There will also be a new menu item available at the end of the popup-menu of the Project pane: Format. Use this item if you want to format several files at once. All currently selected files are formatted.

Figure 8.3. Jalopy Project pane popup menu item

If it happens that a file has an open editor view, this view will be updated, not the actual file. You have to save the view first to see the physical file updated.