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

*** 1,7 ****
  /*
!  * Copyright (c) 1995, 2019, 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) 1995, 2020, 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
*** 134,143 ****
--- 134,148 ----
   * @author      Fred Ecks
   * @since       1.0
   */
  public abstract class Toolkit {
  
+     /**
+      * Constructs a {@code Toolkit}.
+      */
+     protected Toolkit() {}
+ 
      // The following method is called by the private method
      // <code>updateSystemColors</code> in <code>SystemColor</code>.
  
      /**
       * Fills in the integer array that is supplied as an argument