It is also known as Wrapper, it is used when subclassing is not possible or practical to add functionality and it is used to add functionality at runtime. This pattern is

Related MCQs

• Attach additional responsibilities to an object dynamically.It provides a flexible alternative to subclassing for extending functionality.
• ————— pattern defines a runtime component that mediates the communication between a number of clients and servers.
• In which of the following pattern a class represents functionality of another class?
• What is a database wrapper class?
• _______  is a physical element that exists at runtime and represents a  computational resource. 
• ________ is a physical element that exists at runtime and represents a computational resource.
• It is also known as Virtual Constructor and it is used to define an interface for creating an object but letting the subclass decide which class to instantiate, this pattern is :
• How is Multiple Client/Multiple Service architectural pattern different from a Multiple Client/Single Service architectural pattern?
• The factory method design pattern is also known as:
• “An administrator wants to run different parts of the application in different systems, and also the system needs to exchange, add and remove the components at run-time.” Which one of the following architecture patterns will be most suitable in the context given above?