1.JDK下载2 .上传到2.JDKLinux服务器并转至/home/environment/jdk路径4.JDK压缩包文件tar-zxvf JDK-8u 261-Linux-x64 .
export Java _ home=/home/environment/JDK/JDK1.8.0_ 261 export path=$ Java _ home /沉默的猫： $ pathexportclasppport
确保已在java -version上成功安装启用配置文件的source/etc/profile7.JDK