源码安装jdk

下载文件包jdk-8u161-linux-x64.tar.gz

百度网盘安装包:   https://pan.baidu.com/s/1uz9cOWEHplJkpQjQbM9o0w

解压:

[root@localhost ~]# tar -zxvf jdk-8u161-linux-x64.tar.gz -C /usr/local/
[root@localhost ~]# ls -d /usr/local/jdk1.8.0_161/　　　　#查看jdk的安装目录
/usr/local/jdk1.8.0_161/

配置环境变量并验证jdk是否安装成功:

[root@localhost ~]# vim /etc/profile
export JAVA_HOME=/usr/local/jdk1.8.0_161
export CLASSPATH=$CLASSPATH:$JAVA_HOME/lib/ 
export PATH=$PATH:$JAVA_HOME/bin
[root@localhost ~]# source /etc/profile
[root@localhost ~]# java -version
java version "1.8.0_161"
Java(TM) SE Runtime Environment (build 1.8.0_161-b12)
Java HotSpot(TM) 64-Bit Server VM (build 25.161-b12, mixed mode)