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Go Hello World

Our first program will print the classic “hello world” message. Here’s the full source code.

To run the program, put the code in hello-world.go and use go run.

First, How to run Golang Program?

To run a Go program you need a Go compiler. In Go compiler, first you create a program and save your program with extension .go, for example, hello-world.go. Now we run this hello-world.go file in the go compiler using the following command:

$ go run hello-world.go

Code Example

package main
import "fmt"
func main() {
    fmt.Println("Hello World")

Output for above code

Hello World

In the above lines of code we have:

func: It is used to create a function in Go language.

main: It is the main function in Go language, which doesn’t contain the parameter, doesn’t return anything, and call when you execute your program. It represents an entry point for the program.

Println(): Println means Print line. This method is present in fmt package and it is used to display in this example “Hello World” string.


In this page (written and validated by ) you learned about Go Hello World . What's Next? If you are interested in completing Go tutorial, your next topic will be learning about: Go Comments.

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