b1.java

import java.io.*;

public class Serial
{
    public static void main(String[] args)
    {
        String name = "Ser";
        String filename = "file.bin";

        try
        {
            FileOutputStream file  = new FileOutputStream(filename);
            ObjectOutputStream out = new ObjectOutputStream(file);

            // Serialization of the "name" (String) object
            // Will be written to "file.bin"

            out.writeObject(name);

            out.close();
            file.close();
        }
        catch(Exception e)
        {
            System.out.println("Exception: " + e.toString());
        }
    }
}