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toByteArray

inline fun String.toByteArray(
    charset: Charset = Charsets.UTF_8
): ByteArray

Platform and version requirements: JVM

Encodes the contents of this string using the specified character set and returns the resulting byte array.

import kotlin.test.*
import java.util.*

fun main(args: Array<String>) {
//sampleStart
val charset = Charsets.UTF_8
val byteArray = "Hello".toByteArray(charset)
println(byteArray.contentToString()) // [72, 101, 108, 108, 111]
println(byteArray.toString(charset)) // Hello
//sampleEnd
}

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Licensed under the Apache License, Version 2.0.
https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.text/to-byte-array.html