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Java Spring with Hibernate Getting Started with CRUD in Spring + Hibernate Add a controller method for saving a new contact

Annotate the controller's add method so that it captures a POST request to "/contacts", and includes a Contact parameter

please help

package com.teamtreehouse.contactmgr.controller;

import com.teamtreehouse.contactmgr.service.ContactService;
import com.teamtreehouse.contactmgr.model.Contact;

import org.springframework.stereotype.Controller;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;

public class ContactController {

  public String formNewContact (Model model){
    model.Attribute ("contact", new Contact ());
      return "contact/form";

  private ContactService contactService;

  @RequestMapping(value ="/contact", method = RequestMethod.POST)
  public String add(Contact contact) {
    // TODO: Save the Contact object
    contactService.save (contact);
    return "redirect:/contacts/"+ contact.getId;