第一种:单独下载jdk安装包安装
https://blog.csdn.net/qq_40771292/article/details/107615293
第二种:用命令行方式进行安装
https://blog.csdn.net/qq_40771292/article/details/107615925
https://blog.csdn.net/qq_40771292/article/details/107615293
https://blog.csdn.net/qq_40771292/article/details/107615925