linux6/7 下載、安裝、配置JDK

1. JDK 下載

wget https://repo.huaweicloud.com/java/jdk/8u202-b08/jdk-8u202-linux-x64.tar.gz

2. 解壓

tar -zxvf jdk-8u202-linux-x64.tar.gz

3. 配置環境變量

vim /etc/profile
#java environment
export JAVA_HOME=/app/jdk1.8.0_202
export CLASSPATH=.:${JAVA_HOME}/jre/lib/rt.jar:${JAVA_HOME}/lib/dt.jar:${JAVA_HOME}/lib/tools.jar
export PATH=$PATH:${JAVA_HOME}/bin

4. 刷新配置文件

source /etc/profile

5. 驗證

java -version