Use yum to install jdk under Linux
OpenJDK is generally installed through yum
1. Find java related list
yum -y list java*
2. Install jdk (user must have root privileges )
yum -y install java-1.8.0-openjdk*
3. Verify that the installation was successful
java -version
4. The default installation path /usr/lib/jvm
5. View the installed jdk
rpm -qa|grep jdk
6. Uninstall openjdk
yum -y remove java-1.8.0-openjdk*