# <span class='text-muted'>001.</span> Hello World

<span style='font-size: small;' class='text-muted'>topic: {ref}`basics`</span>

[Hello World](https://en.wikipedia.org/wiki/%22Hello,_World!%22_program) in Fortran is

```{literalinclude} ../../src/hello-world.f90
:language: fortran
:caption: hello-world.f90 | <a href="https://github.com/zmoon/FortranTipBrowser/blob/main/src/hello-world.f90" target="_blank" title="See this source on GitHub"><i class="fab fa-github"></i></a> | <a href="https://godbolt.org/#g:!((g:!((g:!((g:!((h:codeEditor,i:(filename:'1',fontScale:14,fontUsePx:'0',j:1,lang:fortran,selection:(endColumn:1,endLineNumber:2,positionColumn:1,positionLineNumber:2,selectionStartColumn:1,selectionStartLineNumber:2,startColumn:1,startLineNumber:2),source:'print+*,+%22Hello,+World!!%22%0Aend%0A'),l:'5',n:'0',o:'Fortran+source+%231',t:'0')),k:50,l:'4',n:'0',o:'',s:0,t:'0'),(g:!((h:compiler,i:(compiler:gfortran112,filters:(b:'0',binary:'1',commentOnly:'0',demangle:'0',directives:'0',execute:'0',intel:'0',libraryCode:'0',trim:'1'),flagsViewOpen:'1',fontScale:14,fontUsePx:'0',j:1,lang:fortran,libs:!(),options:'',selection:(endColumn:1,endLineNumber:1,positionColumn:1,positionLineNumber:1,selectionStartColumn:1,selectionStartLineNumber:1,startColumn:1,startLineNumber:1),source:1,tree:'1'),l:'5',n:'0',o:'x86-64+gfortran+11.2+(Fortran,+Editor+%231,+Compiler+%231)',t:'0')),k:50,l:'4',n:'0',o:'',s:0,t:'0')),l:'2',m:62.300683371298405,n:'0',o:'',t:'0'),(g:!((h:output,i:(compiler:1,editor:1,fontScale:14,fontUsePx:'0',tree:'1',wrap:'1'),l:'5',n:'0',o:'Output+of+x86-64+gfortran+11.2+(Compiler+%231)',t:'0')),header:(),l:'4',m:37.699316628701595,n:'0',o:'',s:0,t:'0')),l:'3',n:'0',o:'',t:'0')),version:4" target="_blank" title="Open in Godbolt Compiler Explorer"><img src="https://raw.githubusercontent.com/compiler-explorer/compiler-explorer/main/views/resources/site-logo.svg" alt="Godbolt Compiler Explorer logo" width="55.11" height="16.7" class="align-text-bottom" /></a> | <a href="https://play.fortran-lang.org/?code=print%20%2A%2C%20%22Hello%2C%20World%21%22%0Aend%0A" target="_blank" title="Open in Fortran Playground"><img src="https://raw.githubusercontent.com/fortran-lang/playground/main/frontend/src/fortran-logo.png" alt="Fortran logo" height="15.5" class="align-text-bottom" /></a>
```

```{code-block} text
:caption: Output[^gfortran-version]

 Hello, World!

```

[^gfortran-version]: Compiled using `GNU Fortran (Ubuntu 11.3.0-1ubuntu1~22.04) 11.3.0` with no flags

(Every Fortran program must have an `end` statement.)

---

<blockquote class="twitter-tweet"><p lang="en" dir="ltr">Hello World in Fortran is<br><br>print*,&quot;Hello, World.&quot;<br>end</p>&mdash; FortranTip (@fortrantip) <a href="https://twitter.com/fortrantip/status/1471887565745799173?ref_src=twsrc%5Etfw">December 17, 2021</a></blockquote> <script async src="https://platform.twitter.com/widgets.js" charset="utf-8"></script>