package hello; import spark.Spark; /** Simple server that just says hello. */ public class HelloServer { public static void main(String[] args) { // Get the person's name from the query string if available. Spark.get("/hello", (req, res) -> { String name = req.queryParams("name"); return "Hello, " + (name != null ? name : "friend"); }); // Get the person's name from the URL. Spark.get("/hello/:name", (req, res) -> { return "Hello, " + req.params(":name"); }); } }