1 files changed, 12 insertions, 11 deletions
diff --git a/MyLock.java b/MyLock.java
index b64878d..934971f 100644
--- a/MyLock.java
+++ b/MyLock.java
@@ -1,31 +1,31 @@
-/*  
+/*
  * MyLock.java - lock management for multiuser sessions
- * 
+ *
  * Copyright (c) 2025 Stefano Marchetti
- * 
+ *
  * This file is part of Jedecma - breast ultrasound examinations archiving software
- * 
+ *
  * Jedecma is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation, either version 3 of the License, or
  * (at your option) any later version.
- * 
+ *
  * Jedecma is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
- * 
+ *
  * You should have received a copy of the GNU General Public License
  * along with Jedecma.  If not, see <http://www.gnu.org/licenses/>.
- *  
+ *
 */
 
 /*
  * Nota bene: nata per l'uso multiutente, e' comunque operativa anche in monoutenza.
  * Si tratta di una gestione rudimentale basata su registrazioni
  * su una tabella apposita del database.
- * *** Non e' mai stata testata in un contesto d'uso reale. *** 
- * In caso di interruzione della sessione, i lock restano attivi e vanno 
+ * *** Non e' mai stata testata in un contesto d'uso reale. ***
+ * In caso di interruzione della sessione, i lock restano attivi e vanno
  * eliminati riavviando e terminando immediatamente il programma con lo
  * stesso utente.
  */
@@ -34,13 +34,14 @@
  * Notice: designed for a multiuser mode, is used even in single user mode.
  * It is a rudimentary system based on records on a dedicated database table.
  * *** Never tested in real use ***
- * In case of incorrect termination of the session, locks are left active: 
+ * In case of incorrect termination of the session, locks are left active:
  * to erase them restart the program with same user and terminate it immediately.
   */
 
 package jedecma;
 
-import java.sql.*;
+import java.sql.ResultSet;
+import java.sql.SQLException;
 
 public class MyLock {
 	final static boolean EXCL = true;