centos7配置java环境
java软件包下载地址:
链接:https://pan.baidu.com/s/1NHGf1q__0KCpbNktJDF7Ew
提取码:vhwi
echo "具体软件名称和路径根据实际情况而定"
cd /usr/local/src
tar -zxv -f jdk-8u221-linux-x64.tar.gz -C /usr/local/
vim /etc/profile.d/java.sh
#!/bin/bash
export JAVA_HOME=/usr/local/jdk1.8.0_221
export JRE_HOME=${JAVA_HOME}/jre
export CLASSPATH=.:${JAVA_HOME}/lib:${JRE_HOME}/lib
export PATH=${JAVA_HOME}/bin:$PATH
source /etc/profile.d/java.sh
echo ${JAVA_HOME}
java -version
另一种:
export JAVA_HOME=/usr/local/jdk1.8.0_171/
export CLASSPATH=.:$JAVA_HOME/jre/lib/rt.jar:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar
export PATH=$PATH:$JAVA_HOME/bin
高版本的设置:
vim /etc/profile.d/java.sh
#!/bin/bash
export JAVA_HOME=/usr/local/jdk-17.0.2
export PATH=$PATH:$JAVA_HOME/bin
export CLASSPATH=.:$JAVA_HOME/jre/lib:$JAVA_HOME/lib:$JAVA_HOME/lib/tools.jar