Learn various design principles needed to write object-oriented code, focusing on working code.
강의소개.상단개요.수강생.short
난이도 초급
수강기한 무제한
먼저 경험한 수강생들의 후기
5.0
최은혁
This lecture broke down core refactoring principles through practical examples that could be immediately applied to real work. The process of simplifying long methods into composed methods, revealing hidden concepts with value objects, and separating classes using the single responsibility principle was very clear. I could feel the effects of increased cohesion and readability, while reducing unnecessary coupling and duplication. It was a beneficial lecture that made complex design principles easy to understand and immediately applicable for improving team code quality.
5.0
신제우
I can confidently say that Youngho's Object lecture is something I would recommend listening to regardless of what language you use. You'll be incredibly happy while listening to very well-organized design theory through Youngho's detailed, meticulous explanations that become more delicious the more you savor them. For a while, I was fortunate enough to have Youngho visit the events I participated in, where he shared many wonderful stories with us. Since I started developing, those moments when I could listen to Youngho's stories were truly the 'happiest moments' for me. I want to express my gratitude for creating such valuable experiences. While waiting for the next lecture to come out, I'll be savoring the realizations as I try out the things Youngho taught us :)
5.0
크리스팍
This is a premium lecture on the core principles and fundamentals of object-oriented development~ I can say there's a world of difference between developing with knowledge of these principles versus developing without them. If you're currently developing without knowing these principles, you'll eventually realize that you've been writing spaghetti code~!! :) Let's all keep fighting today to create code that's easy to maintain~ 😊
Object-Oriented Design Principles
Identifying code problems using design principles
How to evolve code through refactoring
Relationship between Tests and Code Quality
You do not need to have taken Object - Basics to listen to Object - Design Principles. While Object Basics covers a top-down approach to creating maintainable designs using Responsibility-Driven Design, Object Design Principles covers a bottom-up approach to refactoring code to make it maintainable.
The two lectures are complementary rather than interdependent, as they cover object-oriented design from different perspectives. Therefore, you can take the lectures in any order, and after taking both lectures, you will gain a comprehensive view of object-oriented design.
학습 대상은 누구일까요?
Those curious about the concepts and application methods of Object-Oriented Design Principles
Those who find it difficult to apply object-oriented concepts in code
For those who need basic principles and guides for designing good code
선수 지식, 필요할까요?
Java basic syntax
Experience writing code using object-oriented languages
2,548
수강생
174
수강평
101
답변
5.0
강의 평점
2
강의_other
I am an ordinary developer with a deep interest in object-oriented design and domain-driven design, holding the belief that happy teams, clean code, respect, and collaboration lead to great software. Based on my diverse experiences moving between roles as a developer, educator, and manager, I strive to create great products alongside good code.
His authored books include The Essence of Object-Orientation and Objects, and his translated works include Elegant Objects, and he participated as a technical reviewer for Get Your Hands Dirty on Clean Architecture.
