public void toString(final StringBuilder sbInt,final long start,final long end){
  final long e=end > length() ? length() : end;
  boolean allNull=true;
  for (long i=start; i < e; i++) {
    if (get(i) != null) {
      allNull=false;
      break;
    }
  }
  if (allNull) {
    return;
  }
  sbInt.append("[");
  FORMAT_INDEX.format(sbInt,start);
  sbInt.append("] ");
  for (long i=start; i < e; i++) {
    sbInt.append(get(i));
    if (i != (e - 1)) {
      sbInt.append(", ");
    }
  }
  sbInt.append(LS);
}

public void toString ( final StringBuilder sbInt , final long start , final long end ) { final long e = end > length ( ) ? length ( ) : end ; boolean allNull = true ; for ( long i = start ; i < e ; i ++ ) { if ( get ( i ) != null ) { allNull = false ; break ; } } if ( allNull ) { return ; } sbInt . append ( "[" ) ; FORMAT_INDEX . format ( sbInt , start ) ; sbInt . append ( "] " ) ; for ( long i = start ; i < e ; i ++ ) { sbInt . append ( get ( i ) ) ; if ( i != ( e - 1 ) ) { sbInt . append ( ", " ) ; } } sbInt . append ( LS ) ; }
string representation on one line of part of the index .
