package main

import (

    "net/http"

    "fmt"

)

func main() {

    http.HandleFunc("/", func(writer http.ResponseWriter, request *http.Request) {

        fmt.Fprintf(writer, "<h1>Hello World %s!</h1>", request.FormValue("name"))

    })

    http.ListenAndServe(":8888", nil)

}

package main

import (

    "fmt"

    "time"

)

func printHelloWorld(i int, ch chan string) {

    ch <- fmt.Sprintf("Hellow World from goroutine %d!\n", i)

}

func main() {

    ch := make(chan string)

    for i:=; i<; i++ {

        // go starts a go routine

        go printHelloWorld(i, ch)

    }

    for {

        msg := <- ch

        fmt.Println(msg)

    }

    time.Sleep(time.Millisecond)

}