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Why would I want to implement Externalizable instead of Serializable?

April 26, 2017externalizable implement serializable

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Why would I want to implement Externalizable instead of Serializable?

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Location: http://www.jguru.com/faq/view.jsp?EID=42504 Created: Apr 30, 2000 Modified: 2000-05-01 09:45:05.552 Author: Andre van Dalen (http://www.jguru.com/guru/viewbio.jsp?EID=7570) Question originally posed by Tim Rohaly PREMIUM (http://www.jguru.com/guru/viewbio.jsp?EID=10 By implementing Externalizable yourself you can win performance at the cost of flexibility and extra code to maintain. If you implement Externalizable yourself you stream the data directly without the need for reflection which is used in the case of Serializable. See http://developer.java.sun.com/developer/TechTips/2000/tt0425.html for an example.