前言
本小节我们学习一下在CloudVM(CentOS)上安装openJDK
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安装指定版本的openJDK
yum -y install java-11-openjdk*
[root@iZ2ze8sm5upgi8z1dcazqeZ apache-maven-3.6.2]# cd /usr/lib/jvm/ [root@iZ2ze8sm5upgi8z1dcazqeZ jvm]# ls java java-11-openjdk java-11-openjdk-11.0.4.11-1.el7_7.x86_64-debug jre jre-11-openjdk jre-11-openjdk-11.0.4.11-1.el7_7.x86_64-debug java-11 java-11-openjdk-11.0.4.11-1.el7_7.x86_64 java-openjdk jre-11 jre-11-openjdk-11.0.4.11-1.el7_7.x86_64 jre-openjdk [root@iZ2ze8sm5upgi8z1dcazqeZ jvm]#
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配置环境变量 打开 vim /etc/profile 添加一下内容:
export JAVA_HOME=/usr/lib/jvm/java-11-openjdk-11.0.4.11-1.el7_7.x86_64 export PATH=$PATH:$JAVA_HOME/bin
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修改完成之后,使其生效
source /etc/profile