Structural Patterns

Question 1

Adapter

Answer 1

is a structural design pattern that allows objects with incompatible interfaces to collaborate.

Question 2

Adapter applies to

Answer 2

Single Responsibility Principle and Open/Closed Principle

Question 3

Bridge

Answer 3

is a structural design pattern that lets you split a large class or a set of closely related classes into two separate hierarchies—abstraction and implementation—which can be developed independently of each other.

Question 4

Bridge applies to

Answer 4

Single Responsibility Principle and Open/Closed Principle

Question 5

Composite

Answer 5

is a structural design pattern that lets you compose objects into tree structures and then work with these structures as if they were individual objects.

Question 6

Composite applies to

Answer 6

Open/Closed Principle

Question 7

Decorator

Answer 7

is a structural design pattern that lets you attach new behaviors to objects by placing these objects inside special wrapper objects that contain the behaviors.

Question 8

Decorator applies to

Answer 8

Single Responsibility Principle and Open/Closed Principle

Question 9

Facade

Answer 9

is a structural design pattern that provides a simplified interface to a library, a framework, or any other complex set of classes.

Question 10

Facade applies to

Answer 10

Single Responsibility Principle

Question 11

Flyweight

Answer 11

is a structural design pattern that lets you fit more objects into the available amount of RAM by sharing common parts of state between multiple objects instead of keeping all of the data in each object.

Question 12

Proxy

Answer 12

This pattern is a structural design pattern, that lets you provide a substitute or placeholder for another object, it controls access to the original object allowing you to perform something before or after the request reaches the original object.

Question 13

Proxy applies to

Answer 13

Open/Closed Principle