--- old/src/java.desktop/unix/classes/sun/awt/X11/XWindowPeer.java	2019-05-02 04:36:15.000000000 -0700
+++ new/src/java.desktop/unix/classes/sun/awt/X11/XWindowPeer.java	2019-05-02 04:36:14.000000000 -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
@@ -208,7 +208,7 @@
 
     protected String getWMName() {
         String name = target.getName();
-        if (name == null || name.trim().equals("")) {
+        if (name == null || name.trim().isEmpty()) {
             name = " ";
         }
         return name;