package org.hso.ecommerce.app; import org.springframework.stereotype.Controller; import org.springframework.ui.Model; import org.springframework.web.bind.annotation.GetMapping; import org.springframework.web.bind.annotation.RequestParam; @Controller public class GreetingController { @GetMapping("/greeting") public String greeting(@RequestParam(name = "name", required = false, defaultValue = "World") String name, Model model) { model.addAttribute("name", name); return "greeting"; } }