Hello World Program

go mod init test will create go module = test

$ mkdir test
$ cd test
$ go mod init test      //This will create a go.mod file
$ cat go.mod
module test

go 1.24.0
            

Create main.go

// main.go
package main

import "fmt"

func main() {
    fmt.Println("Hi")
}
$ go run main.go
Hi