- 查看是否以安装jdk
rpm -qa|grep java rpm -qa|grep jdk rpm -qa|grep gcj
- 卸载jdk
rpm -e --nodeps java-1.8.0-openjdk-1.8.0.131-11.b12.el7.x86_64 rpm -e --nodeps java-1.7.0-openjdk-1.7.0.141-2.6.10.5.el7.x86_64 rpm -e --nodeps java-1.8.0-openjdk-headless-1.8.0.131-11.b12.el7.x86_64 rpm -e --nodeps java-1.7.0-openjdk-headless-1.8.0.131-11.b12.el7.x86_64
