Save File

import java.io.*;
public class Character implements Serializable
{
   private String name;


   public Character(String name)
   {
      this.name = name;
   }

   public String getName()
   {
      return name;
   }

}
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import java.io.*;
import java.util.ArrayList;
public class Movie implements Serializable
{
   private String director;
   private int releaseDate;
   private ArrayList<Character> characters = new ArrayList<Character>();

   public Movie(String director, int releaseDate, ArrayList<Character> characters)
   {
      this.director = director;
      this.releaseDate = releaseDate;
      this.characters = characters;
   }

   public String getDirector()
   {
      return director;
   }

   public int releaseDate()
   {
      return releaseDate;
   }

   public ArrayList<Character> getCharacter()
   {
      return characters;
   }
}
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import java.util.ArrayList;
import java.io.*;
public class MovieDatabase
{
private ArrayList<Movie> movies = new ArrayList<Movie>();

public MovieDatabase(ArrayList<Movie> movies)
   {
   this.movies = movies;
   }

public ArrayList<Movie> getMovies()
   {
   return movies;
   }

}
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import java.io.*;

public class Persistence
{


   public static void saveMovieDatabase(MovieDatabase movieDatabase)
   {
      try{
         File file = new File("movies.txt");
         file.createNewFile();

         FileOutputStream file1= new FileOutputStream("movies.txt",false);
         ObjectOutputStream out = new ObjectOutputStream(file1);

         out.writeObject(movieDatabase);
         file1.close();
         out.close();

       }
       catch (IOException e)
       {
             System.out.println("Something went wrong");
      }
   }
 }
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import java.util.ArrayList;
import java.io.*;

public class RunMoviePersistence
{
   public static void main(String[] args)
   {




      Character character1 = new Character("Tom");
      Character character2 = new Character("Lucy");

      ArrayList<Character> ch1 = new ArrayList<Character>();
      ch1.add(character1);
      ch1.add(character2);

      Movie movie1 = new Movie("You", 2001, ch1);

      ArrayList<Movie> movies = new ArrayList<Movie>();
      movies.add(movie1);

       MovieDatabase movieDatabase = new MovieDatabase(movies);

      Persistence.saveMovieDatabase(movieDatabase);
    }
 }