/* * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ /* * @bug 4186885 */ import java.io.*; public class EvolvedClass { public static void main(String args[]) throws Exception{ ASubClass corg = new ASubClass(1, "SerializedByEvolvedClass"); ASubClass cnew = null; // Deserialize in to new class object FileInputStream fi = new FileInputStream("parents.ser"); try { ObjectInputStream si = new ObjectInputStream(fi); cnew = (ASubClass) si.readObject(); } finally { fi.close(); } System.out.println("Printing the deserialized class: "); System.out.println(); System.out.println(cnew); } } /* During deserialization, the no-arg constructor of a serializable base class * must not be invoked. */ class ASuperClass implements Serializable { String name; ASuperClass() { /* * This method is not to be executed during deserialization for this * example. Must call no-arg constructor of class Object which is the * base class for ASuperClass. */ throw new Error("ASuperClass: Wrong no-arg constructor invoked"); } ASuperClass(String name) { this.name = new String(name); } public String toString() { return("Name: " + name); } } class ASubClass extends ASuperClass implements Serializable { int num; private static final long serialVersionUID =6341246181948372513L; ASubClass(int num, String name) { super(name); this.num = num; } public String toString() { return (super.toString() + "\nNum: " + num); } }