Kotlin 1.3.70
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Overview
Kotlin for Server Side
Kotlin for Android
Kotlin for JavaScript
Kotlin for Native
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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Coding Conventions
Basics
Basic Types
Packages and Imports
Control Flow
Returns and Jumps
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Classes and Inheritance
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Functions
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Collections
Collections Overview
Constructing Collections
Iterators
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Operations Overview
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Filtering
Plus and Minus Operators
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Retrieving Single Elements
Ordering
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Coroutines
Coroutines Guide
Basics
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Composing Suspending Functions
Coroutine Context and Dispatchers
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Shared Mutable State and Concurrency
Select Expression (experimental)
Multiplatform Programming
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Destructuring Declarations
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This expressions
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Core Libraries
Standard Library
kotlin.test
Reference
Keywords and Operators
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Java Interop
Calling Java from Kotlin
Calling Kotlin from Java
JavaScript
Setting Up a Project
Dynamic Type
Calling JavaScript from Kotlin
Calling Kotlin from JavaScript
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Concurrency
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Documenting Kotlin Code
Using Kapt
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Coding Conventions
Evolution
Kotlin Evolution
Stability of different components
Compatibility Guide for Kotlin 1.3
FAQ
FAQ
Comparison to Java
kotlin-stdlib / kotlin.collections / ArrayDeque / contains

contains

Common
JVM
JS
Native
1.0
fun contains(element: 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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