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Serialization, Evolution, and the Addition of a New SuperClass

Running the Example

Complete the following procedure to compile and run this example:

1. From yourbasedir/objectserializationexamples/AddingNewSuperClassAndEvolution, compile the Original Class using JDK™ 1.2 or higher:

     javac OriginalClass.java
   

2. Run the Original Class with the serialization flag:

     java OriginalClass -s
   

3. Compile the Evolved Class:

     javac EvolvedClass.java
   

4. Run the Evolved Class with the deserialization flag:

     java EvolvedClass -d
   

This procedure tests compatibility in one direction only. To test bidirectional compatibility, perform the same procedure in the other direction (in steps 1-4, replace the original class name with the evolved class name, and vice versa).

For more information:

Abstract

Sources

List of Examples