To download
1 Create a folder used to store compressed file jdk
mkdir /home/test/tar
2 jdk downloaded compressed file upload to the corresponding directory linux
3 Create extract the directory jdk
mkdir /usr/local/jdk
4-extracting file
tar -zxvf /home/test/tar/jdk-8u162-linux-x64.tar.gz -C /usr/local/jdk
5 switches root user
6 Modify / etc / profile
vi /etc/profile
Add to
export JAVA_HOME=/usr/local/jdk/jdk1.8.0_162
export CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar
export PATH=$JAVA_HOME/bin:$PATH
7 reload / etc / profile
source profile
Check the jdk version 8
java -version
