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group 'assignment.sportsday' <example only, replace with your package names, (stuff after src/main/java)
version "1.0-SNAPSHOT"

apply plugin: 'java'
apply plugin: 'application'

sourceCompatibility = 1.8

repositories {
    mavenCentral()
}

dependencies {
    testCompile group: 'junit', name: 'junit', version: '4.12'
}

mainClassName="assignment.sportsday.core.Main" <example only, replace with your own main class>

jar {
    manifest {
        attributes 'Main-Class': mainClassName
    }
}