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JAVA相关知识
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JDK安装
跳转到oracle下载JDK, 推荐使用JDK17
windows安装
傻瓜式安装后,配置环境变量,配置JAVA_HOME:
配置path变量,配置PATH:
LINUX安装
推荐使用tar包安装;解压tar包之后,配置环境变量 修改/etc/profile文件: vim /etc/profile
JDK17:
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export JAVA_HOME=/usr/lib/jdk17/jdk-17.0.10
export CLASSPATH=.:$JAVA_HOME/lib/
export PATH=.:$JAVA_HOME/bin:$PATH
JDK8:
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export JAVA_HOME=/usr/local/jdk1.8.0_191
export JRE_HOME=${JAVA_HOME}/jre
export CLASSPATH=.:${JAVA_HOME}/lib:${JRE_HOME}/lib:$CLASSPATH
export JAVA_PATH=${JAVA_HOME}/bin:${JRE_HOME}/bin
export PATH=$PATH:${JAVA_PATH}
生效配置文件:
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source /etc/profile
检查配置是否生效:
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java -version
当显示jdk版本信息,则表示安装成功
More
Check out the documentation for the full list of markdown extensions.