我常用的网站

http://www.jar114.com   jar包下载

http://js.alixixi.com/ 

http://www.jscode.cn/

http://sishuok.com/

http://www.csswang.com

http://www.oschina.net/code/explore/jdk16/java/

http://www.eoeandroid.com/forum.php?mod=viewthread&tid=1987&extra=page%3D1%26filter%3Dtypeid%26typeid%3D25%26typeid%3D25

http://www.mkyong.com/tutorials/android-tutorial/

http://www.eoeandroid.com/

http://www.apkbus.com/

http://kenwublog.com/

http://blog.csdn.net/leecho571?viewmode=contents    Extjs4

http://www.uspcat.com/portal.php

http://www.w3school.com.cn/jquery