UGC NET CSE | January 2017 | Part 2 | Question: 45

Question

A software design pattern used to enhance the functionality of an object at run-time is:

• A. Adapter
• B. Decorator
• C. Delegation
• D. Proxy

Answer 1

optin 2

Decorator-- In object-oriented programming, the decorator pattern (also known as Wrapper, an alternative naming shared with the Adapter pattern) is a design pattern that allows behavior to be added to an individual object, either statically or dynamically, without affecting the behavior of other objects from the same class.

Answer 2

2. decorator... used in object oriented se

Answer 3

Decorator is used to enhance the functionality of an object at run-time, i.e. it allows you to add new behavior to other objects at run-time.

So, option (2) is correct.