JAVA 라이브러리

JAVA Plug-In 라이브러리 or API

- Documents

POI : the Java API for Microsoft Documents (MS Office : Excel, Word, PowerPoint, Outlook, Visio, etc..)

JXL : Java Excel API - A Java API to read, write, and modify Excel spreadsheets (Excel)

iText : a JAVA PDF library (PDF)

SAXParser : (XML)
DOMParser : (XML)

- Image

JFreeChart : Java graph library

- Statistics

JStats : An open-source statistics package for Java

http://math.nist.gov/javanumerics/