JDK 下载连接
http://cds-esd.sun.com/ESD6/JSCDL/jdk/6u21-b06/jdk-6u21-windows-i586.exe?AuthParam=1279469443_ad2c3ee0b92b664ffc8abc2729414293&TicketId=B%2Fw4khmDT11LSRJGOlBdnADn&GroupName=CDS&FilePath=/ESD6/JSCDL/jdk/6u21-b06/jdk-6u21-windows-i586.exe&File=jdk-6u21-windows-i586.exe
http://forum.ubuntu.org.cn/
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