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
Classes and Objects
Classes and Inheritance
Properties and Fields
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Functions
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Collections
Collections Overview
Constructing Collections
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Operations Overview
Transformations
Filtering
Plus and Minus Operators
Grouping
Retrieving Collection Parts
Retrieving Single Elements
Ordering
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Collection Write Operations
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Map Specific Operations
Coroutines
Coroutines Guide
Basics
Cancellation and Timeouts
Composing Suspending Functions
Coroutine Context and Dispatchers
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Exception Handling and Supervision
Shared Mutable State and Concurrency
Select Expression (experimental)
Multiplatform Programming
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This expressions
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Opt-in Requirements
Core Libraries
Standard Library
kotlin.test
Reference
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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
JavaScript Modules
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Concurrency
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Tools
Documenting Kotlin Code
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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.io / java.io.File / outputStream

outputStream

JVM
1.0
fun File.outputStream(): FileOutputStream

Constructs a new FileOutputStream of this file and returns it as a result.

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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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