src/share/classes/javax/swing/ProgressMonitor.java

@@ -76,11 +76,11 @@
  *
  * @see ProgressMonitorInputStream
  * @author James Gosling
  * @author Lynn Monsanto (accessibility)
  */
-public class ProgressMonitor implements Accessible
+public class ProgressMonitor implements Accessible, AutoCloseable
 {
     private ProgressMonitor root;
     private JDialog         dialog;
     private JOptionPane     pane;
     private JProgressBar    myBar;