V2EX javabean

Javabean

定义 Definition

javabean(常写作 JavaBean/JavaBeans):在 Java 中一种可复用的软件组件/类,通常遵循特定约定(如提供无参构造器、用 getter/setter 访问属性、可序列化等),常用于图形界面组件、企业应用或框架中的数据对象(例如在某些语境下也指“JavaBean 规范”或“符合该规范的类”)。
(另有较少见用法:口语里可指“咖啡豆/爪哇豆”,但在技术语境中多指 Java 组件。)

发音 Pronunciation

/dv bin/

例句 Examples

A javabean can store a user’s name and email.
一个 javabean 可以保存用户的姓名和邮箱。

In the legacy system, each javabean was wired into the UI framework through reflection, which made debugging and refactoring much harder.
在这个遗留系统里,每个 javabean 都通过反射与界面框架绑定,这让调试和重构变得更困难。

词源 Etymology

Java 原是编程语言名称(也与“爪哇/咖啡”文化意象有关),而 bean 在英语里有“豆子”之意;Java 生态里常用“coffee/bean”作隐喻。JavaBean(s) 作为术语在 1990 年代随 Sun 的组件化规范普及,用来指遵循约定、便于复用与工具支持的 Java 组件。

相关词 Related Words

文学与著作 Notable Works

  • Head First Java(Kathy Sierra, Bert Bates)
  • Effective Java(Joshua Bloch)
  • Java: The Complete Reference(Herbert Schildt)
  • Spring in Action(Craig Walls)
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