It was a good lecture. I look forward to other lectures. #Cons 1. The lectures sometimes skip over Samcheonpo. 2. I don't use a Mac, so I don't know, but I don't know why the characters I type are shown on the screen. It's so noticeable that the lecture feels distracting. 3. No example source code provided. #Pros The content is good enough to make up for the above cons. If you have some knowledge of Spring, it is organized into a curriculum that is easy to follow. There are many technologies that I don't know well in the application part, but the settings and examples are abundant so that I can easily refer to them later if I need to. #Conclusion I also purchased the instructor's other Spring lectures.