If you are using Maven or Gradle, add the following dependency to the dependencies section of your project descriptor to access the Vert.x Core API:

  • Maven (in your pom.xml):

<dependency>
  <groupId>io.vertx</groupId>
  <artifactId>vertx-core</artifactId>
  <version>3.4.2</version>
</dependency>
  • Gradle (in your build.gradle file):

dependencies {
  compile 'io.vertx:vertx-core:3.4.2'
}