It's much more focused and understandable than reading a book. However, the only regret is that there's too much copy-and-paste of code. ㅎㅎ There's nothing I can do about the configuration files and such, but I wanted to follow the latter half of the coding part while practicing, so that's the only regret. The overall structure is fine. However, since it's only done with Eclipse and Maven, and the DB is only JDBC, it might be a bit disappointing for those who use other DBs, IntelliJ, and Gradle, not MyBatis or Oracle. It's not a lecture that actually produces output, but it seems to be a lecture that helps understand Spring and grasp its structure. I think you can master Spring if you take this lecture and one more practical lecture. ㅋㅋ