설치 가능한 JDK 버전 확인 # yum list java*jdk-devel Loaded plugins: fastestmirror, langpacks Repodata is over 2 weeks old. Install yum-cron? Or run: yum makecache fast Determining fastest mirrors * base: data.aonenetworks.kr * epel: fedora.cs.nctu.edu.tw * extras: ftp.kaist.ac.kr * updates: ftp.kaist.ac.kr Installed Packages java-1.8.0-openjdk-devel.x86_64 1:1.8.0.131-3.b12.el7_3 @updates Available Packa..