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java环境变量

安装jdk
jdk8

export JAVA_HOME=/usr/java/jdk1.8.0_391
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}

jdk11

wget https://www.oracle.com/webapps/redirect/signon?nexturl=https://download.oracle.com/otn/java/jdk/11.0.15.1%2B2/d76aabb62f1c47aa8588b9ae5a8a5b46/jdk-11.0.15.1_linux-aarch64_bin.rpm
rpm -ivh jdk-11.0.11_linux-x64_bin.rpm


vim /etc/profile
# JAVA
export JAVA_HOME=/usr/java/jdk-11.0.11
export JRE_HOME=${JAVA_HOME}/jre
export CLASSPATH=.:${JAVA_HOME}/lib:${JRE_HOME}/lib
export PATH=${JAVA_HOME}/bin:$PATH

jdk17

wget https://download.oracle.com/java/17/archive/jdk-17.0.4.1_linux-x64_bin.tar.gz

tar -zxvf jdk-17.0.4.1_linux-x64_bin.tar.gz -C /usr/java/
vim /etc/profile.d/my_env.sh

export JAVA_HOME=/usr/java/jdk-17.0.4.1
export CLASSPATH=.:${JAVA_HOME}/lib
export PATH=${JAVA_HOME}/bin:$PATH
posted @ 2022-06-13 15:21  萝卜青菜~  阅读(23)  评论(0)  编辑  收藏  举报