According to this website, Eclipse can format multiple files at once:
>Format multiple files
>The Format command is also enabled on Java projects, source folders, and packages.
>When invoked, all contained source files will be formatted according to the currently configured formatter settings.
However, when I select my Java project, Source -> Format,
(If I open a Java file from this this file, and select Source -> Format, it works)
What can be the problem?