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

*** 1,7 ****
  /*
!  * Copyright (c) 2002, 2016, 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
--- 1,7 ----
  /*
!  * 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
*** 206,216 ****
              XToolkit.awtUnlock();
          }
      }
  
      protected String getWMName() {
!         if (winAttr.title == null || winAttr.title.trim().equals("")) {
              return " ";
          } else {
              return winAttr.title;
          }
      }
--- 206,216 ----
              XToolkit.awtUnlock();
          }
      }
  
      protected String getWMName() {
!         if (winAttr.title == null || winAttr.title.trim().isEmpty()) {
              return " ";
          } else {
              return winAttr.title;
          }
      }
*** 218,228 ****
      void updateWMName() {
          XToolkit.awtLock();
          try {
              super.updateWMName();
              String name = getWMName();
!             if (name == null || name.trim().equals("")) {
                  name = "Java";
              }
              XAtom iconNameAtom = XAtom.get(XAtom.XA_WM_ICON_NAME);
              iconNameAtom.setProperty(getWindow(), name);
              XAtom netIconNameAtom = XAtom.get("_NET_WM_ICON_NAME");
--- 218,228 ----
      void updateWMName() {
          XToolkit.awtLock();
          try {
              super.updateWMName();
              String name = getWMName();
!             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");