Ubuntu 配置JDK方法

1、下载JDKhttp://嘛术铹砾www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html

4、把下载好的jdk文件拷贝到/usr/local/java文件夹下

8、使添加的环境变量生效。source ~/.bashrc