Learn Data Structures and Algorithms with Golang

Decorator

In a scenario where class responsibilities are removed or added, the decorator pattern is applied. The decorator pattern helps with subclassing when modifying functionality, instead of static inheritance. An object can have multiple decorators and run-time decorators. The single responsibility principle can be achieved using a decorator. The decorator can be applied to window components and graphical object modeling. The decorator pattern helps with modifying existing instance attributes and adding new methods at run-time.

The decorator pattern participants are the component interface, the concrete component class, and the decorator class:

• The concrete component implements the component interface.
• The decorator class implements ...