xml serialization

gistfile1.txt

package serialization;

public class AdmittedGroup { // нужен отдельный java файл AdmittedGroup.java!!!

    public Student first = new Student("Natalie");
    public Student second = new Student("Olga");
    public Student third = new Student("Stanislav");
    public Student fourth = new Student("Valentine");
    public Student fifth = new Student("Artem");

    @Override
    public String toString() {
        return first + "\n"
                + second + "\n"
                + third + "\n"
                + fourth + "\n"
                + fifth + "\n";
    }
}


//////////////////////////////////////////////////////////////////////////////////////////////////////////

package serialization;

import java.beans.XMLDecoder;
import java.beans.XMLEncoder;
import java.io.*;

public class Program { // нужен отдельный java файл Program.java!!!

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

        String path = "C:\\1\\1.txt";
        
        // http://en.wikipedia.org/wiki/Java_Architecture_for_XML_Binding
        // http://docs.oracle.com/javase/8/docs/api/java/beans/XMLEncoder.html

        AdmittedGroup group = new AdmittedGroup();
        System.out.println(group);

        FileOutputStream out = new FileOutputStream(path);
        try (XMLEncoder xmlEncoder = new XMLEncoder(out)) {
            xmlEncoder.writeObject(group);
            xmlEncoder.flush();
        }

        FileInputStream in = new FileInputStream(path);
        AdmittedGroup restored;
        try (XMLDecoder xmlDecoder = new XMLDecoder(in)) {
            restored = (AdmittedGroup) xmlDecoder.readObject();
        }
        
        System.out.println(restored);

        Runtime r = Runtime.getRuntime();
        r.exec("cmd /c " + path);
        
        // r.exec("C:\\path\\to\\notepad++.exe C:\\path\\to\\file.txt");

    }
}


/////////////////////////////////////////////////////////////////////////////////////////////////////////////

package serialization;

public class Student { // нужен отдельный java файл Student.java!!!

    private String name;
    private int age = (int) (Math.random() * 20 + 20);

    public Student(String name) {
        setName(name);
        // setAge(age);
    }

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

    @Override
    public boolean equals(Object o) {
        Student s = (Student) o;
        return name.equals(s.name);
    }

    public String getName() {
        return name;
    }

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

    public int getAge() {
        return age;
    }

    public void setAge(int age) {
        if (age >= 0 && age <= 100) {
            this.age = age;
        } else {
            this.age = 18;
        }
    }
}