Learning Java Programming on Linux

[Homework]

Hello bitsnpcs, thank you so much for replying to almost all my posts.
Unfortunately this error message appeared when I tried changing the position of the semicolon:

Code:

Name.java:39: error: ';' expected
        return first + " " + middle + " " + last
                                                ^
1 error

This course is conducted using Windows OS, notepad, and CMD. Since my Windows OS crashed unexpectedly, I decided to carry on the course on Linux Lite. There are other web resources out there that recommended Vim, emacs or DrJava to learn Java on Linux platform, so I just want to confirm if this issue is really because I'm using Lite's text editor.