src/java.desktop/share/classes/javax/print/PrintServiceLookup.java

@@ -1,7 +1,7 @@
 /*
- * 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
  * 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 @@
  * {@code checkPrintJobAccess()} method denies access.
  */
 public abstract class PrintServiceLookup {
 
     /**
+     * Constructor for subclasses to call.
+     */
+    public PrintServiceLookup() {}
+
+    /**
      * Contains a lists of services.
      */
     static class Services {
 
         /**