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

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@@ -1,7 +1,7 @@
 /*
- * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2016, 2018, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.  Oracle designates this

@@ -21,30 +21,38 @@
  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  * or visit www.oracle.com if you need additional information or have any
  * questions.
  */
 
-
 package java.awt.desktop;
 
+import java.awt.Desktop;
+import java.awt.GraphicsEnvironment;
+import java.awt.HeadlessException;
 import java.io.File;
 import java.util.List;
 
-
 /**
  * Event sent when the app is asked to print a list of files.
  *
  * @see PrintFilesHandler#printFiles(PrintFilesEvent)
  * @since 9
  */
 public final class PrintFilesEvent extends FilesEvent {
+
     private static final long serialVersionUID = -5752560876153618618L;
 
     /**
-     * Constructs a {@code PrintFilesEvent}
-     * @param files files
+     * Constructs a {@code PrintFilesEvent}.
+     *
+     * @param  files the list of files
+     * @throws HeadlessException if {@link GraphicsEnvironment#isHeadless()}
+     *         returns {@code true}
+     * @throws UnsupportedOperationException if Desktop API is not supported on
+     *         the current platform
+     * @see Desktop#isDesktopSupported()
+     * @see java.awt.GraphicsEnvironment#isHeadless
      */
     public PrintFilesEvent(final List<File> files) {
         super(files);
     }
-
 }
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