@Override public void writeExternal(ObjectOutput out) throws IOException {
  super.writeExternal(out);
  out.writeInt(values.length);
  for (  double v : values) {
    out.writeDouble(v);
  }
}

@ Override public void writeExternal ( ObjectOutput out ) throws IOException { super . writeExternal ( out ) ; out . writeInt ( values . length ) ; for ( double v : values ) { out . writeDouble ( v ) ; } }
calls the super method and writes the values of this entry to the specified stream .
