安装Java SDK
下载:
https://www.oracle.com/java/technologies/javase-downloads.html
选中下载的文件“jdk-15.0.1_windows-x64_bin.exe”,右键选择“以管理员身份运行”安装
之后安装与环境变量设置参考:
https://zhuanlan.zhihu.com/p/134042950
可参考:https://codenotfound.com/java-download-install-jdk-8-windows.html