FREE Design Pattern Trivia Q&A - Test Your Knowledge

Which Design Pattern ought to be applied when...
to manage extensions of subclasses. You can create a template method that only allows extensions at certain points and calls "hook" operations elsewhere.

Factory Method

Template Method

State

Strategy

Correct! Wrong!

Which Design Pattern should you employ when...
there is a language to parse and abstract syntax trees can be used to express assertions in the language?

Singleton

Facade

Composite

Interpreter

Correct! Wrong!

Which Design Pattern ought to be applied when a large number of related classes merely differ in behavior or when you require several algorithmic variations? You may specify algorithms that represent various space/time trade-offs, for instance.

Factory Method

Strategy

Composite

Proxy

Correct! Wrong!

Which Design Pattern should you employ when...
a class must only have one instance and be reachable by clients via a well-known access point?

Factory Method

Bridge

Singleton

Prototype

Correct! Wrong!

Which Design Pattern ought to be applied when...
an object structure comprises a variety of classes of objects, each with a different interface, and you want to conduct actions on these objects that rely on their concrete classes?

Adapter

Decorator

Facade

Visitor

Correct! Wrong!

Which Design Pattern ought to be applied when a group of objects interact in intricate yet clearly defined ways? The ensuing interdependencies are chaotic and challenging to comprehend.

Mediator

Facade

Factory Method

Template Method

Correct! Wrong!

Which Design Pattern should you use when a system should be independent of the creation, composition, and representation of its products? Also, which Design Pattern should you use when the classes to instantiate are determined at runtime, such as when dynamic loading is used?

Facade

Flyweight

Prototype

Abstract Factory

Correct! Wrong!

FREE Design Pattern Trivia Question and Answers

Which Design Pattern ought to be applied when... to manage extensions of subclasses. You can create a template method that only allows extensions at certain points and calls "hook" operations elsewhere.

Which Design Pattern should you employ when... there is a language to parse and abstract syntax trees can be used to express assertions in the language?

Which Design Pattern ought to be applied when a large number of related classes merely differ in behavior or when you require several algorithmic variations? You may specify algorithms that represent various space/time trade-offs, for instance.

Which Design Pattern should you employ when... a class must only have one instance and be reachable by clients via a well-known access point?

Which Design Pattern ought to be applied when... an object structure comprises a variety of classes of objects, each with a different interface, and you want to conduct actions on these objects that rely on their concrete classes?

Which Design Pattern ought to be applied when a group of objects interact in intricate yet clearly defined ways? The ensuing interdependencies are chaotic and challenging to comprehend.

Which Design Pattern should you use when a system should be independent of the creation, composition, and representation of its products? Also, which Design Pattern should you use when the classes to instantiate are determined at runtime, such as when dynamic loading is used?

Related Post

Which Design Pattern ought to be applied when...
to manage extensions of subclasses. You can create a template method that only allows extensions at certain points and calls "hook" operations elsewhere.

Which Design Pattern should you employ when...
there is a language to parse and abstract syntax trees can be used to express assertions in the language?

Which Design Pattern should you employ when...
a class must only have one instance and be reachable by clients via a well-known access point?

Which Design Pattern ought to be applied when...
an object structure comprises a variety of classes of objects, each with a different interface, and you want to conduct actions on these objects that rely on their concrete classes?