Java序列化的几种方式以及序列化的作用（文章有所改变）
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Java序列化的几种方式以及序列化的作用（文章有所改变）
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本文著重講解一下Java序列化的相關內容。
如果對Java序列化感興趣的同學可以研究一下。
一.Java序列化的作用
???有的時候我們想要把一個Java對象變成字節流的形式傳出去，有的時候我們想要從一個字節流中恢復一個Java對象。例如，有的時候我們想要
把一個Java對象寫入到硬盤或者傳輸到網路上面的其它計算機，這時我們就需要自己去通過java把相應的對象寫成轉換成字節流。對于這種通用
的操作，我們為什么不使用統一的格式呢？沒錯，這里就出現了java的序列化的概念。在Java的OutputStream類下面的子類ObjectOutput-
Stream類就有對應的WriteObject(Object object) 其中要求對應的object實現了java的序列化的接口。
? 為了更好的理解java序列化的應用，我舉兩個自己在開發項目中遇到的例子:
? 1)在使用tomcat開發JavaEE相關項目的時候，我們關閉tomcat后，相應的session中的對象就存儲在了硬盤上，如果我們想要在tomcat重啟的
時候能夠從tomcat上面讀取對應session中的內容，那么保存在session中的內容就必須實現相關的序列化操作。
? 2)如果我們使用的java對象要在分布式中使用或者在rmi遠程調用的網絡中使用的話，那么相關的對象必須實現java序列化接口。
? 親愛的小伙伴，大概你已經了解了java序列化相關的作用，接下來們來看看如何實現java的序列化吧。~
??二.實現java對象的序列化和反序列化。
????????? ?Java對象的序列化有兩種方式。
???????????a.是相應的對象實現了序列化接口Serializable，這個使用的比較多，對于序列化接口Serializable接口是一個空的接口，它的主要作用就是
???????????? 標識這個對象時可序列化的，jre對象在傳輸對象的時候會進行相關的封裝。這里就不做過多的介紹了。
???????????? 下面是一個實現序列化接口的Java序列化的例子:非常簡單
????????????
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 | package?com.shop.domain; import?java.util.Date; public?class?Article?implements?java.io.Serializable { ????private?static?final?long?serialVersionUID = 1L; ????private?Integer id;? ????private?String title;??//文章標題 ????private?String content;??// 文章內容 ????private?String faceIcon;//表情圖標 ????private?Date postTime;?//文章發表的時間 ????private?String ipAddr;??//用戶的ip ????? ????private?User author;??//回復的用戶 ????? ????public?Integer getId() { ????????return?id; ????} ????public?void?setId(Integer id) { ????????this.id = id; ????} ????public?String getTitle() { ????????return?title; ????} ????public?void?setTitle(String title) { ????????this.title = title; ????} ????public?String getContent() { ????????return?content; ????} ????public?void?setContent(String content) { ????????this.content = content; ????} ????public?String getFaceIcon() { ????????return?faceIcon; ????} ????public?void?setFaceIcon(String faceIcon) { ????????this.faceIcon = faceIcon; ????} ????public?Date getPostTime() { ????????return?postTime; ????} ????public?void?setPostTime(Date postTime) { ????????this.postTime = postTime; ????} ????public?User getAuthor() { ????????return?author; ????} ????public?void?setAuthor(User author) { ????????this.author = author; ????} ????public?String getIpAddr() { ????????return?ipAddr; ????} ????public?void?setIpAddr(String ipAddr) { ????????this.ipAddr = ipAddr; ????} ????? ????? } |
?
b.實現序列化的第二種方式為實現接口Externalizable，Externlizable的部分源代碼如下:
??????
