question: @ Override public void writeExternal ( ObjectOutput out ) throws IOException { super . writeExternal ( out ) ; int k_max = knnDistances . length ; out . writeInt ( k_max ) ; for ( int i = 0 ; i < k_max ; i ++ ) { out . writeDouble ( knnDistances [ i ] ) ; } }
target:  Calls the super method and writes the parameter k_max and the knn distances of this entry to the specified stream.