在ubuntu上安装 sun jdk

for 10.10:

sudo add-apt-repository"deb http://archive.canonical.com/ maverick partner"

for 11.04

sudo add-apt-repository"deb http://archive.canonical.com/ natty partner"

Continue with:

sudo apt-get update
sudo apt-get install sun-java6-jre sun-java6-plugin

Use as default:

sudo update-alternatives --config java

Installing JDK:

sudo apt-get install sun-java6-jdk

Source code (to be used in development):

sudo apt-get install sun-java6-source

Source of these instructions: