This week's book giveaway is in the OO, Patterns, UML and Refactoring forum. We're giving away four copies of Refactoring for Software Design Smells: Managing Technical Debt and have Girish Suryanarayana, Ganesh Samarthyam & Tushar Sharma on-line! See this thread for details.
hi In Serialization there is a default implementation for the serialization process,the class itself take care of that. In externalaization User can implement their own way of serialization process using readExtern() and writeExtern() method.