JavaÐòÁл¯ºÍ·´ÐòÁл¯

package unit5;

import java.io.*;

public class Java43 {

// ÐòÁл¯£º¶ÔÏó ¡ª¡ª> Îļþ

static void m1() throws IOException {

Per p1 = new Per("ÕÅÈý", 30);

File file = new File("d:/per.txt");

ObjectOutputStream oos = new ObjectOutputStream(new FileOutputStream(file));

oos.writeObject(p1);

oos.close();

}

// ·´ÐòÁл¯£ºÎļþ ¡ª¡ª> ¶ÔÏó

static void m2() throws IOException, ClassNotFoundException {

File file = new File("d:/per.txt");

ObjectInputStream ois = new ObjectInputStream(new FileInputStream(file));

Object o = ois.readObject();

Per per = (Per)o;

}

public static void main(String[] args) throws IOException, ClassNotFoundException {

// IOÐòÁл¯¡¢·´ÐòÁл¯

// ×¢Ò⣺static²»»á±»ÐòÁл¯¡£

// ×¢Ò⣺transient£º±»transientÕâ¸ö¹Ø¼ü×ÖÐÞÊβ»»á±»ÐòÁл¯

// ÐòÁл¯£º¶ÔÏó ¡ª¡ª> Îļþ

// °Ñjava¶ÔÏóÒÔ×Ö½ÚÐÎʽ±£´æÔÚ´ÅÅÌÎļþÖеĹý³Ì¡£

//m1();

// ·´ÐòÁл¯£ºÎļþ ¡ª¡ª> ¶ÔÏó

// °Ñ±£´æÔÚ´ÅÅÌÖеÄjava¶ÔÏóÖØÐÂת»»ÎªÄÚ´æÖеÄjava¶ÔÏó¡£

m2();

}

}

// ҪʵÏÖÐòÁл¯¹¦ÄÜ¡¢Àà±ØÐëʵÏÖÐòÁл¯½Ó¿Ú(Serializable ±êʶ½Ó¿Ú)

class Per implements Serializable {

String name;

transient int age;

public Per(String name, int age) {

this.name = name;

this.age = age;

}

@Override

public String toString() {

return "Per{" +

"name='" + name + '\'' +

", age=" + age +

'}';

}

}