# Refactoring preferences

The following preferences can be set on the Refactoring Preferences page. (Window > Preferences > Java > Refactoring.)

Option | Description | Default
--- | --- | ---
Confirm the execution of the refactoring if | In this section, choose which kinds of problems will cause the wizard to remain open and show the problems after pressing Finish: problems that prevent the actual refactoring from being performed errors in the workbench warnings in the workbench information to be generated by precondition checking Problems less severe than the selected level allow you to do a refactoring without previewing the results. | Error
Save all modified resources automatically prior to refactoring | If this option is turned on, then whenever you perform a refactoring action, the workbench will automatically save all resources that have been modified since the last save. | Not checked

Refactoring support

Refactoring
Refactoring without preview
Refactoring with preview
Previewing refactoring changes
Undoing a refactoring operation
Redoing a refactoring operation

Refactoring actions
Refactoring wizard