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Decorator pattern allows a user to add new functionality to an existing object without altering its structure.This pattern creates a decorator class which wraps the original class and provides additional functionality keeping the class methods signature intact.

When you want to get rid of too many sub classes by creating separate class for each combination.

This repository contains working project code used in video Course by Packt Publication with title "Learn Design Patterns with Java " authored by "Aseem Jain".

https://www.packtpub.com/application-development/learn-design-patterns-java-9-video

https://premaseem.wordpress.com/category/computers/design-patterns/

https://www.facebook.com/DesignPatternGuru/

• This code base will work on Java 9 and above versions.
• diagrams folders carry UML diagrams.
• pattern folder has code of primary example.
• patternBonus folder has code of secondary or bonus example.