Hi


import java.io.*;

public class DeserializingExample{

public static void main(String[] args) throws IOException{
BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
System.out.print("Enter File name : ");

String file = in.readLine();

System.out.print("Enter extention : ");

String ext = in.readLine();

String filename = file + "." + ext;

File f = new File(filename);

try{

ObjectInputStream obj = new ObjectInputStream(new FileInputStream(f));
System.out.println("The text : "+ obj.readObject());
obj.close();
System.out.println("Deserializing Operation Completly Successfully.");

}

catch(ClassNotFoundException e){

System.out.println(e.getMessage());

}

catch(FileNotFoundException fe){

System.out.println("File not found ");

}

}

}

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Read for more information,

http://www.roseindia.net/java/example/java/io/