ubuntu經過apt-get安裝JDK8

原文：http://blog.csdn.net/coding_my_future/article/details/49927749

安裝python-software-properties

$sudo apt-get install python-software-properties $sudo apt-get install software-properties-common

首先添加ppa

$ sudo add-apt-repository ppa:webupd8team/java

而後更新系統

$ sudo apt-get update

最後開始安裝

$ sudo apt-get install oracle-java8-installer $ java -version java version "1.8.0_05" Java(TM) SE Runtime Environment (build 1.8.0_05-b13) Java HotSpot(TM) Server VM (build 25.5-b02, mixed mode)

java版本切換

sudo update-java-alternatives -s java-8-oracle