Change the way your Java program is formatted by specifying indenting style, brace style, and tabs/spaces selection. Onscreen sample always reflects your choices. Gets rid of useless whitespace at the end of each line. A backup option lets you keep a copy of the code in its original format. Passing in a filename performs the reformatting without bringing up the GUI. Command line options to set default preferences works for both GUI-based and non-GUI-based reformatting. -n = Toggle "Braces On Next Line" -i = Toggle "Indent Braces" -b = Toggle "Backup Original" -s(x) = Toggle "Spaces" (Set number of spaces to x) Example: -ns6b Turns on "Braces On Next Line" & "Backup Original" options, switches from tabs to spaces, and sets the number of spaces to 6