I have coached many developers, new and experienced, who have primarily accomplished their Java development efforts or education with an IDE. When I ask them to do any troubleshooting or test their application from the command prompt, often they don't know where to begin. I believe you need to be prepared to execute (run) Java from the command prompt, and we will be doing some of that here.
When you get to the command prompt and you want to compile or run your code, you will need a couple of operating system environment settings: your
PATH to find the JDK executables, and your
CLASSPATH to find your code and the Oracle JDBC code. From wherever the recent JDK executables exist, they are able to find their ...