centos7安装JDK8

# 安装wget plugin
yum install -y wget
# 进入/usr/local
cd /usr/local
# 获取jdk 安装包
wget https://repo.huaweicloud.com/java/jdk/8u151-b12/jdk-8u151-linux-x64.tar.gz
# 解压
tar -xvf jdk-8u151-linux-x64.tar.gz
# 改名
mv jdk1.8.0_151 jdk
# 新增环境变量
vim /etc/profile


export JAVA_HOME&＃61;/usr/local/jdk
export CLASSPATH&＃61;.:$JAVA_HOME/jre/lib/rt.jar:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar
export PATH&＃61;$JAVA_HOME/bin:$PATH


# 刷新配置
source /etc/profile
# 检查是否安装成功
java -version