Github user twalthr commented on a diff in the pull request:

    https://github.com/apache/flink/pull/5900#discussion_r194709349
  
    --- Diff: docs/quickstart/java_api_quickstart.md ---
    @@ -108,16 +118,201 @@ In Eclipse, choose
     box: `-Xmx800m`.
     In IntelliJ IDEA recommended way to change JVM options is from the `Help | 
Edit Custom VM Options` menu. See [this 
article](https://intellij-support.jetbrains.com/hc/en-us/articles/206544869-Configuring-JVM-options-and-platform-properties)
 for details. 
     
    -## Build Project
    +### Build Project
     
     If you want to __build/package your project__, go to your project 
directory and
     run the '`mvn clean package`' command.
     You will __find a JAR file__ that contains your application, plus 
connectors and libraries
     that you may have added as dependencies to the application: 
`target/<artifact-id>-<version>.jar`.
     
     __Note:__ If you use a different class than *StreamingJob* as the 
application's main class / entry point,
    -we recommend you change the `mainClass` setting in the `pom.xml` file 
accordingly. That way, the Flink
    -can run time application from the JAR file without additionally specifying 
the main class.
    +we recommend you change the `mainClass` setting in the `pom.xml` file 
accordingly. That way, Flink
    +can run the application from the JAR file without additionally specifying 
the main class.
    +
    +## Gradle
    +
    +### Requirements
    +
    +The only requirements are working __Gradle 3.x__ (or higher) and __Java 
8.x__ installations.
    +
    +### Create Project
    +
    +Use one of the following commands to __create a project__:
    +
    +<ul class="nav nav-tabs" style="border-bottom: none;">
    +        <li class="active"><a href="#gradle-example" 
data-toggle="tab"><strong>Gradle example</strong></a></li>
    +    <li><a href="#gradle-script" data-toggle="tab">Run the 
<strong>quickstart script</strong></a></li>
    +</ul>
    +<div class="tab-content">
    +    <div class="tab-pane active" id="gradle-example">
    +
    +        <ul class="nav nav-tabs" style="border-bottom: none;">
    +            <li class="active"><a href="#gradle-build" 
data-toggle="tab"><tt>build.gradle</tt></a></li>
    +            <li><a href="#gradle-settings" 
data-toggle="tab"><tt>settings.gradle</tt></a></li>
    +        </ul>
    +        <div class="tab-content">
    +            <div class="tab-pane active" id="gradle-build">
    +                {% highlight gradle %}
    +buildscript {
    +    repositories {
    +        jcenter() // this applies only to the Gradle 'Shadow' plugin
    +    }
    +    dependencies {
    +        classpath 'com.github.jengelman.gradle.plugins:shadow:2.0.3'
    +    }
    +}
    +
    +plugins {
    +    id 'java'
    +    id 'application'
    +    // shadow plugin to produce fat JARs
    +    id 'com.github.johnrengelman.shadow' version '2.0.3'
    +}
    +
    +
    +// artifact properties
    +group = 'org.myorg.quickstart'
    +version = '0.1-SNAPSHOT'
    +mainClassName = 'org.myorg.quickstart.StreamingJob'
    +description = """Flink Quickstart Job"""
    +
    +ext {
    +    javaVersion = '1.8'
    +    flinkVersion = '1.6-SNAPSHOT'
    +    scalaBinaryVersion = '2.11'
    +    slf4jVersion = '1.7.7'
    +    log4jVersion = '1.2.17'
    +}
    +
    +
    +sourceCompatibility = javaVersion
    +targetCompatibility = javaVersion
    +tasks.withType(JavaCompile) {
    +   options.encoding = 'UTF-8'
    +}
    +
    +applicationDefaultJvmArgs = ["-Dlog4j.configuration=log4j.properties"]
    +
    +// declare where to find the dependencies of your project
    +repositories {
    +    mavenCentral()
    +    maven { url 
"https://repository.apache.org/content/repositories/snapshots/"; }
    +}
    +
    +// NOTE: We cannot use "compileOnly" or "shadow" configurations since then 
we could not run code
    +// in the IDE or with "gradle run". We also cannot exclude transitive 
dependencies from the
    +// shadowJar yet (see https://github.com/johnrengelman/shadow/issues/159).
    +// -> Explicitly define the // libraries we want to be included in the 
"myShadowJar" configuration!
    +configurations {
    +    myShadowJar // dependencies which go into the shadowJar
    +
    +    // always exclude these (also from transitive dependencies) since they 
are provided by Flink
    +    myShadowJar.exclude group: 'org.apache.flink', module: 'force-shading'
    +    myShadowJar.exclude group: 'com.google.code.findbugs', module: 'jsr305'
    +    myShadowJar.exclude group: 'org.slf4j'
    +    myShadowJar.exclude group: 'log4j'
    +}
    +
    +// declare the dependencies for your production and test code
    +dependencies {
    --- End diff --
    
    Shall we move the sections for which a user cares (Flink version and 
dependencies) to the beginning? 


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