public static Iterator names()
   {
      SecurityManager sm = System.getSecurityManager();
      if (sm != null)
         sm.checkPropertiesAccess();
      return props.names();
   }
public static Iterator names()
   {
      SecurityManager sm = System.getSecurityManager();
      if (sm != null)
         sm.checkPropertiesAccess();
      return props.names();
   }
public static Iterator names ( ) { SecurityManager sm = System . getSecurityManager ( ) ; if ( sm != null ) sm . checkPropertiesAccess ( ) ; return props . names ( ) ; }
Return an iterator over all contained property names.

@return     Property name iterator.
Return an iterator over all contained property names .