| 1 2 3 4 5 6 7 8 | *?@see?java.io.ObjectInput ?*?@see?java.io.Serializable ?*?@since???JDK1.1 ?*/ public?interface?Externalizable?extends?java.io.Serializable { ????/** ?????* The object?implements?the writeExternal method to save its contents ?????* by calling the methods of DataOutput?for?its primitive values or |
????? 沒錯，Externlizable接口繼承了java的序列化接口，并增加了兩個方法:
?????void writeExternal(ObjectOutput out) throws IOException;
???? void readExternal(ObjectInput in) throws IOException, ClassNotFoundException;
???? 首先，我們在序列化對象的時候，由于這個類實現了Externalizable 接口，在writeExternal()方法里定義了哪些屬性可以序列化，
哪些不可以序列化，所以，對象在經過這里就把規定能被序列化的序列化保存文件，不能序列化的不處理，然后在反序列的時候自動調
用readExternal()方法，根據序列順序挨個讀取進行反序列，并自動封裝成對象返回，然后在測試類接收，就完成了反序列。
???? 所以說Exterinable的是Serializable的一個擴展。
???? 為了更好的理解相關內容，請看下面的例子:
???
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 | package?com.xiaohao.test; import?java.io.Externalizable; import?java.io.FileInputStream; import?java.io.FileNotFoundException; import?java.io.FileOutputStream; import?java.io.IOException; import?java.io.ObjectInput; import?java.io.ObjectInputStream; import?java.io.ObjectOutput; import?java.io.ObjectOutputStream; import?java.text.SimpleDateFormat; import?java.util.Date; /** ?* 測試實體類 ?* @author 小浩 ?* @創建日期 2015-3-12 ?*/ class?Person?implements?Externalizable{ ????????private?static?final?long?serialVersionUID = 1L;<br>??? String userName; ????String password; ????String age; ????? ??? ????public?Person(String userName, String password, String age) { ????????super(); ????????this.userName = userName; ????????this.password = password; ????????this.age = age; ????} ????? ????? ????public?Person() { ????????super(); ????} ????public?String getAge() { ????????return?age; ????} ????public?void?setAge(String age) { ????????this.age = age; ????} ????public?String getUserName() { ????????return?userName; ????} ????public?void?setUserName(String userName) { ????????this.userName = userName; ????} ????public?String getPassword() { ????????return?password; ????} ????public?void?setPassword(String password) { ????????this.password = password; ????} ????? ????/** ?????* 序列化操作的擴展類 ?????*/ ????@Override ????public?void?writeExternal(ObjectOutput out)?throws?IOException { ????????//增加一個新的對象 ????????Date date=new?Date(); ????????out.writeObject(userName); ????????out.writeObject(password); ????????out.writeObject(date); ????} ????? ????/** ?????* 反序列化的擴展類 ?????*/ ????@Override ????public?void?readExternal(ObjectInput in)?throws?IOException, ????????????ClassNotFoundException { ????????//注意這里的接受順序是有限制的哦，否則的話會出錯的 ????????// 例如上面先write的是A對象的話，那么下面先接受的也一定是A對象... ????????userName=(String) in.readObject(); ????????password=(String) in.readObject(); ????????SimpleDateFormat sdf=new?SimpleDateFormat("yyyy-MM-dd"); ????????Date date=(Date)in.readObject();??????? ????????System.out.println("反序列化后的日期為:"+sdf.format(date)); ????????? ????} ????@Override ????public?String toString() { ????????//注意這里的年齡是不會被序列化的，所以在反序列化的時候是讀取不到數據的 ????????return?"用戶名:"+userName+"密 碼:"+password+"年齡:"+age; ????} } /** ?* 序列化和反序列化的相關操作類 ?* @author 小浩 ?* @創建日期 2015-3-12 ?*/ class?Operate{ ????/** ?????* 序列化方法 ?????* @throws IOException ?????* @throws FileNotFoundException ?????*/ ????public?void?serializable(Person person)?throws?FileNotFoundException, IOException{ ????????ObjectOutputStream outputStream=new?ObjectOutputStream(new?FileOutputStream("a.txt")); ????????outputStream.writeObject(person);?????? ????} ????? ????/** ?????* 反序列化的方法 ?????* @throws IOException ?????* @throws FileNotFoundException ?????* @throws ClassNotFoundException ?????*/ ????public?Person deSerializable()?throws?FileNotFoundException, IOException, ClassNotFoundException{ ????????ObjectInputStream ois=new?ObjectInputStream(new?FileInputStream("a.txt")); ????????return?(Person) ois.readObject(); ????} ????? ????? } /** ?* 測試實體主類 ?* @author 小浩 ?* @創建日期 2015-3-12 ?*/ public?class?Test{ ????public?static?void?main(String[] args)?throws?FileNotFoundException, IOException, ClassNotFoundException { ???????Operate operate=new?Operate(); ???????Person person=new?Person("小浩","123456","20"); ???????System.out.println("為序列化之前的相關數據如下:\n"+person.toString()); ???????operate.serializable(person); ???????Person newPerson=operate.deSerializable(); ???????System.out.println("-------------------------------------------------------"); ???????System.out.println("序列化之后的相關數據如下:\n"+newPerson.toString()); ????} ????? ????? } |
????????
