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All LessonsFree Lessons (5)

Getting Started

Who This Course is For What Are Design Patterns?Challenges with Design Patterns Unique Approach of This Course UML Conventions Used in the Course

SOLID Principles and Their Importance

Introduction to SOLID Principles What’s the Single Responsibility Principle?The Importance of the Single Responsibility Principle The Concept of Class Cohesion What’s the Open-Closed Principle?Implementing the Open-Closed Principle Considerations for the Open-Closed Principle What’s the Liskov Substitution Principle?Implementing the Liskov Substitution Principle Violation of the Liskov Substitution Principle What’s the Interface Segregation Principle?Importance of the Interface Segregation Principle When is NotImplementedException Appropriate?Considerations for the Interface Segregation Principle What’s the Dependency Inversion Principle?Implementation of the Dependency Inversion Principle Benefits of the Dependency Inversion Principle Quiz: SOLID Principles

Applications of Design Patterns

Introduction to Applications of Design Patterns Selecting Object Implementation at Runtime Replicating Complex Objects Using Large Numbers of Objects Reusing the Same Object Instance Dealing with Incompatible Code Structures Adding New Functionality to Existing Objects Simplifying Complex Back-End Logic Developing a Multitier Application Building a Complex Object Hierarchy Implementing Complex Conditional Logic Facilitating Communication Between Objects Multistage Processing Encapsulating Complex Operations Ability to Undo an Action Traversing Complex Collections Creating a Family of Related Algorithms Summary of the Applications of Design Patterns Quiz: Common Programming Problems

Classifying the Design Patterns

Design Patterns and Their Categories

Creational Design Patterns

What are Creational Design Patterns?Factory Method: Introduction Factory Method: Implementation and Example Factory Method: Benefits and Caveats Abstract Factory: Introduction Abstract Factory: Implementation and Example Abstract Factory: Benefits and Caveats Builder: Introduction Builder: Implementation and Example Builder: Benefits and Caveats Prototype: Introduction Prototype: Implementation and Example Prototype: Benefits and Caveats Singleton: Introduction Singleton: Implementation and Example Singleton: Benefits and Caveats Quiz: Creational Design Patterns

Structural Design Patterns

What Are Structural Design Patterns?Adapter: Introduction Adapter: Implementation and Example Adapter: Benefits and Caveats Bridge: Introduction Bridge: Implementation and Example Bridge: Benefits and Caveats Composite: Introduction Composite: Implementation and Example Composite: Benefits and Caveats Decorator: Introduction Decorator: Implementation and Example Decorator: Benefits and Caveats Facade: Introduction Facade: Implementation and Example Facade: Benefits and Caveats Flyweight: Introduction Flyweight: Implementation and Example Flyweight: Benefits and Caveats Proxy: Introduction Proxy: Implementation and Example Proxy: Benefits and Caveats Quiz: Structural Design Patterns

Behavioral Design Patterns

What Are Behavioral Design Patterns?

Command: Introduction

Command: Implementation and Example

Command: Benefits and Caveats

Chain of Responsibility: Introduction

Chain of Responsibility: Implementation and Example

Chain of Responsibility: Benefits and Caveats

Iterator: Introduction

Iterator: Implementation and Example

Iterator: Benefits and Caveats

Mediator: Introduction

Mediator: Implementation and Example

Mediator: Benefits and Caveats

Memento: Introduction

Memento: Implementation and Example

Memento: Benefits and Caveats

Observer: Introduction

Observer: Implementation and Example

Observer: Benefits and Caveats

State: Introduction

State: Implementation and Example

State: Benefits and Caveats

Strategy: Introduction

Strategy: Implementation and Example

Strategy: Benefits and Caveats

Template Method: Introduction

Template Method: Implementation and Example

Template Method: Benefits and Caveats

Visitor: Introduction

Visitor: Implementation and Example

Visitor: Benefits and Caveats

Quiz: Behavioral Design Patterns

Conclusion

Summary Closing Thoughts

Appendix

Setting Up Local Development Environment

The Easiest Way to Learn Design Patterns in C#/

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Quiz: Behavioral Design Patterns

Quiz: Behavioral Design Patterns

Test yourself on behavioral design patterns.

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