← Docs
kotlin-stdlib / kotlin.io / java.io.InputStream / copyTo

copyTo

JVM
1.0
fun InputStream . copyTo (
out : OutputStream ,
bufferSize : Int = DEFAULT_BUFFER_SIZE
) : Long

(source)

Copies this stream to the given output stream, returning the number of bytes copied

Note It is the caller's responsibility to close both of these resources.

Stay in touch:
  • Contributing to Kotlin
  • Releases
  • Press Kit
  • Security
  • Blog
  • Issue Tracker
  • Brand assets
  • Careers
Supported and developed by JetBrains .
Kotlin™ is protected under the Kotlin Foundation
and licensed under the Apache 2 license .