Java Design Patterns Interview Questions and Answers

Answer:

Decorator design pattern is used to enhance the functionality of a particular object at run-time or dynamically.
At the same time other instance of same class will not be affected by this so individual object gets the new behavior.
Basically we wrap the original object through decorator object.
Decorator design pattern is based on abstract classes and we derive concrete implementation from that classes,
It�s a structural design pattern and most widely used.

Is it helpful? Yes No

Most helpful rated by users: