java例程练习（对象流）

import java.io.*; // transient 关键字 // serializable 接口 // externalizable 接口 public class Test { public static void main(String[] args) throws Exception{ T t = new T(); t.k = 8; FileOutputStream fos = new FileOutputStream("C:/java/testobjectio.txt"); ObjectOutputStream oos = new ObjectOutputStream(fos); oos.writeObject(t); oos.flush(); oos.close(); FileInputStream fis = new FileInputStream("C:/java/testobjectio.txt"); ObjectInputStream ois = new ObjectInputStream(fis); T tReaded = (T)ois.readObject(); System.out.println(tReaded.i + " " + tReaded.j + " " + tReaded.d + " " + tReaded.k); } } class T implements Serializable{ int i = 10; int j = 9; double d = 2.3; transient int k = 21;//透明的（在序列化是不考虑） }