本书作者使用的实现语言为 Golang。
- 安装Golang(brew install go)
- 安装IDE(Goland)
- 代理设置(https://goproxy.io)
关于java命令
https://docs.oracle.com/en/java/javase/13/docs/specs/man/java.html
The java command starts a Java application. It does this by starting the Java Virtual Machine (JVM), loading the specified class, and calling that class's main() method.