comparison.kt

// Kotlin + HttpURLConnection

val connection = URL("https://api.github.com/user").openConnection() as HttpURLConnection
val auth = Base64.getEncoder().encode("user:pass".toByteArray()).toString(Charsets.UTF_8)
connection.addRequestProperty("Authorization", "Basic $auth")
connection.connect()
println(connection.responseCode)
println(connection.getHeaderField("Content-Type"))
val text = connection.inputStream.use { it.reader().use { reader -> reader.readText() } }
println(text)
println(JSONObject(text))

// khttp

val r = get("https://api.github.com/user", auth = BasicAuthorization("user", "pass"))
println(r.statusCode)
println(r.headers["content-type"])
println(r.text)
println(r.jsonObject)