2021年,Java开发者最值得学习的14项技能

{"type":"doc","content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"如果你想在这个竞争激烈的世界里,成为一名熟练开发Java项目的开发人员,你应该学习很多东西才行。你需要掌握许多技能,具体应该掌握的技能组合取决于你的职位。根据关于Java编程人员技能的最新调查和当前的市场需求,在这篇文章中我们将讨论,Java程序员在2021年应该优先学习的14项内容。"}]},{"type":"heading","attrs":{"align":null,"level":2},"content":[{"type":"text","text":"Java程序员的关键技能"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"你是一位Java程序员,还是正准备转向Java的开发人员呢?或者你本来就是Java程序员,现在想要在自己的本行上继续精进?这篇文章就是给你们准备的。在2021年,Java开发人员应该掌握一些高级工具了。"}]},{"type":"heading","attrs":{"align":null,"level":4},"content":[{"type":"text","text":"1. Git"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"Git是Java开发人员需要掌握的基础工具之一,每一位Java从业者都应该学会用它。Git使用一套版本控制系统来管理各种项目集合。这是一个完全免费的开源系统,专注于非线性工作流、完整性和速度。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"Linus Torvalds于2005年创建了Git,你可以直接使用Git项目,因为它是一个完整的版本控制系统。我们列出了Git的一些特性,方便你进一步了解。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","marks":[{"type":"strong"}],"text":"分布式扩展"},{"type":"text","text":":存储库可用来创建开发历史的副本。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","marks":[{"type":"strong"}],"text":"链接方法"},{"type":"text","text":":Git具有基于工具箱的设计,可提供定义明确的模型。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","marks":[{"type":"strong"}],"text":"基于工具箱的设计"},{"type":"text","text":":基于工具箱的设计可减少复合组件。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","marks":[{"type":"strong"}],"text":"对非线性扩展的强大支持"},{"type":"text","text":":缩放和分支是Git提供的两大要素。Git为非线性开发提供了强大的支持。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","marks":[{"type":"strong"}],"text":"井井有条地管理大型项目"},{"type":"text","text":":本地存储的存储库有助于透明地管理大型项目。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","marks":[{"type":"strong"}],"text":"与现有系统和实践的兼容性"},{"type":"text","text":":各类技术都有自己需要的各种发布工具,例如FTP和HTTP。Git也支持这些发布工具。"}]},{"type":"heading","attrs":{"align":null,"level":4},"content":[{"type":"text","text":"2. Selenium"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"Java中的Selenium Web驱动程序是Java开发人员在2021年应该了解的重要技术之一。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"Selenium提供了使用测试框架测试Web应用程序的一组工具;Selenium Web驱动提供了一个开源API。它包括了用于Web应用程序的一些自动化特性。Selenium的关键元素包括:"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"bulletedlist","content":[{"type":"listitem","attrs":{"listStyle":null},"content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"IDE(集成开发环境)"}]}]},{"type":"listitem","attrs":{"listStyle":null},"content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"远程控制\/Selenium1.0"}]}]},{"type":"listitem","attrs":{"listStyle":null},"content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"Web控制器\/Selenium2.0\/3.0"}]}]},{"type":"listitem","attrs":{"listStyle":null},"content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"Selenium网格"}]}]}]},{"type":"heading","attrs":{"align":null,"level":4},"content":[{"type":"text","text":"3. Jenkins"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"Jenkins是源自JAVA编程的技术,其开源自动化的持续交付和集成可以自动化软件开发流程,支持多种版本控制工具。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"Jenkins的插件可与另一种语言编写的代码集成。以下是你应该选择Jenkins的三大原因:它提供了比其他软件更好的质量;其自动化系统可以管理集成;Jenkins的开发速度要快得多。"}]},{"type":"heading","attrs":{"align":null,"level":4},"content":[{"type":"text","text":"4. 用户友好的Web服务"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"REST的全称是Representative Translation of State(表述性状态转移),它代表了一种架构风格,是Java开发人员必须掌握的知识。它提升了Web服务性能,还定义了可伸缩性和性能约束。这是2021年Java开发人员最理想的选项之一。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"它的可重建API用于Web服务开发中的通信需求。如果你了解HTML、CSS等,那么你将从RESTfulWeb服务中获益匪浅。以下是RESTful服务的特性:"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"基于客户端-服务器的架构提供了服务器的管理、部署和托管等特性,还可以帮助用户使用服务和资源。它本质上是一种共享资源的共享计算模型。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"无状态是REST服务的主要特性之一,服务器可以理解并提供构成HTTP REST请求的所有数据。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"可缓存的架构是Web API和应用程序的主要约束。缓存是提升可伸缩性的关键所在。