1):官方下載對(duì)應(yīng)的.gz包,這里以jdk-8u11-linux-x64.tar.gz為例
鏈接:https://pan.baidu.com/s/123KnX0QJZhaShqpd7kpzNg
提取碼:n42r
2):創(chuàng)建一個(gè)目錄用于存放解壓后的文件赫模,并解壓縮到該目錄下
sudo mkdir /usr/lib/jvm
sudo tar -zxvf jdk-8u11-linux-x64.tar.gz -C /usr/lib/jvm
3):修改環(huán)境變量
sudo vim ~/.bashrc
1
4):文件末尾追加如下內(nèi)容
#set oracle jdk environment
export JAVA_HOME=/usr/lib/jvm/jdk1.8.0_11? ## 這里要注意目錄要換成自己解壓的jdk 目錄
export JRE_HOME=${JAVA_HOME}/jre?
export CLASSPATH=.:${JAVA_HOME}/lib:${JRE_HOME}/lib?
export PATH=${JAVA_HOME}/bin:$PATH?
5):使環(huán)境變量生效
source ~/.bashrc
6):設(shè)置默認(rèn)jdk
sudo update-alternatives --install /usr/bin/java java /usr/lib/jvm/jdk1.8.0_11/bin/java 300?
sudo update-alternatives --install /usr/bin/javac javac /usr/lib/jvm/jdk1.8.0_11/bin/javac 300?
sudo update-alternatives --install /usr/bin/jar jar /usr/lib/jvm/jdk1.8.0_11/bin/jar 300?
sudo update-alternatives --install /usr/bin/javah javah /usr/lib/jvm/jdk1.8.0_11/bin/javah 300?
sudo update-alternatives --install /usr/bin/javap javap /usr/lib/jvm/jdk1.8.0_11/bin/javap 300
7):執(zhí)行
sudo update-alternatives --config java
8):測(cè)試是否安裝成功
java -version
javac -version