Converting java POJOs to/from bytes

Export.java

import java.io.*;

public class Export {

    public static void writeTo(BufferedWriter writer, Person person) throws IOException {
        writer.write(person.name); writer.newLine();
        writer.write(person.surname); writer.newLine();
        writer.write(person.age);
    }
}

Import.java

import java.io.*;

public class Import {

    public static Person readFrom(BufferedReader reader) throws IOException {
        Person p = new Person();
        p.name = reader.readLine();
        p.surname = reader.readLine();
        p.age = reader.read();

        return p;
    }
}

Person.java

public class Person {

    public String name;
    public String surname;
    public int age;

    public Person() {}

    @Override
    public String toString() {
        return "{ name : " + name + ", surname : " + surname + ", age : " + age + " }";
    }
}

sketch.pde

import java.io.*;

final String FILE_PATH = "person.data";

// Export
try {
    Person p = new Person();
    p.name = "John";
    p.surname = "Doe";
    p.age = 34;

    BufferedWriter out = new BufferedWriter(new FileWriter(FILE_PATH));
    Export.writeTo(out, p);
    out.close();

    System.out.println("Exported: " + p);
} catch (IOException e) {
    e.printStackTrace();
}

// Import
try {
    BufferedReader in = new BufferedReader(new FileReader(FILE_PATH));
    Person p = Import.readFrom(in);
    in.close();

    System.out.println("Imported: " + p);
} catch (IOException e) {
    e.printStackTrace();
}