CentOS OpenJDK 설치

yum list 'java*jdk-devel'
yum install java-1.8.0-openjdk-devel.x86_64

rpm -qa 'java*jdk-devel'
javac -version

java-*-openjdk = JRE, *-devel = JDK (devel이 JRE 의존).