# Structure

## Program Structure

* Documentation block
* Preprocessor Statements
* The main ( ) function
* Local Variable Declarations
* Program statements
* User defined functions

```go
/* This is my first Go program. */
package main
import "fmt"
func main() {
    fmt.Println("Hello, World!")
}
```

## Documentation Block

```go
/*
Program Name: First Go Program
Version: 1.0
Description: Go program basic program structure.
Author: @Oliver
Date Created 04/01/2021
*/
```

## Package Declaration

```go
package main
```

## Preprocessor Statements

```go
import "fmt"
```

## The main() function

Mandatory to have in Go.

## Local Variable Declarations

Variables in main

## Statements and Expressions

This is the section where we place our main logic of the program which included the executable statements, that tell the computer to perform a specification action. Program statement can be an input-output statements, arithmetic statements, control statements, simple assignment statements and any other statements and it also includes comments that are enclosed within /\* *and \**/.

## User Defined Functions

Functions in main