Complete the following procedure to compile and run this example:
- From yourbasedir/objectserializationexamples/ExternalizableSuperclass, compile the Savesuper.java file using JDKTM 1.1 or higher:
 javac Savesuper.java- Run the file you just compiled: java Savesuper
 The original book object is printed (showing the object before serialization) and then the new book object is printed (showing the object after serialization).
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