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

*** 1,7 ****
  /*
!  * Copyright (c) 2016, 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
--- 1,7 ----
  /*
!  * 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
*** 24,45 ****
   */
  
  package java.awt.desktop;
  
  import java.awt.Desktop;
  import java.util.EventObject;
  
  /**
   * AppEvents are sent to listeners and handlers installed on the
!  * {@link java.awt.Desktop}.
   *
   * @since 9
   */
  public class AppEvent extends EventObject {
  
      private static final long serialVersionUID = -5958503993556009432L;
  
      AppEvent() {
          super(Desktop.getDesktop());
      }
- 
  }
--- 24,56 ----
   */
  
  package java.awt.desktop;
  
  import java.awt.Desktop;
+ import java.awt.GraphicsEnvironment;
+ import java.awt.HeadlessException;
  import java.util.EventObject;
  
  /**
   * AppEvents are sent to listeners and handlers installed on the
!  * {@link java.awt.Desktop} instance of the current desktop context.
   *
   * @since 9
   */
  public class AppEvent extends EventObject {
  
      private static final long serialVersionUID = -5958503993556009432L;
  
+     /**
+      * Constructs an {@code AppEvent}.
+      *
+      * @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
+      */
      AppEvent() {
          super(Desktop.getDesktop());
      }
  }