build.gradle

buildscript {
    ext {
        kotlin_version = '1.2.0'
        junit_version = '4.12'
    }

    repositories {
        mavenCentral()
    }

    dependencies {
        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
        classpath "org.junit.platform:junit-platform-gradle-plugin:1.0.2"
    }
}

apply plugin: 'kotlin'

repositories {
    mavenCentral()
}

dependencies {
    testCompile "junit:junit:$junit_version"
    compile "org.jetbrains.kotlin:kotlin-stdlib-jre8:$kotlin_version"
}