--- old/src/java.desktop/share/classes/java/awt/Image.java	2020-08-17 10:55:42.825495515 +0100
+++ new/src/java.desktop/share/classes/java/awt/Image.java	2020-08-17 10:55:42.657491855 +0100
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1995, 2013, Oracle and/or its affiliates. All rights reserved.
+ * 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
@@ -46,6 +46,11 @@
 public abstract class Image {
 
     /**
+     * Constructor for subclasses to call.
+     */
+    public Image() {}
+
+    /**
      * convenience object; we can use this single static object for
      * all images that do not create their own image caps; it holds the
      * default (unaccelerated) properties.
--- old/src/java.desktop/share/classes/java/awt/PrintJob.java	2020-08-17 10:55:43.321506302 +0100
+++ new/src/java.desktop/share/classes/java/awt/PrintJob.java	2020-08-17 10:55:43.153502653 +0100
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1996, 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1996, 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
@@ -37,6 +37,11 @@
 public abstract class PrintJob {
 
     /**
+     * Constructor for subclasses to call.
+     */
+    public PrintJob() {}
+
+    /**
      * Gets a Graphics object that will draw to the next page.
      * The page is sent to the printer when the graphics
      * object is disposed.  This graphics object will also implement
--- old/src/java.desktop/share/classes/java/awt/font/GlyphVector.java	2020-08-17 10:55:43.805516815 +0100
+++ new/src/java.desktop/share/classes/java/awt/font/GlyphVector.java	2020-08-17 10:55:43.637513166 +0100
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1998, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1998, 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
@@ -108,6 +108,11 @@
 
 public abstract class GlyphVector implements Cloneable {
 
+    /**
+     * Constructor for subclasses to call.
+     */
+    public GlyphVector() {}
+
     //
     // methods associated with creation-time state
     //
--- old/src/java.desktop/share/classes/java/awt/font/LayoutPath.java	2020-08-17 10:55:44.257526616 +0100
+++ new/src/java.desktop/share/classes/java/awt/font/LayoutPath.java	2020-08-17 10:55:44.105523324 +0100
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2005, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2005, 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
@@ -41,6 +41,12 @@
  * @since 1.6
  */
 public abstract class LayoutPath {
+
+    /**
+     * Constructor for subclasses to call.
+     */
+    public LayoutPath() {}
+
     /**
      * Convert a point in user space to a location relative to the
      * path. The location is chosen so as to minimize the distance
--- old/src/java.desktop/share/classes/java/awt/font/LineMetrics.java	2020-08-17 10:55:44.701536228 +0100
+++ new/src/java.desktop/share/classes/java/awt/font/LineMetrics.java	2020-08-17 10:55:44.549532937 +0100
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1998, 2003, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1998, 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
@@ -43,6 +43,10 @@
 
 public abstract class LineMetrics {
 
+    /**
+     * Constructor for subclasses to call.
+     */
+    public LineMetrics() {}
 
     /**
      * Returns the number of characters ({@code char} values) in the text whose
--- old/src/java.desktop/share/classes/java/awt/image/AbstractMultiResolutionImage.java	2020-08-17 10:55:45.145545831 +0100
+++ new/src/java.desktop/share/classes/java/awt/image/AbstractMultiResolutionImage.java	2020-08-17 10:55:44.997542637 +0100
@@ -1,5 +1,5 @@
 /*
- * 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
@@ -66,6 +66,11 @@
         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)}.
      *
--- old/src/java.desktop/share/classes/java/awt/image/BufferStrategy.java	2020-08-17 10:55:45.613555931 +0100
+++ new/src/java.desktop/share/classes/java/awt/image/BufferStrategy.java	2020-08-17 10:55:45.445552306 +0100
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2000, 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
@@ -135,6 +135,11 @@
 public abstract class BufferStrategy {
 
     /**
+     * Constructor for subclasses to call.
+     */
+    public BufferStrategy() {}
+
+    /**
      * Returns the {@code BufferCapabilities} for this
      * {@code BufferStrategy}.
      *
--- old/src/java.desktop/share/classes/java/awt/image/ImageFilter.java	2020-08-17 10:55:46.097566369 +0100
+++ new/src/java.desktop/share/classes/java/awt/image/ImageFilter.java	2020-08-17 10:55:45.925562664 +0100
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1995, 2018, Oracle and/or its affiliates. All rights reserved.
+ * 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
@@ -43,6 +43,12 @@
  * @author      Jim Graham
  */
 public class ImageFilter implements ImageConsumer, Cloneable {
+
+    /**
+     * Creates an {@code ImageFilter}
+     */
+    public ImageFilter() {}
+
     /**
      * The consumer of the particular image data stream for which this
      * instance of the ImageFilter is filtering data.  It is not
--- old/src/java.desktop/share/classes/java/awt/image/RGBImageFilter.java	2020-08-17 10:55:46.577576694 +0100
+++ new/src/java.desktop/share/classes/java/awt/image/RGBImageFilter.java	2020-08-17 10:55:46.421573339 +0100
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1995, 2018, Oracle and/or its affiliates. All rights reserved.
+ * 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
@@ -67,6 +67,11 @@
 public abstract class RGBImageFilter extends ImageFilter {
 
