src/java.desktop/unix/classes/sun/awt/X11/XDecoratedPeer.java

@@ -1,7 +1,7 @@
 /*
- * Copyright (c) 2002, 2016, 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
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.  Oracle designates this

@@ -206,11 +206,11 @@
             XToolkit.awtUnlock();
         }
     }
 
     protected String getWMName() {
-        if (winAttr.title == null || winAttr.title.trim().equals("")) {
+        if (winAttr.title == null || winAttr.title.trim().isEmpty()) {
             return " ";
         } else {
             return winAttr.title;
         }
     }

@@ -218,11 +218,11 @@
     void updateWMName() {
         XToolkit.awtLock();
         try {
             super.updateWMName();
             String name = getWMName();
-            if (name == null || name.trim().equals("")) {
+            if (name == null || name.trim().isEmpty()) {
                 name = "Java";
             }
             XAtom iconNameAtom = XAtom.get(XAtom.XA_WM_ICON_NAME);
             iconNameAtom.setProperty(getWindow(), name);
             XAtom netIconNameAtom = XAtom.get("_NET_WM_ICON_NAME");