Little snippet to save and read java initialized classes directly into a file

classSerializer.java

import java.io*;

/**
 * Created by zekro on 24.05.2017 / 09:46
 * DiscordBot/commands.chat
 * © zekro 2017
 */

public class Serializer implements Serializable {
 
    private final String saveFileName = "save.dat";
  
    public class Test implements Serializable {
        private String name;
        private int count;

        public Test(String name, int count) {
            this.name = name;
            this.count = count;
        }
    }
  
    private void saveClass(Test inst) throws IOException {
        FileOutputStream fos = new FileOutputStream(saveFileName);
        ObjectOutputStream oos = new ObjectOutputStream(fos);
        oos.writeObject(inst);
        oos.close();
    }

    private Test loadClass() throws IOException, ClassNotFoundException {
        FileInputStream fis = new FileInputStream(saveFileName);
        ObjectInputStream ois = new ObjectInputStream(fis);
        Test out = (Test) ois.readObject();
        ois.close();
        return out;
    }
  
}