# Development Info.

**URL:** <https://community.dhis2.org/t/development-info/33796>\
**Category:** Support - Assistance technique\
**Created:** [15 August 2017 11:33 UTC](https://community.dhis2.org/t/development-info/33796 "2017-08-15T11:33:54Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Zaigham](https://dhis2.b-cdn.net/letter_avatar_proxy/v4/letter/z/8baadc/32.png) [@Zaigham](https://community.dhis2.org/u/Zaigham)\
**Post date:** [15 August 2017 11:33 UTC](https://community.dhis2.org/t/development-info/33796/1 "2017-08-15T11:33:54Z")

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Hi,  
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;I am a software developer and i want to customization structure tree design using java. please let me know where the code whole dhis2 located and also how to customize it. if there is documentation related functions and classes please give me the link.

> **···**
>
> --  
> Thanks,
> 
> Regards: Zaigham Raza

---

<div class="post-metadata">

**Author:** ![jason](https://dhis2.b-cdn.net/user_avatar/community.dhis2.org/jason/32/32739_2.png) [@jason](https://community.dhis2.org/u/jason)\
**Post date:** [15 August 2017 12:06 UTC](https://community.dhis2.org/t/development-info/33796/2 "2017-08-15T12:06:21Z")

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Hi there,

You can find all of the source code, both the server core and apps in the various repositories here

[https://github.com/dhis2](https://github.com/dhis2)

Documentation is here

[https://docs.dhis2.org](https://docs.dhis2.org)

Regards,

Jason

> **···**
>
> On Tue, Aug 15, 2017 at 1:33 PM, [zaigham@pace-tech.com](mailto:zaigham@pace-tech.com) wrote:
> 
> > Hi,
> > 
> > ```
> > I am a software developer and i want to customization structure tree design using java. please let me know where the code whole dhis2 located and also how to customize it. if there is documentation related functions and classes please give me the link.
> > 
> > ```
> > 
> > –
> > 
> > Thanks,
> > 
> > Regards: Zaigham Raza
> > 
> > * * *
> > 
> > Mailing list: [https://launchpad.net/~dhis2-devs](https://launchpad.net/~dhis2-devs)
> > 
> > Post to : [dhis2-devs@lists.launchpad.net](mailto:dhis2-devs@lists.launchpad.net)
> > 
> > Unsubscribe : [https://launchpad.net/~dhis2-devs](https://launchpad.net/~dhis2-devs)
> > 
> > More help : [https://help.launchpad.net/ListHelp](https://help.launchpad.net/ListHelp)
> 
> –
> 
> Jason P. Pickering  
> email: [jason.p.pickering@gmail.com](mailto:jason.p.pickering@gmail.com)  
> tel:+46764147049