90 lines
2.7 KiB
Java
90 lines
2.7 KiB
Java
/*
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* Copyright (c) 1999, 2019, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @bug 4186885
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*/
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import java.io.*;
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public class EvolvedClass {
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public static void main(String args[]) throws Exception{
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ASubClass corg = new ASubClass(1, "SerializedByEvolvedClass");
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ASubClass cnew = null;
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// Deserialize in to new class object
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FileInputStream fi = new FileInputStream("parents.ser");
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try {
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ObjectInputStream si = new ObjectInputStream(fi);
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cnew = (ASubClass) si.readObject();
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} finally {
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fi.close();
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}
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System.out.println("Printing the deserialized class: ");
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System.out.println();
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System.out.println(cnew);
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}
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}
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/* During deserialization, the no-arg constructor of a serializable base class
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* must not be invoked.
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*/
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class ASuperClass implements Serializable {
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private static final long serialVersionUID = 1L;
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String name;
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ASuperClass() {
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/*
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* This method is not to be executed during deserialization for this
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* example. Must call no-arg constructor of class Object which is the
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* base class for ASuperClass.
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*/
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throw new Error("ASuperClass: Wrong no-arg constructor invoked");
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}
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ASuperClass(String name) {
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this.name = new String(name);
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}
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public String toString() {
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return("Name: " + name);
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}
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}
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class ASubClass extends ASuperClass implements Serializable {
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int num;
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private static final long serialVersionUID =6341246181948372513L;
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ASubClass(int num, String name) {
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super(name);
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this.num = num;
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}
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public String toString() {
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return (super.toString() + "\nNum: " + num);
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}
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}
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