I was able to learn the basic principles of Spring, and since it explained technologies that are not used much now, I could easily understand why this method is used instead of the old method. And it was good that it explained not only the functions of Spring, but also related them to object-oriented design principles. The lecture materials seemed to be more detailed than the introductory lecture, so it was good for reviewing. And it was also good that the contents explained in the previous lectures were repeated later. Even though it is something that I will review again while reviewing on my own anyway, it seems to be remembered better if it is explained once more in the lecture. Of course, some people may not like explaining the same contents repeatedly. But I personally think it is good. There is nothing to be sorry about the lecture content itself, but I think it would be better if the lecture materials (pdf) were enlarged while showing them during the lecture. The letters were small and difficult to see. I think it would help my eyes get less tired if they were enlarged. Since the lecture content is good, I want to listen to all the other lectures on the roadmap, but I regret that I won't be able to listen to them all before getting a job due to time constraints. I've been thinking about it, but I think I'll take HTTP, MVC 1, and 2 JPA classes and then take the rest after I get a job. I'm worried about taking the JPA class without taking the DB class, but I'm also worried about the gap period after getting a job, and I think I'll have to give up my scholarly(?) study style a bit. (Would it be a big loss if I take the JPA class without taking the DB class..?) I'll diligently take the remaining classes and study. Thank you.