Gradle Shadow Example

build.gradle

group 'com.github.yourusername'
version '1.0-SNAPSHOT'

//These are dependencies that have to do with just the build. See: https://stackoverflow.com/a/23627293/5432315
buildscript {
    repositories {
        jcenter()
    }
    dependencies {
        //This is necessary to use the gradle shadow plugin
        classpath 'com.github.jengelman.gradle.plugins:shadow:2.0.2'
    }
}

apply plugin: 'java'
apply plugin: 'com.github.johnrengelman.shadow'

sourceCompatibility = 1.8

repositories {
    mavenCentral()
}

dependencies {
    //Add your dependencies here following this format
    compile group: 'org.controlsfx', name: 'controlsfx', version: '8.40.14'
}

//This lets the shadow plugin know which is the main class
jar {
    manifest {
        attributes 'Main-Class': 'com.example.Main'
    }
}