     /**
+     * Constructor for subclasses to call.
+     */
+    public RGBImageFilter() {}
+
+    /**
      * The {@code ColorModel} to be replaced by
      * {@code newmodel} when the user calls
      * {@link #substituteColorModel(ColorModel, ColorModel) substituteColorModel}.
--- old/src/java.desktop/share/classes/java/awt/image/VolatileImage.java	2020-08-17 10:55:47.061587101 +0100
+++ new/src/java.desktop/share/classes/java/awt/image/VolatileImage.java	2020-08-17 10:55:46.909583835 +0100
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, 2006, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2000, 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
@@ -133,6 +133,11 @@
 public abstract class VolatileImage extends Image implements Transparency
 {
 
+    /**
+     * Constructor for subclasses to call.
+     */
+    public VolatileImage() {}
+
     // Return codes for validate() method
 
     /**
--- old/src/java.desktop/share/classes/javax/print/PrintServiceLookup.java	2020-08-17 10:55:47.513596792 +0100
+++ new/src/java.desktop/share/classes/javax/print/PrintServiceLookup.java	2020-08-17 10:55:47.357593447 +0100
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2000, 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
@@ -66,6 +66,11 @@
 public abstract class PrintServiceLookup {
 
     /**
+     * Constructor for subclasses to call.
+     */
+    public PrintServiceLookup() {}
+
+    /**
      * Contains a lists of services.
      */
     static class Services {
--- old/src/java.desktop/share/classes/javax/print/ServiceUI.java	2020-08-17 10:55:47.965606483 +0100
+++ new/src/java.desktop/share/classes/javax/print/ServiceUI.java	2020-08-17 10:55:47.817603309 +0100
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2000, 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
@@ -66,6 +66,11 @@
 public class ServiceUI {
 
     /**
+     * Creates a {@code ServiceUI}.
+     */
+    public ServiceUI() {}
+
+    /**
      * Presents a dialog to the user for selecting a print service (printer). It
      * is displayed at the location specified by the application and is modal.
      * If the specification is invalid or would make the dialog not visible it
--- old/src/java.desktop/share/classes/javax/print/ServiceUIFactory.java	2020-08-17 10:55:48.469617255 +0100
+++ new/src/java.desktop/share/classes/javax/print/ServiceUIFactory.java	2020-08-17 10:55:48.301613665 +0100
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2000, 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
@@ -57,6 +57,11 @@
 public abstract class ServiceUIFactory {
 
     /**
+     * Constructor for subclasses to call.
+     */
+    public ServiceUIFactory() {}
+
+    /**
      * Denotes a UI implemented as a Swing component. The value of the string is
      * the fully qualified classname : "javax.swing.JComponent".
      */
--- old/src/java.desktop/share/classes/javax/print/StreamPrintServiceFactory.java	2020-08-17 10:55:48.945627427 +0100
+++ new/src/java.desktop/share/classes/javax/print/StreamPrintServiceFactory.java	2020-08-17 10:55:48.781623923 +0100
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2000, 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
@@ -53,6 +53,11 @@
 public abstract class StreamPrintServiceFactory {
 
     /**
+     * Constructor for subclasses to call.
+     */
+    public StreamPrintServiceFactory() {}
+
+    /**
      * Contains a list of factories.
      */
     static class Services {
--- old/src/java.desktop/share/classes/javax/print/event/PrintJobAdapter.java	2020-08-17 10:55:49.381636719 +0100
+++ new/src/java.desktop/share/classes/javax/print/event/PrintJobAdapter.java	2020-08-17 10:55:49.237633651 +0100
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2000, 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
@@ -37,6 +37,11 @@
 public abstract class PrintJobAdapter implements PrintJobListener {
 
     /**
+     * Constructor for subclasses to call.
+     */
+    public PrintJobAdapter() {}
+
+    /**
      * Called to notify the client that data has been successfully transferred
      * to the print service, and the client may free local resources allocated
      * for that data. The client should not assume that the data has been