t change its base functionality of drilling holes, but it gives the tool the ability to drill through concrete. This is what we’ll use in the code as an abstraction.

Creating a console application

We’ll create a .NET console application. Once created, we will add the IPowerDrill interface to it, which will be Service Interface used by both our drill object (Original Object) and all of its Decorators. The interface will look like this:

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