Example Depot

try { // First check to see if the node is already removed; // otherwise, getting the node will automatically create it boolean exists = Preferences.userRoot().nodeExists("/foo"); // false if (!exists) { // Get the node Preferences prefs = Preferences.userRoot().node("/foo"); // Remove the node prefs.removeNode(); // Trying to remove it again would cause an IllegalStateException //prefs.removeNode(); } // Create a node with a child Preferences prefs = Preferences.userRoot().node("/foo/child"); exists = Preferences.userRoot().nodeExists("/foo"); // true exists = Preferences.userRoot().nodeExists("/foo/child"); // true // Remove the parent node Preferences.userRoot().node("/foo").removeNode(); // Both parent and child are removed exists = Preferences.userRoot().nodeExists("/foo"); // false exists = Preferences.userRoot().nodeExists("/foo/child"); // false } catch (BackingStoreException e) { }