Kotlin 1.3.70
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Overview
Kotlin for Server Side
Kotlin for Android
Kotlin for JavaScript
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Kotlin for Data Science
Coroutines
Multiplatform
What's New
What's New in 1.3
What's New in 1.2
What's New in 1.1
Getting Started
Basic Syntax
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Collections Overview
Constructing Collections
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Operations Overview
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Coroutines
Coroutines Guide
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Select Expression (experimental)
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kotlin.test
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Calling JavaScript from Kotlin
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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 / ArrayDeque / retainAll

retainAll

Common
JVM
JS
Native
1.0
fun retainAll(elements: Collection<E>): Boolean
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Licensed under the Apache 2 license
Kotlin Trademark is protected under the Kotlin Foundation
Sponsored and developed by JetBrains
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