Kotlin
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Overview
Kotlin for Server Side
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Coroutines
Multiplatform
What's New in 1.1
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What's New in 1.3
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kotlin.test
Reference
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JavaScript
Dynamic Type
Calling JavaScript from Kotlin
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Coroutines
Coroutines Guide
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Documenting Kotlin Code
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Evolution
Kotlin Evolution
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Compatibility Guide for Kotlin 1.3
FAQ
FAQ
Comparison to Java
kotlin-stdlib / kotlin.collections / HashSet / size

size

Common
Native
1.0
val size: Int
JS
1.1
open val size: Int

Returns the size of the collection.

Licensed under the Apache 2 license
Kotlin Trademark is protected under the Kotlin Foundation
Sponsored and developed by JetBrains
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