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Filip Ekberg

In this course, you'll discover how to work with the chain of responsibility pattern. You will understand why this pattern exists and how to implement this in a C# application.

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In this course, you'll discover how to work with the chain of responsibility pattern. You will understand why this pattern exists and how to implement this in a C# application.

Software developers need real-world implementation examples of the chain of responsibility pattern to better understand how they can be used in user validation, payment processing, and if/else situations. In this course, C# 8 Design Patterns: Chain of Responsibility, you will gain foundational knowledge of the chain of responsibility pattern. First, you will learn how to identify situations where this pattern is applicable. Next, you will discover how easily this can be refactored into an object oriented approach, which not only is easier to maintain, but also more testable. Finally, you will explore how to identify existing implementations of this pattern. When you’re finished with this course, you will have the skills and knowledge of the chain of responsibility pattern needed to apply this in your solutions.

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What's inside

Syllabus

Course Overview
Chain of Responsibility Pattern

Good to know

Know what's good
, what to watch for
, and possible dealbreakers
Suitable for intermediate and advanced programmers
Hands-on examples and projects accelerate learning and skill development
Increases testability and maintainability of applications
Filip Ekberg is an experienced instructor known for his expertise in software development
Appropriate for programmers seeking to enhance their C# skills
Some topics may require additional research or background knowledge

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Activities

Be better prepared before your course. Deepen your understanding during and after it. Supplement your coursework and achieve mastery of the topics covered in C# 8 Design Patterns: Chain of Responsibility with these activities:
Review C# basics
Refreshing your C# basics will help you better understand the code examples and concepts in this course.
Show steps
  • Review C# syntax and data types
  • Practice writing simple C# programs
  • Take a quiz or test to assess your understanding
Follow a tutorial on the chain of responsibility pattern in C#
Following a tutorial can help you get started quickly and learn the basics of the chain of responsibility pattern.
Show steps
  • Find a tutorial that covers the chain of responsibility pattern in C#
  • Follow the steps in the tutorial
  • Experiment with the code and try different scenarios
Create a C# class diagram
Creating a class diagram helps you visualize the structure and relationships of the classes in your application, which can improve your understanding of the chain of responsibility pattern.
Show steps
  • Identify the classes and their responsibilities
  • Draw the class diagram using a tool like draw.io or PlantUML
  • Review your class diagram with a peer or instructor
Four other activities
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Show all seven activities
Discuss the chain of responsibility pattern with peers
Discussing the chain of responsibility pattern with peers can help you deepen your understanding and get different perspectives.
Show steps
  • Find a study buddy or group
  • Set up a regular time to meet and discuss the pattern
  • Share your thoughts and ideas
Solve coding exercises on the chain of responsibility pattern
Solving coding exercises can help you practice applying the chain of responsibility pattern and improve your coding skills.
Show steps
  • Find coding exercises on the chain of responsibility pattern
  • Solve the exercises
  • Review your solutions with a peer or instructor
Develop a software application using the chain of responsibility pattern
Building a software application using the chain of responsibility pattern will allow you to apply your knowledge and gain practical experience.
Show steps
  • Plan the architecture of your application
  • Implement the chain of responsibility pattern
  • Test your application
  • Deploy your application
Contribute to an open source project that uses the chain of responsibility pattern
Contributing to an open source project can help you gain practical experience and learn from other developers.
Show steps
  • Find an open source project that uses the chain of responsibility pattern
  • Read the project's documentation and code
  • Identify an area where you can contribute
  • Submit a pull request with your changes

