ubuntu apt-get 安装jdk

更新源

sudo apt-get update

安装默认JRE/JDK

sudo apt-get install default-jre

sudo apt-get install default-jdk

安装oracle JDK

sudo apt-get install software-properties-common

sudo add-apt-repository ppa:webupd8team/java

sudo apt-get update

安装JDK8

sudo apt-get install oracle-java8-installer

java -version