buntu 10.04 LTS 安装Java 6方法

Ubuntu 10.04 LTS 安装Java 6方法：

$ sudo add-apt-repository "deb http://archive.canonical.com/ lucid partner"
$ sudo apt-get update
$ sudo apt-get install sun-java6-jdk

注意事项：
Ubuntu 10.04 LTS 安装 sun-java6-jdk ，出现错误。
Reading package lists... Done
Building dependency tree  
Reading state information... Done
Package sun-java6-jdk is not available, but is referred to by another package.
This may mean that the package is missing, has been obsoleted, or
is only available from another source
E: Package sun-java6-jdk has no installation candidate
说是Ubuntu 10.04已经去掉 sun-java6-jdk 和 sun-java6-jre的软件包

解决方法：

1. sudo gedit

2. 打开 /etc/apt/sources.list

3. 添加一行

deb http://us.archive.ubuntu.com/ubuntu/ hardy multiverse

4. 保存关闭gedit

5. 运行 sudo apt-get update

6.再运行sudo apt-get install sun-java6-jdk