安装jdk1.8
cd /usr/local
mkdir java
cd java
wget https://repo.huaweicloud.com/java/jdk/8u201-b09/jdk-8u201-linux-x64.tar.gz
tar -zxvf jdk-8u201-linux-x64.tar.gz
mv jdk1.8.0_201 /usr/local/jdk1.8/
vim /etc/profile
export JAVA_HOME=/usr/local/jdk1.8
export PATH=$JAVA_H...