? 首先，我們在序列化UserInfo對象的時候，由于這個類實現了Externalizable 接口，在writeExternal()方法里定義了哪些屬性可
以序列化，哪些不可以序列化，所以，對象在經過這里就把規定能被序列化的序列化保存文件，不能序列化的不處理，然后在反序列
的時候自動調用readExternal()方法，根據序列順序挨個讀取進行反序列，并自動封裝成對象返回，然后在測試類接收，就完成了反
序列。
??
???? ***對于實現Java的序列化接口需要注意一下幾點:
?????????? 1.java中的序列化時transient變量(這個關鍵字的作用就是告知JAVA我不可以被序列化)和靜態變量不會被序列
????????????? 化(下面是一個測試的例子)
???????????
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 | import?java.io.*; class?Student1?implements?Serializable { ????private?static?final?long?serialVersionUID = 1L; ????private?String name; ????private?transient?String password; ????private?static?int?count =?0; ????public?Student1(String name, String password) { ????????System.out.println("調用Student的帶參的構造方法"); ????????this.name = name; ????????this.password = password; ????????count++; ????} ????public?String toString() { ????????return?"人數: "?+ count +?" 姓名: "?+ name +?" 密碼: "?+ password; ????} } public?class?ObjectSerTest1 { ????public?static?void?main(String args[]) { ????????try?{ ????????????FileOutputStream fos =?new?FileOutputStream("test.obj"); ????????????ObjectOutputStream oos =?new?ObjectOutputStream(fos); ????????????Student1 s1 =?new?Student1("張三",?"12345"); ????????????Student1 s2 =?new?Student1("王五",?"54321"); ????????????oos.writeObject(s1); ????????????oos.writeObject(s2); ????????????oos.close(); ????????????FileInputStream fis =?new?FileInputStream("test.obj"); ????????????ObjectInputStream ois =?new?ObjectInputStream(fis); ????????????Student1 s3 = (Student1) ois.readObject(); ????????????Student1 s4 = (Student1) ois.readObject(); ????????????System.out.println(s3); ????????????System.out.println(s4); ????????????ois.close(); ????????}?catch?(IOException e) { ????????????e.printStackTrace(); ????????}?catch?(ClassNotFoundException e1) { ????????????e1.printStackTrace(); ????????} ????} } |
?
