src/java.base/share/classes/jdk/internal/util/xml/PropertiesDefaultHandler.java

rev 52979 : 8215281: Use String.isEmpty() when applicable in java.base
Reviewed-by: TBD

*** 101,111 ****
          try {
              XMLStreamWriter writer = new XMLStreamWriterImpl(os, charset);
              writer.writeStartDocument();
              writer.writeDTD(PROPS_DTD_DECL);
              writer.writeStartElement(ELEMENT_ROOT);
!             if (comment != null && comment.length() > 0) {
                  writer.writeStartElement(ELEMENT_COMMENT);
                  writer.writeCharacters(comment);
                  writer.writeEndElement();
              }
  
--- 101,111 ----
          try {
              XMLStreamWriter writer = new XMLStreamWriterImpl(os, charset);
              writer.writeStartDocument();
              writer.writeDTD(PROPS_DTD_DECL);
              writer.writeStartElement(ELEMENT_ROOT);
!             if (comment != null && !comment.isEmpty()) {
                  writer.writeStartElement(ELEMENT_COMMENT);
                  writer.writeCharacters(comment);
                  writer.writeEndElement();
              }