--- old/src/java.desktop/unix/classes/sun/awt/X11/XPopupMenuPeer.java	2019-05-02 04:36:11.000000000 -0700
+++ new/src/java.desktop/unix/classes/sun/awt/X11/XPopupMenuPeer.java	2019-05-02 04:36:10.000000000 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2002, 2018, 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
@@ -233,7 +233,7 @@
      */
     protected Dimension getCaptionSize() {
         String s = getTargetLabel();
-        if (s.equals("")) {
+        if (s.isEmpty()) {
             return null;
         }
         Graphics g = getGraphics();
@@ -260,7 +260,7 @@
      */
     protected void paintCaption(Graphics g, Rectangle rect) {
         String s = getTargetLabel();
-        if (s.equals("")) {
+        if (s.isEmpty()) {
             return;
         }
         g.setFont(getTargetFont());