2024年5月4日发(作者:卡巴斯基免费版下载不了)
1.检查系统中jdk版本(有的系统自带jdk)
[root@localhost software]# java -version
若未jdk则无反应,若有则显示:
openjdk version "1.8.0_102"
OpenJDK Runtime Environment (build 1.8.0_102-b14)
OpenJDK 64-Bit Server VM (build 25.102-b14, mixed mode)
2.检测jdk安装包
[root@localhost software]# rpm -qa | grep java
显示:
7.x86_64
7.x86_64
7.x86_64
7.x86_64
3.卸载openjdk
[root@localhost software]# rpm -e --nodeps
[root@localhost software]# rpm -e --nodeps java-1.7.0-openjdk-1.7.0.111-
7.x86_64
[root@localhost software]# rpm -e --nodeps java-1.7.0-openjdk-headless-
7.x86_64
[root@localhost software]# rpm -e --nodeps java-1.8.0-openjdk-1.8.0.102-
7.x86_64
[root@localhost software]# rpm -e --nodeps java-1.8.0-openjdk-headless-
7.x86_64
或者使用yum指令
[root@localhost jvm]# yum remove *openjdk*
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