code: public void setProperty(String name, String value)
      {
          if ((value == null) || (value.length() == 0))
          {
              _properties.remove(name);
          }
          else
          {
              _properties.setProperty(name, value);
          }
      }
docs: Sets a property.
  
  @param name   The property name
  @param value  The property value