Kotlin:
基本認証を使用したHTTPリクエストの送信

import java.net.HttpURLConnection
import java.net.URL
import java.util.Base64

fun sendHttpGetRequestWithBasicAuth(url: String, username: String, password: String) {
    val connection = URL(url).openConnection() as HttpURLConnection
    val credentials = "$username:$password"
    val encodedCredentials = Base64.getEncoder().encodeToString(credentials.toByteArray())
    connection.requestMethod = "GET"
    connection.setRequestProperty("Authorization", "Basic $encodedCredentials")

    connection.connect()

    val responseCode = connection.responseCode
    println("Response Code: $responseCode")

    if (responseCode == HttpURLConnection.HTTP_OK) {
        val result = connection.inputStream.bufferedReader().readText()
        println("Response: $result")
    } else {
        println("Failed to get response")
    }

    connection.disconnect()
}

fun main() {
    val testUrl = "http://your-api-url.com"
    val username = "user"
    val password = "pass"
    sendHttpGetRequestWithBasicAuth(testUrl, username, password)
}