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）
	
}