ubuntu 安装ORACLE JDK失败后导致的系统错误及UPDATE错误的解决办法

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 apt-get install oracle-java7-installer