src/java.desktop/share/classes/java/awt/Robot.java

@@ -640,24 +640,24 @@
         delay(autoDelay);
     }
 
     /**
      * Sleeps for the specified time.
-     * To catch any {@code InterruptedException}s that occur,
-     * {@code Thread.sleep()} may be used instead.
+     * <p>
+     * If the invoking thread is interrupted while waiting, then its interrupt
+     * status will be set and this method returns immediately.
      *
      * @param  ms time to sleep in milliseconds
-     * @throws IllegalArgumentException if {@code ms}
-     *         is not between 0 and 60,000 milliseconds inclusive
-     * @see java.lang.Thread#sleep
+     * @throws IllegalArgumentException if {@code ms} is not between {@code 0}
+     *         and {@code 60,000} milliseconds inclusive
      */
-    public synchronized void delay(int ms) {
+    public void delay(int ms) {
         checkDelayArgument(ms);
         try {
             Thread.sleep(ms);
-        } catch(InterruptedException ite) {
-            ite.printStackTrace();
+        } catch(final InterruptedException ignored) {
+            Thread.currentThread().interrupt(); // Preserve interrupt status
         }
     }
 
     private void checkDelayArgument(int ms) {
         if (ms < 0 || ms > MAX_DELAY) {