Java serialVersionUID-阿里云

JAVA中serialVersionUID可以使用hashCode()赋值

JAVA中，有时要实现Serializable接口。实现这个接口呢，就要有一个serialVersionUID字段。否则就会告警说需要这个东西。而这个值用多少呢？很多程序员就是随便写了。其实没这个必要。这里提供一个好方法供大家参考：public class MeetingData imp...

为什么java中序列化的serialVersionUID总是无意义的？

一、serialVersionUID的作用通过java进行网络之间的数据传输是不能直接把对象进行传的，需要在发送端把数据切分，在接收端对切分的数据进行重装。这种切分和重装的方式就叫做序列化。下面我们举一个例子：（1）不指定serialVersionUID首先我们定义一个User类，继承Seriali...

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JAVA 序列化、反序列化以及serialVersionUID

前言最近接手的老项目也不少，我在看老项目的代码的时候，顺便看到同事敲代码，无聊问到同事，这个类为啥要实现序列化？你看有些类没序列化不是嘛，但是有些又序列化了，为啥？为啥你现在新建的也序列化？你知道序列化有啥用么？一串连问后，得到了短暂的宁静。...

JAVA中serialVersionUID可以使用hashCode()赋值

JAVA中，有时要实现Serializable接口。实现这个接口呢，就要有一个serialVersionUID字段。否则就会告警说需要这个东西。而这个值用多少呢？很多程序员就是随便写了。其实没这个必要。这里提供一个好方法供大家参考：public class MeetingData implement...

Java可以随时修改 serialVersionUID 字段吗？

【百问百答】Java开发手册灵魂15问之为什么禁止开发人员修改serialVersionUID

1. 简述Java语言中，如何自定义序列化策略 2. 简述在java语言中，什么是serialVersionUID 3. 简述serialVersionUID改变会发生什么 4. 简述为什么要明确定义一个serialVersionUID 5. 为什么禁止开发人员修改serialVersionUID

简述在java语言中，什么是serialVersionUID

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更新时间 2023-01-04 23:13:48

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