Data Structures and Design Patterns

Data Structures

Type	Description
Class
Factory Method ✅	This makes an instance of several derived classes based on interfaced data or events.
Object
Abstract Factory ✅	Creates an instance of several families of classes without concrete classes.
Builder ✅	Separates object construction from its representation, always creates the same of object.
Prototype ✅	A fully initialized instance used for copying or cloning.
Singleton ✅	A class with only a single instance with global access point

Type	Description
Class
Adapter ✅	Match interfaces of different classes therefore classes can work together incompatible interfaces.
Object
Adapter ✅	Match interfaces of different classes therefore classes can work together incompatible interfaces.
Bridge ✅	Separates an object's interface from its implementation so the two can independently.
Composite ✅	A structure of simple and composite objects which makes the total object than just the sum of its parts.
Decorator ✅	Dynamically add alternate processing to objects.
Facade ✅	A single class that hides the complexity of an entire subsystem.
Flyweight ✅	A fine-grained instance used for efficient sharing of information that contained elsewhere.
Proxy ✅	A place holder object representing the true object.

Type	Description
Class
Interpreter	A way to include language elements in an application to match the grammar of the intended language.
Template Method ✅	Creates the shell of an algorithm in a method, then defer the exact steps to a subclass.
Object
Chain of Responsibility ✅	A way of passing a request between a chain of objects to find the object that can handle the request.
Command ✅	Encapsulate a command request as an object to enable, logging and/or queuing of requests, and provides error - handling for unhandled requests.
Iterator ✅	Sequentially access the elements of a collection without knowing the inner workings of the collection.
Mediator ✅	Defines simplified communication between classes to prevent a group of classes from referring explicitly to each other.
Memento ✅	Capture an object's internal state to be able to restore it later.
Observer ✅	A way of notifying change to a number of classes to ensure consistency between the classes.
State ✅	Alter an object's behavior when its state changes.
Strategy ✅	Encapsulates an algorithm inside a class separating the selection from the implementation.
Visitor ✅	Adds a new operation to a class without changing the class.

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