Java RPi CentOS

Need the JavaJDK to use Jenkins

How I downloaded the JavaJDK

https://www.digitalocean.com/community/tutorials/how-to-install-java-on-centos-and-fedora

sudo yum install java-1.8.0-openjdk-devel
java -version
javac -version
vim HelloWorld.java
javac HelloWorld.java  //Creates a HelloWorld.class file
java Helloworld        //Runs program