Career center

Learners who complete C# 8 Design Patterns: Chain of Responsibility will develop knowledge and skills that may be useful to these careers:
Software Designer
Software Designers work with clients to understand their needs and translate them into technical specifications. They design and develop software applications, ensuring that they are efficient, user-friendly, and meet the client's requirements. The Chain of Responsibility pattern is a fundamental design pattern used in software development to handle requests sequentially and pass them along a chain of handlers. Understanding this pattern can help Software Designers create more modular and maintainable software applications.
Software Architect
Software Architects design and build the overall architecture of software systems. They work with stakeholders to understand the system's requirements and create a blueprint that guides the development process. Knowledge of the Chain of Responsibility pattern is crucial for Software Architects as it allows them to decompose complex systems into smaller, manageable components. This can lead to more scalable, flexible, and maintainable software architectures.
Software Developer
Software Developers are responsible for designing, developing, and maintaining software applications. They work on all aspects of the software development lifecycle, from requirements gathering to deployment. Understanding the Chain of Responsibility pattern is essential for Software Developers as it provides a way to handle requests in a flexible and extensible manner. This can be particularly useful in cases where the order of operations is not known in advance or when the system needs to be able to handle new types of requests in the future.
Software Engineer
Software Engineers apply engineering principles to the design, development, and maintenance of software systems. They work on a wide range of projects, from small embedded systems to large-scale enterprise applications. The Chain of Responsibility pattern is a valuable tool for Software Engineers as it allows them to create software systems that are modular, maintainable, and extensible.
Quality Assurance Analyst
Quality Assurance Analysts are responsible for testing software applications to ensure that they meet the required standards of quality. They work with developers to identify and fix bugs and defects. Understanding the Chain of Responsibility pattern can be helpful for Quality Assurance Analysts as it allows them to understand how requests are handled within the system and to identify potential points of failure.
Technical Lead
Technical Leads are responsible for guiding and mentoring software development teams. They work with stakeholders to define the technical vision and roadmap for the project and ensure that the team is working effectively towards achieving the project goals. Understanding the Chain of Responsibility pattern can be beneficial for Technical Leads as it allows them to understand how to decompose complex systems into smaller, more manageable components.
Project Manager
Project Managers are responsible for planning, organizing, and executing software development projects. They work with stakeholders to define the project scope, timeline, and budget and ensure that the project is completed on time and within budget. Understanding the Chain of Responsibility pattern can be helpful for Project Managers as it allows them to understand how to delegate tasks and responsibilities to team members in a way that ensures that all aspects of the project are handled efficiently and effectively.
Product Manager
Product Managers are responsible for defining and managing the roadmap for a software product. They work with stakeholders to understand the market demand and to define the product's features and functionality. Understanding the Chain of Responsibility pattern can be useful for Product Managers as it allows them to understand how to prioritize and manage the development of new features and functionality in a way that meets the needs of the market.
Business Analyst
Business Analysts work with stakeholders to understand their business needs and translate them into technical requirements. They work with software development teams to ensure that the software applications meet the business needs and deliver value to the organization. Understanding the Chain of Responsibility pattern can be helpful for Business Analysts as it allows them to understand how to decompose complex business processes into smaller, more manageable components.
Data Analyst
Data Analysts are responsible for collecting, cleaning, and analyzing data to identify trends and patterns. They work with stakeholders to understand the business questions that need to be answered and to develop data-driven solutions. Understanding the Chain of Responsibility pattern can be useful for Data Analysts as it allows them to understand how to handle different types of data requests in a flexible and extensible manner.
Machine Learning Engineer
Machine Learning Engineers are responsible for designing, developing, and deploying machine learning models. They work with stakeholders to understand the business problems that need to be solved and to develop ML solutions that deliver value to the organization. Understanding the Chain of Responsibility pattern can be useful for Machine Learning Engineers as it allows them to understand how to decompose complex ML models into smaller, more manageable components.
Data Scientist
Data Scientists are responsible for extracting insights from data using statistical and machine learning techniques. They work with stakeholders to understand the business problems that need to be solved and to develop data-driven solutions. Understanding the Chain of Responsibility pattern can be helpful for Data Scientists as it allows them to understand how to handle different types of data requests in a flexible and extensible manner.
UX Designer
UX Designers are responsible for designing the user experience of software products. They work with stakeholders to understand the user needs and to create user interfaces that are intuitive, easy to use, and visually appealing. Understanding the Chain of Responsibility pattern can be useful for UX Designers as it allows them to understand how to handle different types of user interactions in a flexible and extensible manner.
Technical Writer
Technical Writers are responsible for creating documentation for software products. They work with stakeholders to understand the product's functionality and to create documentation that is clear, concise, and easy to understand. Understanding the Chain of Responsibility pattern can be useful for Technical Writers as it allows them to understand how to structure and organize documentation in a way that is easy to navigate and find information.
Systems Analyst
Systems Analysts are responsible for analyzing and designing business systems. They work with stakeholders to understand the business needs and to develop systems that meet those needs. Understanding the Chain of Responsibility pattern can be useful for Systems Analysts as it allows them to understand how to decompose complex systems into smaller, more manageable components.

Reading list

We've selected 12 books that we think will supplement your learning. Use these to develop background knowledge, enrich your coursework, and gain a deeper understanding of the topics covered in C# 8 Design Patterns: Chain of Responsibility.
Is an excellent reference for learning more about design patterns in general. It covers the chain of responsibility pattern in detail and provides many examples of how it can be used in different situations.
More accessible introduction to design patterns than the Gang of Four book. It covers the chain of responsibility pattern in a clear and concise way, and it provides many helpful diagrams and examples.
Classic work on refactoring, the process of improving the design of existing code. It covers many techniques for refactoring code, including how to refactor code that uses the chain of responsibility pattern.
Comprehensive guide to agile software development. It covers the principles, patterns, and practices of agile development, including how to use the chain of responsibility pattern in an agile context.
Classic work on domain-driven design, a software development approach that focuses on modeling the domain of the problem being solved. It covers how to use the chain of responsibility pattern in a domain-driven design context.
Comprehensive guide to enterprise integration patterns, which are reusable solutions to common problems in enterprise software development. It covers the chain of responsibility pattern in the context of enterprise integration.
Comprehensive guide to software architecture. It covers the hard parts of software architecture, including how to design and build systems that are scalable, reliable, and maintainable. It covers the chain of responsibility pattern in the context of software architecture.
Comprehensive guide to building microservices. It covers the principles, patterns, and practices of microservice development, including how to use the chain of responsibility pattern in a microservices context.
Comprehensive guide to Apache Kafka, a distributed streaming platform. It covers the principles, patterns, and practices of Kafka development, including how to use the chain of responsibility pattern in a Kafka context.
Comprehensive guide to designing and building data-intensive applications. It covers the principles, patterns, and practices of data-intensive development, including how to use the chain of responsibility pattern in a data-intensive context.
Comprehensive guide to the art of scalability. It covers the principles, patterns, and practices of building scalable systems, including how to use the chain of responsibility pattern in a scalable context.
Comprehensive guide to reactive programming with RxJava. It covers the principles, patterns, and practices of reactive programming, including how to use the chain of responsibility pattern in a reactive programming context.

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