To run the Java program, you will need to edit line 40 in CourseListTableModel.java so they match your username and password. If this is not done, then the program will not be able to connect to MySQL ...

nacos每天凌晨报错连接mysql失败，Failed to obtain JDBC Connection, 重启后，又恢复正常。 #11581 Closed as not planned weiweili666 opened on Jan 2, 2024 ...

Here's a quick JDBC with HSQLDB tutorial to get you up and running with Java database connectivity and the popular HyperSQL database.