解决方法 #安装依赖 sudo apt-get install python-software-properties sudo add-apt-repository ppa:webupd8team/java sudo apt-get update # 开始安装 sudo apt-get install oracle-java8-installer 参考链接:https://stackoverflow.com/questions/25289482/installing-jdk8-on-ubuntu-unable-to-locate-package-update-doesnt-fix