Java - convert binary file to object

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// Hint: the below solution uses embedded deserialization mechanysm in Java.

import java.io.FileInputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.Serializable;

public class Program {

	public static void main(String[] args) throws IOException, ClassNotFoundException {

        User user;

        try (
            FileInputStream fileStream = new FileInputStream("user.dat");  // user.dat was saved using https://dirask.com/snippets/jmJm21
            ObjectInputStream objectStream = new ObjectInputStream(fileStream)
        ) {
            user = (User) objectStream.readObject();
        }

        System.out.println("id:    " + user.getId());
        System.out.println("name:  " + user.getName());
        System.out.println("email: " + user.getEmail());
    }

    public static class User implements Serializable {

        private static final long serialVersionUID = 1833276496243006152L; // embedded random number is used to identify object type

	    private long id;
	    private String name;
	    private String email;

        public long getId() {
            return this.id;
        }

        public void setId(long id) {
            this.id = id;
        }

        public String getName() {
            return this.name;
        }

        public void setName(String name) {
            this.name = name;
        }

        public String getEmail() {
            return this.email;
        }

        public void setEmail(String email) {
            this.email = email;
        }
    }
}