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）

}