常用javacore（翻）
The Most Widely Used Java Libraries
?
A typical Java project relies on third-party libraries. This article summarizes the most popular and widely used Java libraries for a variety of different applications. A simple example is also provided for some of them, if it can be found on ProgramCreek.
Java SDK is surely the #1 widely used library. So the focus of this list is the popular third-party 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.
?
?
翻译待续。。。。