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https://github.com/shravan20/design-patterns

Catalog of Design Patterns
https://github.com/shravan20/design-patterns

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Catalog of Design Patterns

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# Catalog of Design Patterns

[![Java CI with Maven](https://github.com/shravan20/design-patterns/actions/workflows/maven.yml/badge.svg)](https://github.com/shravan20/design-patterns/actions/workflows/maven.yml)

- [ ] **Creational Design Pattern**
- [ ] Factory Method : Creates an instance of several derived classes
- [ ] Abstract Method : Creates an instance of several families of classes
- [ ] Buider : Separates object construction from its representation
- [ ] Prototype : A fully initialized instance to be copied or cloned
- [ ] Singleton : A class of which only a single instance can exist

- [ ] **Structural Design Pattern**
- [ ] Adapter : Matches interfaces of different classes
- [ ] Bridge : Separates an object's interface from it's implementation
- [ ] Composite : A tree structure of simple and composite objects
- [ ] Decorator : Add responsibilities to objects dynamically
- [ ] Facade : A single class that represents an entire sub-system
- [ ] Flyweight : A fine grained instance used for efficient sharing
- [ ] Proxy : An object representing another object
- [ ] Private Data Class: Restricts accessor/mutator access

- [ ] **Behavioural Design Pattern**
- [ ] Chain of Responsibility : A way of passing a request between a chain of objects
- [ ] Command : Encapsulate a command request as an object
- [ ] Iterator : Sequentially access the elements of a collection
- [ ] Mediator : Defines simplified communication between classes
- [ ] Memento : Capture and restore an object's internal state
- [ ] Observer :A way of notifying change to a number of classes
- [ ] State : Alter an object's behaviour when its state changes
- [ ] Strategy : Encapsulates an algorithm inside a class
- [ ] Template Method : Defer the exact steps of an algorithm to a subclass
- [ ] Visitor : Defines a new operation to a class without change
- [ ] Null Object : Designed to act as a default value of an object
- [ ] Interpreter : A way to include language elements in a program

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