序列化一个类,以便可以还原它。
import java.io.FileInputStream; import java.io.FileOutputStream; import java.io.IOException;/*来 自 nowjava*/ import java.io.ObjectInputStream; import java.io.ObjectOutputStream; import java.io.Serializable; public class Main { public static void main(String[] args) { Main example = new Main(); example.start(); } private void start() { MyClass settings = new MyClass("The title of the application"); saveSettings(settings, "settings.bin"); MyClass loadedSettings = loadSettings("settings.bin"); if (loadedSettings != null)/** from 时 代 J a v a 公 众 号 - nowjava.com**/ System.out.println("Are settings are equal? :" + loadedSettings.equals(settings)); } private void saveSettings(MyClass settings, String filename) { try { FileOutputStream fos = new FileOutputStream(filename); try (ObjectOutputStream oos = new ObjectOutputStream(fos)) { oos.writeObject(settings); } } catch (IOException e) { e.printStackTrace(); } } private MyClass loadSettings(String filename) { try { FileInputStream fis = new FileInputStream(filename); ObjectInputStream ois = new ObjectInputStream(fis); return (MyClass) ois.readObject(); } catch (IOException | ClassNotFoundException e) { e.printStackTrace(); } return null; } } class MyClass implements Serializable { private String t