关于serialization 机制作用于Serializeble Object ？高手请进！

2002-11-16 11:15:05 87 阅读 AI 写同款 · GEO 优化AI 选题数据监测一键分发 ›

ESD 防护深度解析：模型、等级、系统设计与防护策略本文系统阐述了静电放电（ESD）防护的核心技术体系。首先对比分析了HBM（人体模型）和CDM（充电设备模型）两种基础ESD模型的物理特性、测试标准及分级要求，指出相同电压下CDM的破坏性是HBM的15-20倍。其次详细解析了IEC61000-4-2系统级ESD标准，包括接触/空气放电测试方法及判定等级。重点提出了系统级防护的三层架构：空间隔离（≥10mm间距）、电气隔离（地平面分割）和TVS管选型（响应时间＜1ns），并对比了MOV、SCR等防护器件特性。针对不同应用场景（消费电子、工业控制等）给出了差异化阅读详情

出自Thinking In Java 书中的一例： p630
//: c11:MyWorld.java
import java.io.*;
import java.util.*;

class House implements Serializable {}

class Animal implements Serializable {
String name;
House preferredHouse;
Animal(String nm, House h) {
name = nm;
preferredHouse = h;
}
public String toString() {
return name + "[" + super.toString() +
"], " + preferredHouse + "\n";
}
}

public class MyWorld {
public static void main(String[] args)
throws IOException, ClassNotFoundException {
House house = new House();
ArrayList animals = new ArrayList();
animals.add(
new Animal("Bosco the dog", house));
animals.add(
new Animal("Ralph the hamster", house));
animals.add(
new Animal("Fronk the cat", house));
System.out.println("animals: " + animals);

ByteArrayOutputStream buf1 =
new ByteArrayOutputStream();
ObjectOutputStream o1 =
new ObjectOutputStream(buf1);
o1.writeObject(animals);
o1.writeObject(animals); // Write a 2nd set
// Write to a different stream:
ByteArrayOutputStream buf2 =
new ByteArrayOutputStream();
ObjectOutputStream o2 =
new ObjectOutputStream(buf2);
o2.writeObject(animals);
// Now get them back:
ObjectInputStream in1 =
new ObjectInputStream(
new ByteArrayInputStream(
buf1.toByteArray()));
ObjectInputStream in2 =
new ObjectInputStream(
new ByteArrayInputStream(
buf2.toByteArray()));
ArrayList animals1 =
(ArrayList)in1.readObject();
ArrayList animals2 =
(ArrayList)in1.readObject();
ArrayList animals3 =
(ArrayList)in2.readObject();
System.out.println("animals1: " + animals1);
System.out.println("animals2: " + animals2);
System.out.println("animals3: " + animals3);
}
} ///:~

某次执行的结果：
animals: [Bosco the dog[Animal@1cc76c], House@1cc769
, Ralph the hamster[Animal@1cc76d], House@1cc769
, Fronk the cat[Animal@1cc76e], House@1cc769
]
animals1: [Bosco the dog[Animal@1cca0c], House@1cca16
, Ralph the hamster[Animal@1cca17], House@1cca16
, Fronk the cat[Animal@1cca1b], House@1cca16
]
animals2: [Bosco the dog[Animal@1cca0c], House@1cca16
, Ralph the hamster[Animal@1cca17], House@1cca16
, Fronk the cat[Animal@1cca1b], House@1cca16
]
animals3: [Bosco the dog[Animal@1cca52], House@1cca5c
, Ralph the hamster[Animal@1cca5d], House@1cca5c
, Fronk the cat[Animal@1cca61], House@1cca5c
]

关于 animals1,animals2 and animals3的回复过程为什么会有差别，请指点！
以及书中的此句： "when animals3 is recovered the system has no way of knowing that the objects in this other stream are aliases of the objects in the first stream, so it makes a completely different web of objects."
说，为什么animals3被回复时，系统会制造出完全不同的对象网络来呢？

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