<h1 id="aggregation">Aggregation<a aria-hidden="true" class="anchor-heading icon-link" href="#aggregation"></a></h1>
<ul>
<li>Special case of <a href="/cs/notes/iaomvt397b011wujyhkt0ig">Association</a></li>
<li>When a class has another class' object as a data member.</li>
<li>Unidirectional association</li>
<li>Both entities can survive individually</li>
<li>What kind of relationship?
<ul>
<li>HAS - A</li>
<li>Whole-part relationship</li>
</ul>
</li>
</ul>
<hr>
<strong>Children</strong>
<ol>
<li><a href="/cs/notes/xgehdwmc34ycwb0emvyvrl9">Composition</a></li>
</ol>
<hr>
<strong>Backlinks</strong>
<ul>
<li><a href="/cs/notes/h5kvwhuyrf6vt5mf0nly4bo">Serialization of Objects (cs)</a></li>
<li><a href="/cs/notes/xgehdwmc34ycwb0emvyvrl9">Composition (cs)</a></li>
</ul>

Aggregation



These notes are arranged into the below topics:

- AI (Sorry this is on the top, list is alphabetic)
- [[arch]]
- Data
- Execution
- Languages
- Semantics
- [[paradigm]]
- Philosophy
- Dev
- Tools
- Type Theory

## References

- Hierarchy inpiration - [Map of Computer Science](https://www.flickr.com/photos/95869671@N08/36231833334/in/photostream/lightbox/)