Install sun-java6-jdk on Ubuntu 10.04 (Lucid)

I just had trouble to install the Sun Java6 JDK after updating to Ubuntu 10.04. The problem was that the system couldn’t find the package sun-java6-sdk and apt-get gave me the message:

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

What I did to solve this problem was to add a new source

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

After that a normal

sudo apt-get update sudo apt-get install sun-java6-jdk 

it worked for me.

sudo apt-get install sun-java6-jdk 命令来安装

装好后，输入命令
sudo update-alternatives --config java，然后从菜单里选择java-6-sun就可以了。

把$JAVA_HOME/bin添加到$PATH变量中。

export JAVA_HOME=/usr/lib/jvm/java-6-sun
export PATH=$PATH:$JAVA_HOME/bin
export CLASSPATH=$JAVA_HOME/lib

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