??????ubuntu 12.04 LTS ????Matlab????????????????jar????cp “xx.jar”???????????????????????·??????????а??java??????????oracle?????java?汾?????????????°???????????????????е?openjava??
????1.???openjava???????
????sudo apt-get purge openjdk*
????2.???oracle java 7????????????????????(???????д????)??
sudo add-apt-repository ppa:eugenesan/java //???ppa?
sudo apt-get update //????apt-cache
sudo apt-get install oracle-java7-installer //???java7??????
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?????????????????????
????dpkg?????? oracle-java7-installer (--configure)??????
????????? ???? post-installation ??? ?????????? 1
???????????д???????
????oracle-java7-installer
?????????????ppa???????????ppa?????????????
sudo rm /var/lib/dpkg/info/oracle-java7-installer*
sudo apt-get purge oracle-java7-installer*
sudo rm /etc/apt/sources.list.d/*java*
sudo apt-get update
sudo add-apt-repository ppa:webupd8team/java //????μ?ppa?
sudo apt-get update
sudo apt-get install oracle-java7-installer
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??????????????terminal????java -version ????????????汾???