# Why does mutableMapOf make LinkedHashMap and not HashMap?

**URL:** https://discuss.kotlinlang.org/t/why-does-mutablemapof-make-linkedhashmap-and-not-hashmap/5667
**Category:** Uncategorized
**Created:** [December 4, 2017, 11:48am UTC](https://discuss.kotlinlang.org/t/why-does-mutablemapof-make-linkedhashmap-and-not-hashmap/5667 "2017-12-04T11:48:11Z")
**Posts on this page:** 1
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### Author: ![jstuyts](https://sea1.discourse-cdn.com/flex019/user_avatar/discuss.kotlinlang.org/jstuyts/32/2141_2.png) [@jstuyts](https://discuss.kotlinlang.org/u/jstuyts)
#### Post date: [December 4, 2017, 11:56am UTC](https://discuss.kotlinlang.org/t/why-does-mutablemapof-make-linkedhashmap-and-not-hashmap/5667/3 "2017-12-04T11:56:10Z")

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This has been answered in an older thread: [listOf, arrayListOf, setOf, etc - #5 by ilya.gorbunov](https://discuss.kotlinlang.org/t/listof-arraylistof-setof-etc/1475/5)

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