App.kt

/*                                                                                                             
 * This Kotlin source file was generated by the Gradle 'init' task.
 */
package HatenaBookmarkFavoriteChecker

import org.jsoup.Jsoup

fun main(args: Array<String>) {
    val xml = Jsoup.connect("http://b.hatena.ne.jp/user/bookmark.rss").get() ?: return
    val elements = xml.select("item").first()
    println(elements.getElementsByTag("dc:date").get(0).text())
}

build.gradle.kts

/*
 * This file was generated by the Gradle 'init' task.
 *
 * This generated file contains a sample Kotlin application project to get you started.
 */
import com.github.jengelman.gradle.plugins.shadow.tasks.ShadowJar

plugins {
    // Apply the Kotlin JVM plugin to add support for Kotlin on the JVM
    id("org.jetbrains.kotlin.jvm").version("1.2.21")

    // Apply the application to add support for building a CLI application
    id("application")
    id("com.github.johnrengelman.shadow") version "5.0.0"

}

repositories {
    // Use jcenter for resolving your dependencies.
    // You can declare any Maven/Ivy/file repository here.
    jcenter()
}

dependencies {
    // Use the Kotlin JDK 8 standard library
    implementation("org.jetbrains.kotlin:kotlin-stdlib-jdk8")

    // Use the Kotltlin jsoup library
    implementation("org.jsoup:jsoup:1.11.3")

    // Use the Kotlin test library
    testImplementation("org.jetbrains.kotlin:kotlin-test")

    // Use the Kotlin JUnit integration
    testImplementation("org.jetbrains.kotlin:kotlin-test-junit")
}

application {
    // Define the main class for the application
    mainClassName = "HatenaBookmarkFavoriteChecker.AppKt"
}

tasks.withType<Jar> {
    manifest {
        attributes(mapOf(
                "Main-Class" to "HatenaBookmarkFavoriteChecker.AppKt"
        ))
    }
}

tasks.withType<ShadowJar> {
    baseName = "hatebfavcheck"
    classifier = ""
    version = ""
}

gradle.properties

org.gradle.jvmargs='-Dfile.encoding=UTF-8'
org.gradle.daemon=true
// org.gradle.java.home=C:\\JDKPortable
// systemProp.http.proxyHost=
// systemProp.http.proxyPort=
// systemProp.https.proxyHost=
// systemProp.https.proxyPort=