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"REST API支持多层系统中的多台服务器,也就是说一台服务器繁忙时,可以将请求转发到另一台服务器。多层系统可确保客户端的快速响应。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"REST的统一接口提供用于存储记录的单个资源标识符(URI)。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"REST是一种描述任何Web服务的方法。它提供了灵活性、可伸缩性以及选择技术和平台的自由。"}]},{"type":"heading","attrs":{"align":null,"level":4},"content":[{"type":"text","text":"5. Spring security"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"它的主要功能是应用程序身份验证。其J2EE servlet规范和EJB规范是JAVA开发人员常用的两个关键安全特性。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"Spring Security支持多种身份验证模型,并与HTTP、Kerberos、JOSSO、CAS、LDAP等技术集成。Spring Security与Java深度关联,强烈建议Java开发人员学习它。"}]},{"type":"heading","attrs":{"align":null,"level":4},"content":[{"type":"text","text":"6. SpringBoot2"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"Spring Boot发布了一个名为Spring Boot 2的新版本。其中Spring框架负责控制,Spring Boot负责生成具有常规配置的独立解决方案。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"它主要依赖JAVA Baseline、BOM材质和cradle插件,其自动配置可提供安全性和响应性。它还提供了技术支持并改善了开发体验。它是JAVA程序员应了解的基本工具之一,其关键特性包括:"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"bulletedlist","content":[{"type":"listitem","attrs":{"listStyle":null},"content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"直接部署Undertow、Jetty或Tomcat"}]}]},{"type":"listitem","attrs":{"listStyle":null},"content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"减少构建配置,提供依赖项"}]}]},{"type":"listitem","attrs":{"listStyle":null},"content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"在Spring中创建独立的应用程序"}]}]},{"type":"listitem","attrs":{"listStyle":null},"content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"自动配置Spring附件"}]}]},{"type":"listitem","attrs":{"listStyle":null},"content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"提供完整的安全和技术支持"}]}]},{"type":"listitem","attrs":{"listStyle":null},"content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"XML配置不需要代码生成"}]}]}]},{"type":"heading","attrs":{"align":null,"level":4},"content":[{"type":"text","text":"7. Angular或响应式JS"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"ReactJS是一个专门用于UI开发的JavaScript库,而Angular是一个框架。JAVA开发人员应该很熟悉这两大关键技术了。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"Angular 2是开源Web应用程序框架,Angular的主要特性包括指令、范围、模板、注解、高级依赖项注入和子路由器;ReactJS用于开发移动应用程序。ReactJS的主要特性包括与服务器的免费开源侧通信功能等。"}]},{"type":"heading","attrs":{"align":null,"level":4},"content":[{"type":"text","text":"8. ApacheSpark和Kafka"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"Apache Spark和Kafka是2021年Java开发人员一定要掌握的两项技术;它们在2018年底已发布稳定版本。Apache Spark是用于集群计算的框架,已开源。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"Spark提供了用于执行基本I\/O、调度和分派等任务的应用程序接口,并提供了同样开源的流处理平台。特别要提的是Apache Kafka代码是Java和Scala编写的。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"Kafka可以使用一些基本API,例如Producer API、Consumer API、Connector API和Stream API。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"ApacheSpark的主要特性有:"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"bulletedlist","content":[{"type":"listitem","attrs":{"listStyle":null},"content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"实时流处理"}]}]},{"type":"listitem","attrs":{"listStyle":null},"content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"集成"}]}]},{"type":"listitem","attrs":{"listStyle":null},"content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"高级分析"}]}]},{"type":"listitem","attrs":{"listStyle":null},"content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"多语种支持"}]}]},{"type":"listitem","attrs":{"listStyle":null},"content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"高速度"}]}]}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"Apache