private void readObject(ObjectInputStream anInstream) throws ClassNotFoundException, IOException {
  anInstream.defaultReadObject();
  previous=next=this;
  linear=new LinearInterpolator();
}

private void readObject ( ObjectInputStream anInstream ) throws ClassNotFoundException , IOException { anInstream . defaultReadObject ( ) ; previous = next = this ; linear = new LinearInterpolator ( ) ; }
read object to deserialize .
