hello

package hello;

import static spark.Spark.*;
import spark.ModelAndView;
import java.util.*;
import spark.template.mustache.*;

public class MainServer {
    public static void main(String[] args) {

        // Get port config of heroku on environment variable
        ProcessBuilder process = new ProcessBuilder();
        Integer port;
        if (process.environment().get("PORT") != null) {
            port = Integer.parseInt(process.environment().get("PORT"));
        } else {
            port = 8080;
        }
        port(port);

        //Delivery static file
        staticFileLocation("/static");

        // Handle requests
        get("/", (req, res) -> {

            Map map = new HashMap();
            map.put("title", "Welcome to this world");
            map.put("name", "Sam");

            return new ModelAndView(map, "hello.mustache");
        }, new MustacheTemplateEngine());

        get("/hello", (req, res) -> "Hello World");
    }
}