Linux安装jdk详细步骤

1.centos7——查询文件位置

https://blog.csdn.net/qq_38322527/article/details/102981561

2.Linux安装jdk详细步骤

https://blog.csdn.net/weixin_44538107/article/details/88683530

export JAVA_HOME=/usr/java/jdk1.8.0_291
export PATH=$JAVA_HOME/bin:$PATH
export CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar