Scenario: How to install Oracle Java JDK rpm on CentOS/RHEL using command line.
Steps:
1) Go to Oracle Java download page here -> select Java rpm package then right click copy link address.
2) Putty to server then use curl command below
curl -v -j -k -L -H "Cookie: oraclelicense=accept-securebackup-cookie" #paste here the url# > /tmp/jdk-file.rpm