Design patterns

Recognise a pattern from a scenario or from code, tell it apart from its neighbours, and keep it with spaced review. Every answer is graded at once, and every wrong option says why.

How mastery grows

New Not yet recognised
Recognises 3 identify answers right in a row
Applies Passed on the class canvas, on paid plans
Retains Still right 21 days after recognising

Creational

Factory Method
Lesson: Read the Factory Method lesson Drill
Abstract Factory
Lesson: Read the Abstract Factory lesson Drill
Builder
Lesson: Read the Builder lesson Drill
Prototype
Lesson: Read the Prototype lesson Drill
Singleton
Lesson: Read the Singleton lesson Drill

Structural

Adapter
Lesson: Read the Adapter lesson Drill
Decorator
Lesson: Read the Decorator lesson Drill
Facade
Lesson: Read the Facade lesson Drill
Proxy
Lesson: Read the Proxy lesson Drill
Composite
Lesson: Read the Composite lesson Drill
Bridge
Lesson: Read the Bridge lesson Drill
Flyweight
Lesson: Read the Flyweight lesson Drill

Behavioural

Strategy
Lesson: Read the Strategy lesson Drill
Observer
Lesson: Read the Observer lesson Drill
Command
Lesson: Read the Command lesson Drill
State
Lesson: Read the State lesson Drill
Template Method
Lesson: Read the Template Method lesson Drill
Chain of Responsibility
Lesson: Read the Chain of Responsibility lesson Drill
Iterator
Lesson: Read the Iterator lesson Drill
Mediator
Lesson: Read the Mediator lesson Drill
Memento
Lesson: Read the Memento lesson Drill
Visitor
Lesson: Read the Visitor lesson Drill
Interpreter
Lesson: Read the Interpreter lesson Drill

Architecture

Drills coming. The lessons teach each one in the meantime.

Concurrency

Drills coming. The lessons teach each one in the meantime.

Foundations

How to read, choose and refactor towards patterns. These are lessons, without drills.