You can use Netbeans to achieve this result.
Open your source file in it and navigate to the appropiate lines using
Then you mark the line as bookmark like this:
That way you get blue markups on the left with the bookmarked line.
In this screenshot I have bookmarked lines 28 and 37.
You can then access the bookmarks with
and thus jump from one to the other.
If you want to have more visual highlighting you can set it in
Tools -> Options -> Fonts & Colors -> Annotations -> Bookmark
In the following screenshot I set it to cyan:
Unfortunately I don't know how to import or export the bookmarks in bulk.
If you want to know about all your bookmarks you can do so by activating the Bookmarks View in:
Window -> IDE Tools -> Bookmarks
There you can also configure hotkeys for this specific bookmark and then reach it via CTRL+2xg HOTKEY