The Most Widely Used Java Libraries

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最新推荐文章于 2024-08-07 16:31:50 发布

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本文概述了Java开发中常见的核心库，包括Apache Commons Lang、Google Guava等用于字符串操作、集合、缓存等；HTML、XML解析库如Jsoup、STaX；Web框架如Spring、Struts2；图表、报告、图形库如JFreeChart、JFreeReport、JGraphT；窗口库如Swing、SWT；GUI框架如Eclipse RCP；自然语言处理库如OpenNLP、Stanford Parser；静默分析库如Eclipse JDT、WALA；JSON处理库如Google Gson、JSON-lib；数学库Apache Commons Math；日志库如Apache Log4j、Logback；Office兼容库如Apache POI、Docx4j等。

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The Most Widely Used Java Libraries

1. Core

Apache Commons Lang – Apache’s library that provides a host of helper utilities for the java.lang API, such as String manipulation, object creation, etc.
Google Guava – Google’s Core library for collections, caching, primitives support, etc. (example)

2. HTML, XML Parser

Jsoup – a convenient library to manipulate HTML. (example)
STaX – Process XML code. (example)

3. Web Frameworks

Spring – an open source application framework and inversion of control container for the Java platform. (example)
Struts 2 – most popular web framework from Apache. (example)
Google Web Toolkit – a development toolkit from Google for building and optimizing complex browser-based applications. (example)
Strips – a presentation framework for building web applications using the latest Java technologies.
Tapestry – component oriented framework for creating dynamic, robust, highly scalable web applications in Java.

Here is a comparison of those frameworks.

4. Chart, Report, Graph

JFreeChart – creates charts such as bar charts, line charts, pie charts, etc.
JFreeReport – creates PDF reports.
JGraphT – create graph that contains a set of nodes connected by edges.

5. Windowing Libraries

Swing – a GUI library from SDK. (example)
SWT – a GUI library from eclipse.
SWT vs. Swing

6. GUI Frameworks

Eclipse RCP. (example)

7. Natural Language Processing

OpenNLP – a library from Apache. (example)
Stanford Parser – a library from Stanford University. (example)

If you are an expert of NLP, here are more tools.

8. Static Analysis

Eclipse JDT – a library from IBM which can manipulate Java source code. (example)
WALA – a library that can process .jar file, i.e., bytecode. (example)

9. JSON

Google Gson – a Java library that can be used to convert Java Objects into their JSON representation. (example)
JSON-lib – a java library for transforming beans, maps, collections, java arrays and XML to JSON and back again to beans and DynaBeans.

10. Math

Apache Commons Math – provide functions for math and statistics.

11. Logging

Apache Log4j – most popular logging library. (example)
Logback – a successor to the popular log4j project.

12. Office-Complicant

Apache POI – APIs for manipulating various file formats based upon Microsoft’s OLE 2 Compound Document format using pure Java.
Docx4j – a Java library for creating and manipulating Microsoft Open XML (Word docx, Powerpoint pptx, and Excel xlsx) files.

* 1) The list above are based on my own survey combined with personal experience. It is possible that they are not precisely THE MOST popular, but at least well-known.
* 2) I will keep updating this list to make it more complete and accurate. Thanks for your comments.