IO流之Object流

public class TestObjectIO {

public static void main(String[] args) {
try {
T t = new T();
t.k=8;
FileOutputStream fos = new FileOutputStream("d://data.txt");
ObjectOutputStream oos = new ObjectOutputStream(fos);
oos.writeObject(t);
oos.flush();
oos.close();

FileInputStream fis = new FileInputStream("d://data.txt");
ObjectInputStream ois = new ObjectInputStream(fis);
T tRead = (T) ois.readObject();
System.out.println(tRead.i+"=="+tRead.j+"==="+tRead.d+"=="+tRead.k);
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
} catch (ClassNotFoundException e) {
e.printStackTrace();
}
}

}

class T implements Serializable{
int i = 3;
int j = 5;
double d = 2.33;
transient int k = 10;
}