Controller

package com.ldilov.springapp.controllers;

import com.ldilov.springapp.models.UserRegisterModel;
import org.springframework.stereotype.Controller;
import org.springframework.ui.*;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.ResponseBody;

@Controller
public class RegisterController {

    @GetMapping("/register/index")
    public String Register(Model model){
        model.addAttribute("viewModel", new UserRegisterModel());
        return "register/index";
    }

    @PostMapping("/register/index")
    public String Register(UserRegisterModel userRegisterModel){
        System.out.println(userRegisterModel.getUsername() + " and " + userRegisterModel.getPassword());
        return "register/index";
    }
}