Design Patterns

It is used to help make a system independent of how its objects are created, composed and represented

• structural patterns

• behavioral patterns

• creational patterns

• none of the above

They are used to deal with assignment of responsibilities to objects and communication between objects

• structural patterns

• behavioral patterns

• creational patterns

• none of the above

They are concerned with how classes and objects are organized and composed to build larger structures

• structural patterns

• behavioral patterns

• creational patterns

• none of the above

It separates an object’s interface from its implementation

• adapter

• composite

• bridge

• decorator

It adds responsibilities to objects dynamically

• adapter

• composite

• bridge

• decorator

A tree structure of simple and composite objects

• adapter

• composite

• bridge

• decorator

It matches interfaces of different classes

• adapter

• composite

• bridge

• decorator

It is a single class that represents an entire subsystem.

• flyweight

• facade

• proxy

• singleton

It is a class which only a single instance exist

• flyweight

• facade

• proxy

• singleton

It is a fine-grained instance used for efficient sharing

• flyweight

• facade

• proxy

• singleton