code: public static Tuple stringToTuple(String line) {
          // tokenize the line
          String nameParts[] = line.split("\t");
  
          // create the tuple, setting the first and last names
          Tuple tuple = new Tuple();
          tuple.set(TupleFields.LAST_NAME, nameParts[0]);
          tuple.set(TupleFields.FIRST_NAME, nameParts[1]);
          return tuple;
      }
docs: Split the input line and return a {@link Tuple} representation of the last and first names.
  
  @param line a line containing a tab-delimited last and first name.
  @return a {@link Tuple} representation of the line