First time editing Java

In fact, it is based on an example to edit, but not once on the right, there is a case of errors in the input error, there is the problem of missing punctuation, it is worth noting that all punctuation needs to be entered in the English Input method state, the final question-the C-disk example used to bring us the system permissions problem, Finally put the prepared files on the D disk in the implementation of the compilation there is no problem.

It seems that we need to be more careful. At the same time also understand the example of the file name and the code string in the association, so that the exercises have been successfully completed.

First time editing Java