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src/java.desktop/share/classes/java/awt/FocusTraversalPolicy.java
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@@ -1,7 +1,7 @@
/*
- * 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
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
@@ -68,10 +68,15 @@
* @since 1.4
*/
public abstract class FocusTraversalPolicy {
/**
+ * Constructs a {@code FocusTraversalPolicy}.
+ */
+ protected FocusTraversalPolicy() {}
+
+ /**
* Returns the Component that should receive the focus after aComponent.
* aContainer must be a focus cycle root of aComponent or a focus traversal
* policy provider.
*
* @param aContainer a focus cycle root of aComponent or focus traversal
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