question: private void readObject ( ObjectInputStream s ) throws ClassNotFoundException , IOException { s . defaultReadObject ( ) ; attrMap = new HashMap ( ) ; int count = s . readInt ( ) ; Attribute attr ; for ( int i = 0 ; i < count ; i ++ ) { attr = ( Attribute ) s . readObject ( ) ; add ( attr ) ; } }
target:  Reconstitute an instance from a stream that is, deserialize it).