Serilization Users

import java.io.*;
 
public class PlayerData implements Serializable
{
    public PlayerData(String name, int score, String username,
          String password)
    {
       this.name = name;
       this.score = score;
       this.username = username;
       this.password = password;
    }
   
    public String name;
    public int score;
    public String username;
    public String password;
}

import java.io.*;

import org.junit.Test;

   

public class SerializationExample

{

    public SerializationExample()

    {    

       // Create an instance of our PlayerData class...

       PlayerData playerData = new PlayerData("abishkar", 400, 

             "abishkar", "abishkar");

    

       // Create out file object...

       File theFile = new File("output.txt");

       

       // Create the file output stream...

       FileOutputStream fileOutputStream = null;

       try

       {

           fileOutputStream = new FileOutputStream(theFile);

       }    

       catch(FileNotFoundException e)

       {

          System.out.println(e);

       }

       

       // Create the object output stream...

       ObjectOutputStream objectOutputStream = null;

       

       try

       {

          objectOutputStream = new ObjectOutputStream

                (fileOutputStream);

       

          // Write the object to the object output stream...

          objectOutputStream.writeObject(playerData);

       }

       catch(IOException e)

       {

          System.out.println(e);

       }

       

       // Read the object back into a new instance of our

       // 'PlayerData' class

       PlayerData newPlayerData = null;

       

       // Create the file input stream...

       FileInputStream fileInputStream = null;

       try

       {

           fileInputStream = new FileInputStream(theFile);

       }

       catch(FileNotFoundException e)

       {

          System.out.println(e);

       }

       

       // Create the object input stream...

       ObjectInputStream objectInputStream = null;

       

       try

       {

          objectInputStream = new ObjectInputStream(fileInputStream);

       

          // Read the object from the object input stream...

          newPlayerData = (PlayerData) objectInputStream

                 .readObject();

       }

       catch(ClassNotFoundException e)

       {

          System.out.println(e);

       }

       catch(IOException e)

       {

          System.out.println(e);

       }

    

       // Print what was read in...

       System.out.println("The player's name was: "+newPlayerData.name);

               

       System.out.println("The player's score was:   "+newPlayerData.score);

             

       System.out.println("The player's username was: "+newPlayerData.username);

               

       System.out.println("The player's password was: "+newPlayerData.password);

               

    }

    

    @Test

 public void    M1(){

    

       SerializationExample App = new SerializationExample();

    }

    

}