CentOS7 install java

1. Create a new folder java

mkdir /usr/local/java

2. Upload the compressed file

3. Unzip the file

tar -zxvf jdk-8u201-linux-x64.tar.gz

4. Edit Profile

vi / etc / profile

export JAVA_HOME=/usr/local/java/jdk1.8.0_201
export JRE_HOME=/usr/local/java/jdk1.8.0_201/jre
export CLASSPATH=.:$JAVA_HOME/lib:$JRE_HOME/lib:$CLASSPATH
export PATH=$JAVA_HOME/bin:$JRE_HOME/bin:$PATH

5. the environment variables to take effect

source /etc/profile

6. Review the java version

java -version