Correction exercice 1

package fr.imta.smartgrid;

import io.vertx.core.Handler;
import io.vertx.ext.web.RoutingContext;

public class DisplayRequestHandler implements Handler<RoutingContext> {

    @Override
    public void handle(RoutingContext event) {
        if (event.pathParams().isEmpty())
            event.end("Hello world!");
        else event.end("Hello "+event.pathParam("name")+"!");
    }
    
}