Ubuntu的安装JAVA1.5 /1.6

JDK 1.5
1. $ sudo gedit /etc/apt/sources.list
2. (Add this line at the end of sources.lst file) deb http://us.archive.ubuntu.com/ubuntu/  jaunty-updates main multiverse
3. Save and close the file
4. $ sudo aptitude update
5. $ sudo aptitude install sun-java5-jdk
6. $ sudo update-java-alternatives -sjava-1.5.0-sun

JDK 1.6

sudo add-apt-repository "deb http://archive.canonical.com/ lucid partner"
sudo add-apt-repository "deb-src http://archive.canonical.com/ubuntu lucid partner"
sudo apt-get update
sudo apt-get install sun-java6-jdk
sudo update-java-alternatives -s java-6-sun