linux安装jdk配置环境变量

tar -zxvf xxxx.tar.gz

export JAVA_HOME=/usr/local/jdk/jdk1.8.0_201
export PATH=$JAVA_HOME/bin:$PATH
export CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar

source /etc/profile

java -version