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_64 u51-b31)
OpenJDK 64-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_64
java-1.7.0-openjdk-1.7.0.51-2.4.5.5.el7.x86_64

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_64
yum -y remove java-1.7.0-openjdk-1.7.0.51-2.4.5.5.el7.x86_64

卸载完成。