2019-6-26 · The openjdk-7-jre package contains just the Java Runtime Environment. If you want to develop Java programs then install the openjdk-7-jdk package. Fedora, Oracle Linux, Red Hat Enterprise Linux, etc. On the command line, type: $ su -c "yum install java-1.7.0-openjdk" The java-1.7.0-openjdk package contains