--- old/src/java.desktop/share/classes/javax/swing/plaf/synth/SynthLabelUI.java	2019-05-02 04:35:19.000000000 -0700
+++ new/src/java.desktop/share/classes/javax/swing/plaf/synth/SynthLabelUI.java	2019-05-02 04:35:18.000000000 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2002, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2002, 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
@@ -115,7 +115,7 @@
         }
         JLabel label = (JLabel)c;
         String text = label.getText();
-        if (text == null || "".equals(text)) {
+        if (text == null || text.isEmpty()) {
             return -1;
         }
         Insets i = label.getInsets();