CentOS7.8 安装jdk1.8.0_131

解压

[root@192 opt]# tar -zxvf jdk-linux-x64.tar.gz 

编辑/etc/profile文件，加入环境变量配置

export JAVA_HOME=/opt//jdk1.8.0_131
export PATH=$JAVA_HOME/bin:$PATH
export CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar

输入source /etc/profile，使之立即生效

测试

[root@192 opt]# java -version
java version "1.8.0_131"
Java(TM) SE Runtime Environment (build 1.8.0_131-b11)
Java HotSpot(TM) 64-Bit Server VM (build 25.131-b11, mixed mode)