public static String toInitLiteral(List<long[]> llarr){
  List<String> slist=new ArrayList<String>();
  for (  long[] larr : llarr) {
    slist.add(toInitLiteral(larr));
  }
  return "{" + StringUtils.join(slist,",") + "}";
}

public static String toInitLiteral ( List < long [ ] > llarr ) { List < String > slist = new ArrayList < String > ( ) ; for ( long [ ] larr : llarr ) { slist . add ( toInitLiteral ( larr ) ) ; } return "{" + StringUtils . join ( slist , "," ) + "}" ; }
convert a list of long array to a initializer literal string .
