java 泛型 序列化與反序列化實例

import java.io.*;
import java.util.Date;
public class ObjectSaver {
  public static void main(String[] args) throws Exception {
    /*其中的 /Users/slq/Desktop/java/4/objectFile.obj 表示存放序列化對象的文件*/
    //序列化對象
    ObjectOutputStream out = new ObjectOutputStream(new FileOutputStream("/Users/slq/Desktop/java/4/objectFile.obj"));
    Customer customer = new Customer("王麻子", 24);  
    out.writeObject("你好!");  //寫入字面值常量
    out.writeObject(new Date());  //寫入匿名Date對象
    out.writeObject(customer);  //寫入customer對象
    out.close();
    //反序列化對象
    ObjectInputStream in = new ObjectInputStream(new FileInputStream("/Users/slq/Desktop/java/4/objectFile.obj"));
    System.out.println("obj1 " + (String) in.readObject());  //讀取字面值常量
    System.out.println("obj2 " + (Date) in.readObject());  //讀取匿名Date對象
    Customer obj3 = (Customer) in.readObject();  //讀取customer對象
    System.out.println("obj3 " + obj3);
    in.close();
  }
}
class Customer implements Serializable {
  private String name;
  private int age;
  public Customer(String name, int age) {
    this.name = name;
    this.age = age;
  }
  public String toString() {
    return "name=" + name + ", age=" + age;
  }
}