Install sun-java5-jdk to Ubuntu9.10

ReMark from http://www.zooyoo.org/?p=10442
修改source，將9.10的源改成9.04的源。
deb http://run.hit.edu.cn/ubuntu/ jaunty main restricted universe multiverse
deb-src http://run.hit.edu.cn/ubuntu/ jaunty main restricted universe multiverse
deb http://run.hit.edu.cn/ubuntu/ jaunty-updates main restricted universe multiverse
deb-src http://run.hit.edu.cn/ubuntu/ jaunty-updates main restricted universe multiverse
deb http://run.hit.edu.cn/ubuntu/ jaunty-backports main restricted universe multiverse
deb-src http://run.hit.edu.cn/ubuntu/ jaunty-backports main restricted universe multiverse
deb http://run.hit.edu.cn/ubuntu/ jaunty-security main restricted universe multiverse
deb-src http://run.hit.edu.cn/ubuntu/ jaunty-security main restricted universe multiverse
update之後，用sudo apt-get install sun-java5-jdk 即可像以往一樣安裝java 1.5
安裝後的基本設置：
sudo update-alternatives --config java
sudo update-java-alternatives -s java-1.5.0-sun
這時候再用java -version就能看到java 1.5已經正常工作了
最後把源換回9.10的