XML 的问题
我有一个XML   的文件当我用JAVA   SAX   把它的资料拿出的时候遇到 <MANAGER/> 这个是代表什么意思呢?我应该怎么把是不是MANAGER这个元素拿出来呢   拿出来呢? 
 -------------------------- 
 xml   文件 
  <?xml   version   = "1.0 "   standalone   =    "yes "?>  
  <!DOCTYPE   COMPANY   [ 
  <!ELEMENT   COMPANY   (DEPARTMENT+)>  
  <!ELEMENT   DEPARTMENT   (STAFFLIST)>  
  <!ATTLIST   DEPARTMENT    
 	NAME   CDATA   #REQUIRED 
 >  
  <!ELEMENT   STAFFLIST   (FULLTIMESTAFF|PARTTIMESTAFF)+>  
  <!ELEMENT   FULLTIMESTAFF   (NAME,   ID,   SALARY,   MANAGER?)>  
  <!ELEMENT   PARTTIMESTAFF   (NAME,   ID,   HOURLYSALARY)>  
  <!ELEMENT   SALARY   (#PCDATA)>  
  <!ELEMENT   ID   (#PCDATA)>  
  <!ELEMENT   NAME   (#PCDATA)>  
  <!ELEMENT   MANAGER   EMPTY>  
  <!ELEMENT   HOURLYSALARY   (#PCDATA)>  
 ]>  
  <COMPANY>  
  <DEPARTMENT   NAME   =    "Product   Development ">  
  <STAFFLIST>  
  <FULLTIMESTAFF>  
  <NAME>    John   Tan   Seng   Huat </NAME>  
  <ID>    S6512345J    </ID>  
  <SALARY> 4500.00 </SALARY>  
  <MANAGER/>  
  </FULLTIMESTAFF>  
  <FULLTIMESTAFF   >  
  <NAME>    Peter   Chua   Sim   Lai </NAME>  
  <ID>    S6934345C    </ID>  
  <SALARY> 2800.00 </SALARY>  
  </FULLTIMESTAFF>  
  <PARTTIMESTAFF>  
  <NAME>    Cindy   Lam   Lian   Choo </NAME>  
  <ID>    S6734322K    </ID>  
  <HOURLYSALARY> 35.00 </HOURLYSALARY>  
  </PARTTIMESTAFF>  
  <FULLTIMESTAFF   >  
  <NAME>    Anisah   Bte   Ismail    </NAME>  
  <ID>    S6922339B    </ID>  
  <SALARY> 3100.00 </SALARY>  
  </FULLTIMESTAFF>  
  </STAFFLIST>  
  </DEPARTMENT>  
  <DEPARTMENT   NAME   =    "Customer   Service ">  
  <STAFFLIST>  
  <FULLTIMESTAFF>  
  <NAME>    Noor   Ali   Bin   Mohamed    </NAME>  
  <ID>    S6412388J    </ID>  
  <SALARY> 4200.00 </SALARY>  
  <MANAGER/>  
  </FULLTIMESTAFF>  
  <FULLTIMESTAFF>  
  <NAME>    Hanisah   Bte   Salleh    </NAME>  
  <ID>    S6934311F    </ID>  
  <SALARY> 1800.00 </SALARY>  
  </FULLTIMESTAFF>  
  </STAFFLIST>  
  </DEPARTMENT>  
  <DEPARTMENT   NAME   =    "Sales   and   Publicity ">  
  <STAFFLIST>  
  <FULLTIMESTAFF>  
  <NAME>    Linda   Peh   Xue   Li </NAME>  
  <ID>    S6423451J    </ID>  
  <SALARY> 3500.00 </SALARY>  
  <MANAGER/>  
  </FULLTIMESTAFF>  
  <FULLTIMESTAFF>  
  <NAME>    Thomas   Lye   Meng   Poh </NAME>  
  <ID>    S7234344F    </ID>  
  <SALARY> 1800.00 </SALARY>  
  </FULLTIMESTAFF>  
  <PARTTIMESTAFF>  
  <NAME>    Eugene   Oliver   John </NAME>  
  <ID>    S7533213F    </ID>  
  <HOURLYSALARY> 12.00 </HOURLYSALARY>  
  </PARTTIMESTAFF>