Ubuntu系统安装JAVA JDK7

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PPA安装：  sudo add-apt-repository ppa:webupd8team/java sudo apt-get update sudo apt-get install oracle-java7-installer  千万不要用 否则会报错安装不了 　　sudo add-apt-repository ppa:eugenesan/java  如果已经用了可以：

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 sudo apt-get update sudo apt-get install oracle-java7-installer   参考： http://askubuntu.com/questions/126372/sha256sum-mismatch-jdk-7u3-linux-x64-tar-gz-error-when-trying-to-install-orac

卸载： sudo apt-get install ppa-purge sudo ppa-purge ppa:upubuntu-com/java sudo apt-get remove oracle-java7-installer sudo apt-get update

转载于:https://my.oschina.net/usenrong/blog/197870

文章来源: https://blog.csdn.net/weixin_33860722/article/details/92028920