How to install Java 7 and Java 8 on CentOs 7 - 32bits or 64bits

1. Introduction

This post only gathers information about how to install Java ( version 7 or 8) on CentOs ( version 5, 6 or 7)

2. References

• https://www.digitalocean.com/community/tutorials/how-to-install-java-on-centos-and-fedora
• https://tecadmin.net/install-java-8-on-centos-rhel-and-fedora/
• https://tecadmin.net/steps-to-install-java-on-centos-5-6-or-rhel-5-6/