Kafka的主要特性有:"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"bulletedlist","content":[{"type":"listitem","attrs":{"listStyle":null},"content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"无停机时间"}]}]},{"type":"listitem","attrs":{"listStyle":null},"content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"高性能"}]}]},{"type":"listitem","attrs":{"listStyle":null},"content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"高可靠性"}]}]},{"type":"listitem","attrs":{"listStyle":null},"content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"稳健性"}]}]},{"type":"listitem","attrs":{"listStyle":null},"content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"数据转换"}]}]},{"type":"listitem","attrs":{"listStyle":null},"content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"复制"}]}]},{"type":"listitem","attrs":{"listStyle":null},"content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"Docker"}]}]}]},{"type":"heading","attrs":{"align":null,"level":4},"content":[{"type":"text","text":"9. Docker"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"Docker是一种用Go语言编写的语言,是在Linux上开发的。它也是2021年Java开发人员必不可少的工具。它提供了一些用于容器化的工具,于2018年底发布了稳定版本。Docker被用来管理容器,也就是软件包的集合。"}]},{"type":"heading","attrs":{"align":null,"level":4},"content":[{"type":"text","text":"10. 单元测试"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"单元测试是Java开发人员应该学习的一项基本技能。对于从事Java项目中集成和单元测试方向的开发人员来说,市面上有多种工具和框架可用,例如用于自动集成测试的Cucumber和Robot框架。Mockito这项工具也可以帮助你来做单元测试。"}]},{"type":"heading","attrs":{"align":null,"level":4},"content":[{"type":"text","text":"11. Java10、11或12"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"Java是全球通用的语言之一,当然是Java开发人员必须掌握的一项基本技能。它被定义为REPL(Read Evaluation Print Loop,读取-求值-输出-循环)。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"在Java 9中,Java Shell得到了准确的描述。Java 9中执行和测试的Java构件包括声明、对象、接口和类等。你也可以选择更高版本,例如Java10、11或12。Java 12是Java编程世界的最新版本。"}]},{"type":"heading","attrs":{"align":null,"level":4},"content":[{"type":"text","text":"12. SpringFramework5.0"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"Java使用Spring框架作为其应用程序框架;Spring有一个称为Spring WebFlux的Web框架;Spring Framework 5提供了许多函数式API变体。Spring Framework 5是一个专用框架,提供了许多有用的API变体,是一个可靠的框架;它是Spring MVC的更新版本。"}]},{"type":"heading","attrs":{"align":null,"level":4},"content":[{"type":"text","text":"13. DevOps"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"DevOps也是Java开发人员在2021年应该具备的基本技能。DevOps是用于软件开发运维、缩短系统开发周期并提供更新和特性的有效方法。它在各种流程和IT开发之间建立了更紧密的关系,从而可以实现更好的协作和沟通。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"DevOps成功实现的关键特性包括:"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"bulletedlist","content":[{"type":"listitem","attrs":{"listStyle":null},"content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"小步快"}]}]},{"type":"listitem","attrs":{"listStyle":null},"content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"对现有系统的支持"}]}]},{"type":"listitem","attrs":{"listStyle":null},"content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"使用系统转换"}]}]},{"type":"listitem","attrs":{"listStyle":null},"content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"部署DevOps工具包"}]}]}]},{"type":"heading","attrs":{"align":null,"level":4},"content":[{"type":"text","text":"14. Groovy"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"Groovy也是Java开发人员在2021年应该学习的基本工具之一。Apache Groovy支持Java语法。Groovy的最佳特性之一是它同时支持静态和动态使用。它可以用作Java平台,并且可以用作脚本或编程语言。它受到了Java、Python、Perl和Ruby的影响。"}]},{"type":"heading","attrs":{"align":null,"level":2},"content":[{"type":"text","text":"小结"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"在这篇文章里,我们涵盖了Java开发人员应该掌握的最佳技能组合,以帮助他们在2021年走出更好的职业道路。当然,这并不意味着Java开发人员应该掌握上述全部技能。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","marks":[{"type":"strong"}],"text":"原文链接:"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"link","attrs":{"href":"https:\/\/www.datasciencecentral.com\/profiles\/blogs\/what-should-java-developers-learn-in-2021?fileGuid=JXg8t8wwdWrtqgwh","title":"","type":null},"content":[{"type":"text","text":"https:\/\/www.datasciencecentral.com\/profiles\/blogs\/what-should-java-developers-learn-in-2021"}]}]}]}
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