💡Apply for Mentoring : https://inf.run/YvAd2
💡Personal Blog : https://eternity-object.tistory.com/
and participated as a technical reviewer for the book "Get Your Hands Dirty on Clean Architecture." 💡Apply for Mentoring: https://inf.run/YvAd2 💡Personal Blog: https://eternity-object.tistory.com/
전체
33개 ∙ (강의상세_런타임_시간 강의상세_런타임_분)
전체
45개
5.0
45개의 수강평
수강평 16
∙
평균 평점 4.9
5
It's an honor to leave the first review. After completing `<Object - Basics>`, I immediately took `<Object - Design Principles>` as well and am now writing this review. The advantages of the course are as follows: 1. It's easy to understand intuitively because it's not just listing principles but includes actual code examples. ㄴ I thought I knew the SOLID principles because I encounter them often, but after watching the lecture, I realized that was my misconception. 2. Convenience has increased compared to `<Object - Basics>`. ㄴ A link to the relevant repo is provided through the course materials, making it easy to access. ㄴ The presenter is no longer visible, making the presentation much easier to see. There are also some slightly disappointing aspects (They are minor). 1. The volume level differs slightly for each video, which is a bit distracting. 2. There are also cases where there are errors in the videos. 3. If colloquial phrases like '되게 됩니다.' were refined, it would feel tidier. 4. There are instances where the notation for foreign words differs (e.g., 메서드/메소드), and it would be a bit tidier if this were unified. I highly recommend watching `<Object - Basics>` as well. It allows for a broader understanding of the course. If you don't know what object-oriented design is, I strongly recommend this course. I plan to recommend it to many people around me as well 😊😊 Thank you to Jo Young-ho for planning this great course. I expect my code to change significantly in the future. Work less, earn more 😊😊😊
I remember you recently left a review for "Object - Basic Course", and you've already completed it. Congratulations on completing the course, and thank you for leaving a review. :) I'm glad the course was helpful. I decided to remove my face from the videos at the request of many acquaintances, and I'm glad the reaction has been positive... Due to health reasons, the filming period was extended, which resulted in slightly varying audio levels. If anyone finds this inconvenient, I will consider re-recording "Object - Basic Course" along with it in the future. :) I'm creating, filming, and editing the course by myself, and this course ended up having more presentation slides than expected. Although I checked in between, it seems there were parts I didn't notice. I apologize for releasing it without thoroughly checking this part. I will also review it again and make corrections as quickly as possible. :) If it's convenient for you, please let me know about any errors in the video or inconsistencies in the slides, and I will correct and update them as quickly as possible. The phrase "Work less, earn more" resonates with me. I hope the course helps reduce maintenance costs and improve code quality. Thank you!
수강평 2
∙
평균 평점 5.0
5
I really enjoyed the lecture. I thought I knew the design principles well, but unexpectedly, there were many things I had misunderstood. Explaining using code made it easy to understand. I was unsure how to refactor code, but after the lecture, I was able to establish some clear criteria. Thank you for creating a great lecture!
Thank you for leaving a review, GaeBalInSaeng-nim. I'm glad the design principles, organized to be applicable when writing actual code, were helpful. :) If you have any questions, feel free to leave them anytime! Congratulations on completing the course, and have a happy start to your week.
수강평 3
∙
평균 평점 5.0
5
It's exciting like watching a movie, as the story about design continues~ I'll keep listening carefully~ Thank you for the good lecture!
Thank you for leaving a review, Byung-mo Kim. It's structured to show how design principles are applied while improving examples, and it seems you're enjoying it. :) The difficulty increases slightly as you go towards the latter part, but more interesting content awaits, so please make sure to complete the course. If you have any questions or parts that need correction, please feel free to ask anytime. Have a great Friday night and spend happy days.
수강평 2
∙
평균 평점 5.0
수정됨
5
Following the basic course, this seems like the best lecture on object-oriented programming. It is very substantial as it is composed of well-structured content from concepts to examples.
Thank you for leaving a course review, soljie74. If 'Object - Basic' explained how to write object-oriented code, 'Object - Design Principles' aimed to explain how to improve design using object-oriented principles, and I'm glad it was helpful. If you have any questions or suggestions for improvement, please feel free to ask anytime. Congratulations on completing the course, and have a good rest of your weekend!
수강평 8
∙
평균 평점 5.0
5
This is a premium lecture on the core principles and fundamentals of object-oriented development~ I can say there's a world of difference between developing with knowledge of these principles versus developing without them. If you're currently developing without knowing these principles, you'll eventually realize that you've been writing spaghetti code~!! :) Let's all keep fighting today to create code that's easy to maintain~ 😊
Thank you so much for leaving a review, Chris Park. As you mentioned, I hope many people will be able to write clean code based on design principles. I'm so grateful that you're satisfied with the course, and I'll work hard to prepare the next course as well! Have a happy weekend. :)
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