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src/java.desktop/share/classes/java/awt/image/AbstractMultiResolutionImage.java

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@@ -1,7 +1,7 @@
 /*
- * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2015, 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

@@ -64,10 +64,15 @@
  */
 public abstract class AbstractMultiResolutionImage extends java.awt.Image
         implements MultiResolutionImage {
 
     /**
+     * Constructor for subclasses to call.
+     */
+    public AbstractMultiResolutionImage() {}
+
+    /**
      * This method simply delegates to the same method on the base image and
      * it is equivalent to: {@code getBaseImage().getWidth(observer)}.
      *
      * @return the width of the base image, or -1 if the width is not yet known
      * @see #getBaseImage()
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