JAVA Serialization

import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.ObjectOutputStream;
import java.io.Serializable;

class DataGames implements Serializable {
    private String nickname;
    private int level;
    private long gold, token;

    public String getNickname() {
        return nickname;
    }

    public void setNickname(String nickname) {
        this.nickname = nickname;
    }

    public int getLevel() {
        return level;
    }

    public void setLevel(int level) {
        this.level = level;
    }

    public long getGold() {
        return gold;
    }

    public void setGold(long gold) {
        this.gold = gold;
    }

    public long getToken() {
        return token;
    }

    public void setToken(long token) {
        this.token = token;
    }
}


public class LearnSerialization {
    public static void main(String[] args) {
        DataGames data = new DataGames();
        data.setNickname("[ Sinner ] Shiny");
        data.setLevel(30);
        data.setGold(900000000);
        data.setToken(999999999);

        String directorySaveData = "D:\\Git Clone\\DataGames.txt";

        try(FileOutputStream file = new FileOutputStream(directorySaveData)) {
            ObjectOutputStream output = new ObjectOutputStream(file);
            output.writeObject(data);
            output.close();

            System.out.println("Serialization Success!");
        }

        catch(FileNotFoundException o) {
            o.printStackTrace();
        }

        catch(IOException o) {
            o.printStackTrace();
        }
    }
}