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 | import?java.io.FileInputStream; import?java.io.FileOutputStream; import?java.io.IOException; import?java.io.ObjectInputStream; import?java.io.ObjectOutputStream; public?class?Test{ ????? ????public?static?void?main(String args[]){ ????????? ????????try?{ ????????????FileInputStream fis =?new?FileInputStream("test.obj"); ????????????ObjectInputStream ois =?new?ObjectInputStream(fis); ????????????Student1 s3 = (Student1) ois.readObject(); ????????????Student1 s4 = (Student1) ois.readObject(); ????????????System.out.println(s3); ????????????System.out.println(s4); ????????????ois.close(); ????????}?catch?(IOException e) { ????????????e.printStackTrace(); ????????}?catch?(ClassNotFoundException e1) { ????????????e1.printStackTrace(); ????????} ????} ????? ????? ????? } |
??????????????? 2.也是最應該注意的，如果你先序列化對象A后序列化B，那么在反序列化的時候一定記著JAVA規定先讀到的對象
?????????????????? 是先被序列化的對象，不要先接收對象B，那樣會報錯.尤其在使用上面的Externalizable的時候一定要注意讀取
?????????????????? 的先后順序。
????????????????3.實現序列化接口的對象并不強制聲明唯一的serialVersionUID，是否聲明serialVersionUID對于對象序列化的向
????????????????? 上向下的兼容性有很大的影響。我們來做個測試：
思路一
把User中的serialVersionUID去掉，序列化保存。反序列化的時候，增加或減少個字段，看是否成功。
Java代碼| 1 2 3 4 5 6 7 8 9 10 11 | public?class?User?implements?Serializable{ private?String name; ?private?int?age; private?long?phone; private?List<UserVo> friends; ...<br>} |
保存到文件中：
| 1 2 3 4 5 6 7 8 9 10 11 | Java代碼 ByteArrayOutputStream bos =?new?ByteArrayOutputStream(); ObjectOutputStream os =?new?ObjectOutputStream(bos); os.writeObject(src); os.flush(); os.close(); byte[] b = bos.toByteArray(); bos.close(); FileOutputStream fos =?new?FileOutputStream(dataFile); fos.write(b); fos.close(); |
增加或者減少字段后，從文件中讀出來，反序列化：
| 1 2 3 4 5 6 7 8 9 10 11 | Java代碼 ByteArrayOutputStream bos =?new?ByteArrayOutputStream(); ObjectOutputStream os =?new?ObjectOutputStream(bos); os.writeObject(src); os.flush(); os.close(); byte[] b = bos.toByteArray(); bos.close(); FileOutputStream fos =?new?FileOutputStream(dataFile); fos.write(b); fos.close(); |
結果：拋出異常信息
Java代碼
| 1 2 3 4 5 6 7 8 | Exception in thread?"main"?java.io.InvalidClassException: serialize.obj.UserVo; local?class?incompatible: stream classdesc serialVersionUID =?3305402508581390189, local?class?serialVersionUID =?7174371419787432394?at java.io.ObjectStreamClass.initNonProxy(ObjectStreamClass.java:560) at java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1582) at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1495) at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1731) at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1328) at java.io.ObjectInputStream.readObject(ObjectInputStream.java:350) at serialize.obj.ObjectSerialize.read(ObjectSerialize.java:74) at serialize.obj.ObjectSerialize.main(ObjectSerialize.java:27) |
思路二
eclipse指定生成一個serialVersionUID，序列化保存，修改字段后反序列化
略去代碼
結果：反序列化成功
結論
如果沒有明確指定serialVersionUID，序列化的時候會根據字段和特定的算法生成一個serialVersionUID，當屬性有變化時這個id發生了變化，所以反序列化的時候
就會失敗。拋出“本地classd的唯一id和流中class的唯一id不匹配”。
jdk文檔關于serialVersionUID的描述：
寫道
如果可序列化類未顯式聲明 serialVersionUID，則序列化運行時將基于該類的各個方面計算該類的默認 serialVersionUID 值，如“Java(TM) 對象序列化規范”中所述。不過，強烈建議 所有可序列化類都顯式聲明 serialVersionUID 值，原因是計算默認的 serialVersionUID 對類的詳細信息具有較高的敏感性，根據編譯器實現的不同可能千差萬別，這樣在反序列化過程中可能會導致意外的 InvalidClassException。因此，為保證 serialVersionUID 值跨不同 java 編譯器實現的一致性，序列化類必須聲明一個明確的 serialVersionUID 值。還強烈建議使用 private 修飾符顯示聲明 serialVersionUID（如果可能），原因是這種聲明僅應用于直接聲明類 -- serialVersionUID 字段作為繼承成員沒有用處。數組類不能聲明一個明確的 serialVersionUID，因此它們總是具有默認的計算值，但是數組類沒有匹配 serialVersionUID 值的要求。?
