Struts 最初是 Jakarta项目中的一个子项目，并在2004年3月成为ASF的顶级项目。它通过采用 Java Servlet/JSP 技术，实现了基于Java EE Web应用的MVC设计模式的应用框架，是MVC经典设计模式中的一个经典产品
TinkerPop是一种开源图计算框架，既可用于联机事务处理（OLTP），又可用于联机分析处理系统（OLAP）。它可以用于处理单一机器以及分布式环境的庞大数据
a library of lightweight, self-contained mathematics and statistics components addressing the most common practical problems not immediately available in the Java programming language or commons-lang.
commons-beanutils 是apache commons子项目中的一个软件包，其主要目的是利用反射机制对JavaBean的属性进行处理
Collection of network utilities and protocol implementations. Supported protocols include: Echo, Finger, FTP, NNTP, NTP, POP3(S), SMTP(S), Telnet, Whois
contains types that extend and augment the Java Collections Framework.
a simple yet flexible means of adding support for multipart file upload functionality to servlets and web applications
Apache Beam is a unified model for defining both batch and streaming data-parallel processing pipelines, as well as a set of language-specific SDKs for constructing pipelines and Runners for executing them on distributed processing backends, including Apache Flink, Apache Spark, Google Cloud Dataflow and Hazelcast Jet.
