什么是无状态课程? [英] what is a stateless class?

问题描述

我想知道无状态类(如果有)的缺点是什么?有没有人看到一个现实世界的应用程序，其中某些用例被强制创建了无状态类(请不要打招呼).我认为无状态类意味着没有任何字段的类.

I would like to know what are drawbacks of a stateless class (if any)? Has anyone seen a real-world application where some use case mandated the creation of a stateless class (No hello world please )? I think a stateless class means a class without any fields.

推荐答案

我从未听过无状态类"，但是我认为您的意思是不可变的对象(非常有用的概念！).或者也许是一个没有任何字段的类，所以通常看起来像是一堆纯函数.

I never heard "stateless class", but I think you mean immutable objects (very useful notion!). Or maybe a class which doesn't have any fields, so usually it looks like just bunch of pure functions.

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