??三.實現序列化的其它方式??(這是一個擴展內容，感興趣的可以擴展一下)????
???????1)是把對象包裝成JSON字符串傳輸。
?????????這里采用JSON格式同時使用采用Google的gson-2.2.2.jar 進行轉義
????? 2)采用谷歌的ProtoBuf
??????? ?隨著Google工具protoBuf的開源，protobuf也是個不錯的選擇。對JSON,Object Serialize(Java的序列化和反序列化),
?????? ? ProtoBuf 做個對比。
??????? ?定義一個通用的待傳輸的對象UserVo：
?
?
| 1 2 3 4 5 6 7 8 9 | public?class?User private?static?final?long?serialVersionUID = -5726374138698742258L; {?private?String name; ??private?int?age; ??private?long?phone; ??private?List<user> friends; ?...set和get方法 ?} </user> |
??初始化User的實例src：
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 | Java代碼 User user1 =?new?UserVo(); user1 .setName("user1 "); ?user1 .setAge(30); ?user1 .setPhone(13789126278L); ?UserVo f1 =?new?UserVo(); ?f1.setName("tmac"); ?f1.setAge(32); ?f1.setPhone(123L); ?User user2 =?new?User(); ?user2 .setName("user2 "); ?user2 .setAge(29); ?user2 .setPhone(123L); <br> List<User> friends =?new?ArrayList<User>(); ?friends.add(user1 ); ?friends.add(user2 ); ?user1 .setFriends(friends); |
??1.首先使用JOSN來實現序列化。
| 1 2 | Java代碼 Gson gson =?new?Gson();<br>String json = gson.toJson(src); |
?? 得到的字符串：
| 1 2 3 | Js代碼 {"name":"user1 ","age":30,"phone":123,"friends":[{"name":"user1 ","age":32,"phone":123},{"name":"user2 ","age":29,"phone":123}]} |
?
字節數為153
Json的優點：明文結構一目了然，可以跨語言，屬性的增加減少對解析端影響較小。缺點：字節數過多，依賴于不同的第三方類庫。
?
Object Serialize（Java的序列化和反序列化）
UserVo實現Serializalbe接口，提供唯一的版本號：
序列化方法：
Java代碼 ByteArrayOutputStream bos = new ByteArrayOutputStream(); ObjectOutputStream os = new ObjectOutputStream(bos); os.writeObject(src); os.flush(); os.close(); byte[] b = bos.toByteArray(); bos.close();字節數是238
?
反序列化：
Java代碼 ObjectInputStream ois = new ObjectInputStream(fis); vo = (UserVo) ois.readObject(); ois.close(); fis.close();Object Serializalbe 優點：java原生支持，不需要提供第三方的類庫，使用比較簡單。
缺點：無法跨語言，字節數占用比較大，某些情況下對于對象屬性的變化比較敏感。
對象在進行序列化和反序列化的時候，必須實現Serializable接口，但并不強制聲明唯一的serialVersionUID
是否聲明serialVersionUID對于對象序列化的向上向下的兼容性有很大的影響。
?
Google ProtoBuf
protocol buffers 是google內部得一種傳輸協議，目前項目已經開源（http://code.google.com/p/protobuf/）。
它定義了一種緊湊得可擴展得二進制協議格式，適合網絡傳輸，并且針對多個語言有不同得版本可供選擇。
以protobuf-2.5.0rc1為例，準備工作：
下載源碼，解壓，編譯，安裝
Shell代碼 tar zxvf protobuf-2.5.0rc1.tar.gz ./configure ./make ./make install測試：
Shell代碼 MacBook-Air:~ ming$ protoc --version libprotoc 2.5.0安裝成功！
進入源碼得java目錄，用mvn工具編譯生成所需得jar包，protobuf-java-2.5.0rc1.jar
?
