This topic introduces common design patterns like Singleton, Factory, Observer, and MVC. Students will learn how to use these patterns in solving recurring software design problems.

Knowing these patterns helps developers build more scalable and maintainable applications, reducing repetitive coding and improving collaboration across teams.

''Design Patterns in Plain English | Mosh Hamedani'' by ''Programming with Mosh'' on YouTube

Refactoring is about restructuring existing code to improve its readability and efficiency without changing its behavior. Students will practice spotting code smells and how to refactor them. 

 Refactoring leads to cleaner code, making it easier for teams to manage large projects and extend features quickly without causing bugs.

''Nicolas Fränkel — Refactoring your legacy code for better maintainability'' by ''JPoint, Joker и JUG ru — Java-конференции'' on YouTube

 SOLID principles guide developers in writing code that is easy to maintain and scale. This lesson will dive into each of the five principles and apply them to real-world code examples. 

Adopting SOLID principles ensures software can grow over time without becoming fragile or difficult to modify, helping teams avoid technical debt.

''SOLID Principles in Laravel & PHP: A Practical Guide'' by ''Taylor Daughtry'' on YouTube

This lesson covers what not to do by discussing anti-patterns like the God Object, Golden Hammer, and Spaghetti Code, and how to refactor them.

Avoiding anti-patterns helps maintain software quality and ensures a sustainable development pace, reducing risks of project delays.

''Learning to Code Anti-Patterns with Launch School'' by ''launchschool'' on YouTube

Students will explore Agile methodologies, including Scrum, and how they support iterative and incremental development. This lesson focuses on how to work in teams, prioritize tasks, and deliver working software faster. 

 Agile practices improve team collaboration and the ability to adapt to changing business requirements, making teams more efficient in delivering quality software.

''Introduction to Scrum - 7 Minutes'' by ''Uzility'' on YouTube

This lesson focuses on writing tests before code (TDD) and ensuring that the behavior of the software aligns with business expectations (BDD). 

TDD ensures high-quality, bug-free code, while BDD aligns development goals with business objectives, leading to better collaboration between developers and non-technical stakeholders.

 ''Test-Driven Development (TDD) and Behavior-Driven Development (BDD)'' by ''Amigoscode'' on YouTube

Students will explore the concepts of automating software testing and deployment through CI/CD pipelines, ensuring quick and reliable software delivery.

 Automating deployment pipelines ensures faster and more frequent delivery of updates with minimal risks, crucial for maintaining competitive business systems.

''CI/CD Full Course | CI/CD Tutorial | Continuous Integration And Continuous Delivery | Simplilearn'' by ''Simplilearn'' on YouTube

Welcome to the quiz section. Before you begin, please make sure you have watched the lesson videos thoroughly, as the questions are designed to test your understanding of key concepts discussed.

Here are a few things to keep in mind:

1. This is a timed quiz, so you’ll need to manage your time effectively.
2. Read each question carefully and choose the best answer based on the material covered in the lesson.
3. The quiz is an excellent opportunity to test your knowledge and reinforce what you’ve learned, so try your best!