jdk部署

1.下载jdk jdk1.8.0_301

2.设置环境变量 /etc/profile

export JAVA_HOME=/usr/local/java/jdk1.8.0_301 export CLASSPATH=.:$JAVA_HOME/jre/lib/rt.jar:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar export PATH=$PATH:$JAVA_HOME/bin