Gradle vs Maven: Installation, Wrapper, Dependency Management, Tasks, Plugins, and Why Choose Gradle

1. Install Gradle

The most traditional way is to download the binary package from the Gradle website, unzip it and add it to the PATH. Because Gradle releases new versions frequently, using a package manager (e.g., scoop on Windows or the system package manager on Linux) keeps the installation up‑to‑date.

Gradle also offers a Gradle Wrapper that automatically downloads the required Gradle version when you run the wrapper script, so you can build projects without installing Gradle globally.

2. Use Gradle Wrapper

When you create a project with IntelliJ IDEA, the IDE generates the wrapper files ( gradlew , gradlew.bat , and the gradle directory). The project structure is similar to Maven’s: the .gradle files are the equivalent of pom.xml .

3. Dependency Management

Gradle’s dependency syntax is concise compared with Maven’s XML. Example:

dependencies {
    testImplementation 'junit:junit:4.13'
    implementation 'com.google.code.gson:gson:2.8.6'
}

Gradle provides several configurations:

implementation : available at compile and runtime, but not exposed to consumers.

api : similar to implementation but exposed to consumers.

compileOnly / runtimeOnly : visible only during compilation or only at runtime.

testImplementation , testCompileOnly , testRuntimeOnly : the same scopes limited to test code.

For searching artifacts, JetBrains’ Package Search is recommended.

4. Tasks and Plugins

Gradle build files are Groovy (or Kotlin) scripts, allowing you to write custom tasks directly. For example, you can add a task that prints the size of the generated JAR with just a few lines of code, something that would require a dedicated Maven plugin otherwise.

Gradle also has a rich plugin ecosystem (e.g., gretty for running web apps on Tomcat/Jetty) that often surpasses Maven equivalents.

5. Configure Mirrors

Because Maven’s central repository can be slow in China, Gradle can use the same mirrors. Create an init.gradle script in the .gradle directory with the following content:

allprojects {
    repositories {
        maven { url "https://maven.aliyun.com/repository/public" }
        maven { url "https://maven.aliyun.com/repository/jcenter" }
        maven { url "https://maven.aliyun.com/repository/spring" }
        maven { url "https://maven.aliyun.com/repository/spring-plugin" }
        maven { url "https://maven.aliyun.com/repository/gradle-plugin" }
        maven { url "https://maven.aliyun.com/repository/google" }
        maven { url "https://maven.aliyun.com/repository/grails-core" }
        maven { url "https://maven.aliyun.com/repository/apache-snapshots" }
    }
}

6. Configure Proxy

If you have a corporate proxy, set it globally by creating gradle.properties in the .gradle folder:

org.gradle.jvmargs=-Xmx4g -XX:MaxPermSize=512m -XX:+HeapDumpOnOutOfMemoryError -Dfile.encoding=UTF-8
systemProp.http.proxyHost=127.0.0.1
systemProp.http.proxyPort=10800
systemProp.https.proxyHost=127.0.0.1
systemProp.https.proxyPort=10800
systemProp.file.encoding=UTF-8
org.gradle.warning.mode=all

7. Why Use Gradle?

Speed: Gradle’s build cache and daemon make compilation several times faster than Maven, especially for large projects.

Flexibility: Build scripts are written in a full programming language (Groovy/Kotlin), allowing complex logic without external scripts.

Conciseness: The same functionality often requires far fewer lines than Maven’s verbose XML.

Gradle has become the default for many modern Java ecosystems (Spring, Android, etc.), so learning it is essential for Java backend developers.

— End of article.