// serialization/xfiles/ThawAlien.java // ©2016 MindView LLC: see Copyright.txt // Recover a serialized file package serialization.xfiles; import java.io.*; public class ThawAlien { public static void main(String[] args) throws Exception { ObjectInputStream in = new ObjectInputStream( new FileInputStream(new File("..", "X.file"))); Object mystery = in.readObject(); System.out.println(mystery.getClass()); } } /* Output: class Alien */