gistfile1.java

// In Vert.x 3:

public static void main(String[] args) {

   Vertx.vertx().setPeriodic(1000, tid -> System.out.println("hello"));

}

//If the threads were daemon then they above would exit immediately so you'd have to do something like the following to prevent // main from exiting (or any other method that blocks the main thread)

public static void main(String[] args) {

   Vertx.vertx().setPeriodic(1000, tid -> System.out.println("hello"));

   try {
   } catch (Exception ignore) {
     Thread.sleep(1000000);
   }
}