warning: [deprecation] getXmlRootElement(String) in ResourceLoader has been deprecated POS

[monica ford]

Hi friends
what is this warning error. Please advise

 [javac16] c:\shw\specialpurpose\pos\src\org\ofbiz\pos\config\ButtonEventConfig
.java:55: warning: [deprecation] getXmlRootElement(String) in ResourceLoader has
 been deprecated
  [javac16]         Element root = ResourceLoader.getXmlRootElement(ButtonEventC
onfig.BUTTON_EVENT_CONFIG);
  [javac16]                                      ^
  [javac16] Note: Some input files use unchecked or unsafe operations.
  [javac16] Note: Recompile with -Xlint:unchecked for details.
  [javac16] 2 warnings

jar:
      [jar] Building jar: c:\shw\specialpurpose\pos\build\lib\ofbiz-pos.jar