CentOS查看卸载openjdk

1、查看openjdk版本

java -version
java version "1.7.0_51"
OpenJDK Runtime Environment (rhel-2.4.5.5.el7-x86_ u51-b31)
OpenJDK -Bit Server VM (build 24.51-b03, mixed mode)

2、查看 rpm -qa | grep java

java-1.7.0-openjdk-headless-1.7.0.51-2.4.5.5.el7.x86_
java-1.7.0-openjdk-1.7.0.51-2.4.5.5.el7.x86_

3、使用yum命令卸载openjdk

yum -y remove java-1.7.0-openjdk-headless-1.7.0.51-2.4.5.5.el7.x86_
yum -y remove java-1.7.0-openjdk-1.7.0.51-2.4.5.5.el7.x86_

卸载完成。