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Linux下安装jdk包含卸载OpenJDK介绍
1.查看openjdkrpm -qa|grep jdk2.删除openjdk(rpm -e --nodeps )rpm -e --nodeps java-1.8.0-openjdk-headless-1.8.0.262.b10-1.el7
1.查看openjdkrpm -qa|grep jdk2.删除openjdk(rpm -e --nodeps )rpm -e --nodeps java-1.8.0-openjdk-headless-1.8.0.262.b10-1.el7