Java IO（七）- Object流

public class Test {

    public static void main(String[] args) {
        try {
            T t = new T();
            t.k = 18;
            FileOutputStream fos = new FileOutputStream("d:/bak/testobjectio.dat");
            ObjectOutputStream oos = new ObjectOutputStream(fos);
            oos.writeObject(t);
            oos.flush();
            oos.close();
            
            FileInputStream fis = new FileInputStream("d:/bak/testobjectio.dat");
            ObjectInputStream ois = new ObjectInputStream(fis);
            T t2 = (T) ois.readObject();
            System.out.println(t2.i + "//" + t2.j + "//" + t2.d + "//" + t2.k);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
    
}
class T implements Serializable {
    int i = 10;
    int j = 9;
    double d = 2.3;
    int k = 15;
}

10//9//2.3//18

class T implements Serializable {
    int i = 10;
    int j = 9;
    double d = 2.3;
    transient int k = 15;
}

10//9//2.3//0