标签：provides original des amp ora struct which tac nali
Decorator pattern allows a user to add new functionality to an existing object without altering its structure.
This type of design pattern comes under structural pattern.
This pattern creates a decorator class which wraps the original class and provides additonal functionality keeping class methods signature intact.
Below diagram and code is an example of the Decorator Design Pattern.
标签：provides original des amp ora struct which tac nali
原文地址：https://www.cnblogs.com/codingyangmao/p/11252131.html
