L003-CentOS下安装JDK11.0.8
1.实验环境
- CentOS 7.8 Minimal
- jdk11.0.8
如果有Openjdk，可以先卸载Openjdk
2.下载jdk
- Download
- 用sftp工具上传jdk到服务器
3 安装jdk
3.1创建相应目录并解压jdk
mkdir -p /usr/local/java
cd /usr/local/java
tar -xvf jdk-11.0.8_linux-x64_bin.tar.gz
3.2配置环境变量
vim /etc/profile
export JAVA_HOME=/usr/local/java/jdk-11.0.8
export JRE_HOME=${JAVA_HOME}/jre
export CLASSPATH=.:${JAVA_HOME}/lib:${JRE_HOME}/lib:$CLASSPATH
export JAVA_PATH=${JAVA_HOME}/bin:${JRE_HOME}/bin
export PATH=$PATH:${JAVA_PATH}
#让环境变量生效
source /etc/profile
3.2验证是否成功
java -v
java version "11.0.8" 2020-07-14 LTS
Java(TM) SE Runtime Environment 18.9 (build 11.0.8+10-LTS)
Java HotSpot(TM) 64-Bit Server VM 18.9 (build 11.0.8+10-LTS, mixed mode)
