public Object clone() { IndexRecord rec = new IndexRecord(); rec.field_2_first_row = field_2_first_row; rec.field_3_last_row_add1 = field_3_last_row_add1; rec.field_4_zero = field_4_zero; rec.field_5_dbcells = new IntList(); rec.field_5_dbcells.addAll(field_5_dbcells); return rec; }