3. Declaring repositories

For example, the com.google.guava:guava:30.0-jre dependency can be downloaded from the public Maven Central repository mavenCentral(). Gradle will find and download the guava source code (as a jar) from Maven Central and use it build the project.

[Itisango]

Organizations building software may want to leverage public binary repositories to download and consume open source dependencies. Popular public repositories include Maven Central and the Google Android repository. Gradle provides built-in shorthand notations for these widely-used repositories.

[nilab]

Gradle repositories{} mavenCentral(), jcenter(), google() "Popular public repositories include Maven Central, Bintray JCenter and the Google Android repository. Gradle provides built-in shorthand notations for these widely-used repositories."