# Properties **URL:** \ **Category:** Support\ **Created:** [June 30, 2019, 9:12am UTC](https://discuss.kotlinlang.org/t/properties/13270 "2019-06-30T09:12:17Z")\ **Posts on this page:** 5\ **Page:** 1
**Author:** ![rpuxa](https://avatars.discourse-cdn.com/v4/letter/r/57b2e6/32.png) [@rpuxa](https://discuss.kotlinlang.org/u/rpuxa)\ **Post date:** [June 30, 2019, 9:12am UTC](https://discuss.kotlinlang.org/t/properties/13270/1 "2019-06-30T09:12:17Z")
Where can I find documentation about how kotlin converts java methods to properties ---
**Author:** ![darksnake](https://sea1.discourse-cdn.com/flex019/user_avatar/discuss.kotlinlang.org/darksnake/32/2479_2.png) [@darksnake](https://discuss.kotlinlang.org/u/darksnake)\ **Post date:** [June 30, 2019, 9:17am UTC](https://discuss.kotlinlang.org/t/properties/13270/2 "2019-06-30T09:17:22Z")
Have you tried google? Or official documentation? ---
**Author:** ![rpuxa](https://avatars.discourse-cdn.com/v4/letter/r/57b2e6/32.png) [@rpuxa](https://discuss.kotlinlang.org/u/rpuxa)\ **Post date:** [June 30, 2019, 10:01am UTC](https://discuss.kotlinlang.org/t/properties/13270/3 "2019-06-30T10:01:58Z")
Ok, I will ask question from other side. Why kotlin converts HashMap.size() to size property? ---
**Author:** ![darksnake](https://sea1.discourse-cdn.com/flex019/user_avatar/discuss.kotlinlang.org/darksnake/32/2479_2.png) [@darksnake](https://discuss.kotlinlang.org/u/darksnake)\ **Post date:** [June 30, 2019, 10:39am UTC](https://discuss.kotlinlang.org/t/properties/13270/4 "2019-06-30T10:39:32Z")
It does not. Kotlin `Map` is not a converted Java `Map`, it is an interface of its own, which is mapped internally to Java `Map` on Kotlin-JVM. ---
**Author:** ![rpuxa](https://avatars.discourse-cdn.com/v4/letter/r/57b2e6/32.png) [@rpuxa](https://discuss.kotlinlang.org/u/rpuxa)\ **Post date:** [June 30, 2019, 11:47am UTC](https://discuss.kotlinlang.org/t/properties/13270/5 "2019-06-30T11:47:39Z")
Thank you