anonymous class implements interface; can not have arguments

I'm trying spark on maven but I get this problem I want to show me the port but the runable shows me this error

  

"anonymous class implements interface; can not have arguments"

Code

public class HelloWorldSparkStyle {
public static void main(String[] args) {
    Spark.get(new Route("/"){
        @Override
        public Object handle(Request rqst, Response rspns) throws Exception 
      {
            return "Hello World From Spark";
      }
    });
  }
}