1、編寫.proto文件，命名UserVo.proto
| 1 2 3 4 5 6 7 8 9 10 11 12 | Text代碼 package?serialize; option java_package =?"serialize"; option java_outer_classname="UserVoProtos"; message User{ optional string name =?1; optional int32 age =?2; optional int64 phone =?3; repeated serialize.UserVo friends =?4; } |
2、在命令行利用protoc 工具生成builder類
Shell代碼 protoc -IPATH=.proto文件所在得目錄 --java_out=java文件的輸出路徑? .proto的名稱得到UserProtos類
?
3、編寫序列化代碼
| 1 2 3 4 5 6 7 8 9 10 11 12 | Java代碼 UserVoProtos.User.Builder builder = UserVoProtos.User.newBuilder(); builder.setName("Yaoming"); builder.setAge(30); builder.setPhone(13789878978L); UserVoProtos.UserVo.Builder builder1 = UserVoProtos.UserVo.newBuilder(); builder1.setName("tmac"); builder1.setAge(32); builder1.setPhone(138999898989L); UserVoProtos.UserVo.Builder builder2 = UserVoProtos.UserVo.newBuilder(); builder2.setName("liuwei"); builder2.setAge(29); builder2.setPhone(138999899989L); builder.addFriends(builder1); builder.addFriends(builder2); UserVoProtos.UserVo vo = builder.build();??byte[] v = vo.toByteArray(); |
字節數53
?反序列化
| 1 2 3 | Java代碼 UserVoProtos.UserVo uvo = UserVoProtos.UserVo.parseFrom(dstb); System.out.println(uvo.getFriends(0).getName()); |
結果：tmac，反序列化成功
google protobuf 優點：字節數很小，適合網絡傳輸節省io，跨語言 。
缺點：需要依賴于工具生成代碼。
?
工作機制
proto文件是對數據的一個描述，包括字段名稱，類型，字節中的位置。protoc工具讀取proto文件生成對應builder代碼的類庫。protoc xxxxx? --java_out=xxxxxx 生成java類庫。builder類根據自己的算法把數據序列化成字節流，或者把字節流根據反射的原理反序列化成對象。官方的示例：https://developers.google.com/protocol-buffers/docs/javatutorial。
proto文件中的字段類型和java中的對應關系：
詳見：https://developers.google.com/protocol-buffers/docs/proto
| .proto Type | java Type | c++ Type |
| double | double | double |
| float | float | float |
| int32 | int | int32 |
| int64 | long | int64 |
| uint32 | int | uint32 |
| unint64 | long | uint64 |
| sint32 | int | int32 |
| sint64 | long | int64 |
| fixed32 | int | uint32 |
| fixed64 | long | uint64 |
| sfixed32 | int | int32 |
| sfixed64 | long | int64 |
| bool | boolean | bool |
| string | String | string |
| bytes | byte | string |
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 | Java代碼 UserProtos.User vo = builder.build(); byte[] v = vo.toByteArray(); FileOutputStream fos =?new?FileOutputStream(dataFile); fos.write(vo.toByteArray()); fos.close(); ?? 為User增加字段，對應的.proto文件： Text代碼 package?serialize; option java_package =?"serialize"; option java_outer_classname="UserVoProtos"; message User{ optional string name =?1; optional int32 age =?2; optional int64 phone =?3; repeated serialize.UserVo friends =?4; optional string address =?5; } ??? 從文件中反序列化回來： Java代碼 FileInputStream fis =?new?FileInputStream(dataFile); byte[] dstb =?new?byte[fis.available()]; for(int?i=0;i<dstb.length;i++){ dstb[i] = (byte)fis.read(); } fis.close(); UserProtos.User uvo = UserProtos.User.parseFrom(dstb); System.out.println(uvo.getFriends(0).getName()); （完） https://www.huxiu.com/member/1484873/m.html https://www.huxiu.com/member/1484873/b.html https://www.huxiu.com/member/1484873/a.html 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總結
以上是生活随笔為你收集整理的Java序列化的几种方式以及序列化的作用（文章有所改变）的全部內容，希望文章能夠幫你解決所遇到的問題。
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