【转自CSDN】JAVA相关网站

http://java.sun.com/products/servlet/2.3/javadoc/index.html JSP的参考文档
http://java.sun.com/docs/books/tutorial/index.html 这个比较适合初学者，中高级者也可以看，因为它的概念描述非常清晰，又是免费的。
http://www-900.ibm.com/developerWorks/java/index.shtml IBM的中文Java文档
http://scjp.home.sohu.com/ 模拟试题
http://scjp.myrice.com
http://java.sun.com/products/jsp/faq.html
http://www.sun.com.cn/education
http://java.sun.com
http://java.sun.com/j2se/1.4/docs/api/index.html java官方网站的帮助
http://java.sun.com/j2se/1.4/docs/
http://java.sun.com/j2se/1.4/download.html#docs 可下载版本
http://java.sun.com/docs/windows_format.html winhelp格式的
http://java.sun.com/docs/codeconv/html/CodeConvTOC.doc.html 这个是CodingConvension,就是编码规则。写Java代码，这个是最基本的，必看的资料。

http://61.140.76.55:8080/index.html 木棉数字校园网
http://www.cnkapok.com/course/c_bea3.html weblogic认证
http://www.bea.com.cn/channel/education/index.html
http://www.servlets.com/docs/index.html

http://my-wjl.scu.edu.cn/~xxuzi/ 极品SCJP
http://my-wjl.scu.edu.cn/~xxuzi/
http://jdeveloper.myrice.com/
http://www.servlets.com/cos/index.html Java的上传Bean

http://www.sawin.com.cn/dragon/manual/manualindex.htm
http://61.144.28.245/hjc/web/doc/servlet-jsp/servlet-jsp4.html

www.sybex.com
www.mcp.com
www.bbook.net
www.bjbb.com
www.medias.com.cn
www.phei.com.cn

http://www.justjavajobs.com/jjavj.nsf/autoj/
http://www.psclearn.com/
edge-china.com
http://www.commission-junction.com/track/track.dll?AID=55509&PID=499008&URL=http%3A%2F%2Fwww%2Ejobsleuth%2Ecom%2Fregister%2Ecfm%3F%26ref%3D2261

http://suned.sun.com/USA/certification/java_news_faq.html
http://suned.sun.com/USA/certification/progobj.html
http://suned.sun.com/usa/cert_test.html

http://www.java-cn.net/
http://dboy520.51.net/cgi-bin/javajia/
http://www.javalobby.org/
http://www.uni-koeln.de/themen/java/
http://www.javacats.com/US/articles/MultiThreading.html
http://www.rstcorp.com/javasecurity/links.html
http://www.playjavagames.com
http://physicsweb.org/TIPTOP/VLAB/
http://www.eastjava.com/
http://rigauxf.waika9.com/
http://ww4.chatweb.net/javachat/
http://www.ajug.org/
http://www.mste.uiuc.edu/java/
http://www.acm.org/crossroads/xrds4-2/serial.html
http://abc-java.com/
http://www.chatattack.net/
http://jazz.external.hp.com/src/java/
http://www.jerenajava.com/
http://www.central-java.com
http://www.acm.org/sigs/sigada/education/pages/ada_java.html
http://www.hoskinson.net/java/
http://java.areco.cz
http://www.javamud.org/
http://www.java.online.tr.tc/
http://www.engapplets.vt.edu/

国外：
http://sourceforge.net/projects/jfreechart/
http://www.titan-books.net/
http://www.jiveforum.com
http://www.theserverside.com
http://www.jdance.com
http://foundries.sourceforge.net/java
http://edocs.beasys.com/index.html
http://www.hostj2ee.com
http://www.hostjsp.com
http://www.onjava.com
http://ejbinfo.com
http://www.mgm-edv.de/ejbsig/ejbsig.html
http://www.uml-zone.com
http://www.jguru.com
http://www.ibm.com/developerworks
http://www.ibm.com/deveoperworks/cn ibm新推出一个websphere园地，内容也是很不错的。
国内：
http://www.javaunion.com
http://www.javaunion.org
http://www.javaunion.net
http://www.huihoo.com
http://www.javadigest.net
http://drivejava.www2.cn4e.com
http://www.umlchina.com
http://www.drivejava.com

http://www.javaunion.org/ 中国Java阵线联盟
http://www.javaunion.com Java阵线联盟(Java认证学习资料)
http://www.chinajavaworld.com/ Java开发者(XML教程,模考试题1)
http://javalovers.myetang.com Java爱好者
http://www.cn-java.com 中文Java技术网站
http://www.cnjavaclub.com/ 中国Java俱乐部
http://www.52jsp.com/index.jsp 52JSP
http://www.cnjsp.com/ 中国JSP网站
http://www.jsp001.com/ JSP001
http://www.china-jsp.net/ JSP新升代/也有ASP
http://www.javaxforum.com javaxforum开发指南，SCJP认证资源
http://www.pconline.com.cn/pcedu/empolder/wz/jsp/index.html pconline的一些教程
http://adionline.myrice.com/ 阿迪在线
http://216.239.33.100/search?q=cache:UiFo_1XVUN8C:members.aol.com/mnsjava/referate/AWTReferat/syntax.html+MenuShortcur&hl=zh-CN //常用Java界面控件方法说明

http://www.thejmaker.com/ Java控件
http://www.jpowered.com/ Java控件

http://www.jspsmart.com/
http://www.javareport.com
http://www.javaworld.com
http://www.jiveforum.com/
http://www.theserverside.com/home/index.jsp

http://www.gcsuncenter.com/eforum.nsf/eForumFrameset?OpenFrameSet
http://www.esperanto.org.nz/jsp/jspfaq.html
http://www.zdnet.com/pcweek/stories/news/0,4153,410709,00.html
http://developer.netscape.com/viewsource/kuslich_jsp/kuslich_jsp.html
http://web2.java.sun.com/products/jsp/jsp-asp.html