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Go Hello World Example
A Go program will have the following parts:
- Package Declaration
- Import Packages
- Functions
- Variables
- Statements & Expressions
- Comments
Sample code:
package main
import "fmt"
func main() {
/* Welcome to wikitechy. This is my first sample program. */
fmt.Println("Hello, World! Welcome to Wikitechy")
}
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How to execute the Go Program:
- Open a text editor and add the above-mentioned code.
- Step 1 : Save the file as hello-world.go
- Step 2 : Open a command prompt and go to the directory where you saved the file.
- Step 3 : Type go run hello.go and press enter to run your code.
$ go run hello-world.go
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- Hello, World! Welcome to Wikitechy
$ go build hello-world.go
$ ls
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- hello-world hello-world.go
$ ./hello-world
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- Hello, World! Welcome to Wikitechy
- Step 4 : You will get the output "Hello, World! Welcome to Wikitechy"