public void cacheClassInfo(String name,Class value){
  if (value != null)   absoluteClassCache.put(name,value);
 else   absoluteNonClasses.put(name,NOVALUE);
}

public void cacheClassInfo ( String name , Class value ) { if ( value != null ) absoluteClassCache . put ( name , value ) ; else absoluteNonClasses . put ( name , NOVALUE ) ; }
cache info about whether name is a class or not .
