build.gradle

plugins {
    id 'java'
    id 'idea'
}

tasks.withType(JavaCompile) {
    options.encoding = 'UTF-8'
}

sourceSets {
    main {
        java {
            srcDir 'src'
        }
    }
}

repositories {
    mavenCentral()
}

dependencies {
    testCompile group: 'junit', name: 'junit', version: '4.11'
}

idea {
    module {
        downloadJavadoc = true
        downloadSources = true
    }
}