Linux-yum安装jdk11

# 查看与 java-11 有关的包
yum list | grep java-11

# 安装这三个即可
yum install java-11-openjdk.x86_64  java-11-openjdk-devel.x86_64  java-11-openjdk-headless.x86_64

java --version
javac --version

配置环境变量

vi /etc/profile

# java
JAVA_HOME=/usr/lib/jvm/java-11-openjdk-11.0.18.0.10-2.el9_1.x86_64
JRE_HOME=$JAVA_HOME
CLASS_PATH=.:$JRE_HOME/lib
PATH=$PATH:$JAVA_HOME/bin
export JAVA_HOME JRE_HOME CLASS_PATH PATH

source /etc/profile

echo $JAVA_HOME