buildscript { repositories { jcenter() mavenCentral() } dependencies { // classpath 'me.champeau.gradle:antlr4-gradle-plugin:0.1' } } apply plugin: 'java' apply plugin: 'idea' repositories { jcenter() mavenCentral() } sourceCompatibility = 1.8 sourceSets { main.java.srcDirs 'src/main' test.java.srcDirs 'src/test' } idea { module { downloadJavadoc = true downloadSources = true } } dependencies { testCompile 'junit:junit:4.12' testCompile 'org.assertj:assertj-core:3.8.0' } task wrapper(type: Wrapper) { gradleVersion = '4.3.1' }