diff --git a/src/main/java/kuit/springbasic/controller/HomeController.java b/src/main/java/kuit/springbasic/controller/HomeController.java
index 6a59270..90fd2c8 100644
--- a/src/main/java/kuit/springbasic/controller/HomeController.java
+++ b/src/main/java/kuit/springbasic/controller/HomeController.java
@@ -1,12 +1,59 @@
 package kuit.springbasic.controller;
 
+import jakarta.servlet.http.HttpServletRequest;
+import jakarta.servlet.http.HttpServletResponse;
+import kuit.springbasic.db.QuestionRepository;
+import kuit.springbasic.domain.Question;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.Model;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.servlet.ModelAndView;
+
+import java.util.Collection;
+
+@Controller
+@Slf4j
+@RequiredArgsConstructor
 public class HomeController {
 
+    private final QuestionRepository questionRepository;
     /**
      * TODO: showHome
      * showHomeV1 : parameter - HttpServletRequest, HttpServletResponse / return - ModelAndView
      * showHomeV2 : parameter - none / return - ModelAndView
      * showHomeV3 : parameter - Model / return - String
      */
+    //핸들러 매핑과 어뎁터 기능을 사용하기 위해
+    @RequestMapping("/homeV1")
+    public ModelAndView showHomeV1(HttpServletRequest request, HttpServletResponse response){
+      log.info("showHomeV1");
+      //뷰 이름 담아서 객체 생성해줌
+      ModelAndView mav=new ModelAndView("home");
+        Collection<Question> questions=questionRepository.findAll();
+        mav.addObject("questions",questions);
+        return mav;
+    }
+
+    @RequestMapping("/homeV2")
+    public ModelAndView showHomeV2(){
+        log.info("showHomeV2");
+        //뷰 이름 담아서 객체 생성해줌
+        ModelAndView mav=new ModelAndView("home");
+        Collection<Question> questions=questionRepository.findAll();
+        mav.addObject("questions",questions);
+        return mav;
+    }
+    @RequestMapping("/")
+    public String showHomeV3(Model model){
+        log.info("showHomeV3");
+        //뷰 이름 담아서 객체 생성해줌
+        Collection<Question> questions=questionRepository.findAll();
+        model.addAttribute("questions",questions);
+        //그냥 viewName으로 반환해도 RequestMapping이 어댑터 역할해서 mav로 반환해준다!!
+        return "home";
+    }
 
 }
diff --git a/src/main/java/kuit/springbasic/controller/LoginController.java b/src/main/java/kuit/springbasic/controller/LoginController.java
index 76bf4b2..a345fa4 100644
--- a/src/main/java/kuit/springbasic/controller/LoginController.java
+++ b/src/main/java/kuit/springbasic/controller/LoginController.java
@@ -1,14 +1,43 @@
 package kuit.springbasic.controller;
 
-public class LoginController {
+import jakarta.servlet.http.HttpServletRequest;
+import jakarta.servlet.http.HttpSession;
+import kuit.springbasic.db.UserRepository;
+import kuit.springbasic.domain.User;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.stereotype.Controller;
+import org.springframework.stereotype.Repository;
+import org.springframework.web.bind.annotation.*;
+
+import static kuit.springbasic.util.UserSessionUtils.USER_SESSION_KEY;
 
+@Slf4j
+@Controller
+@RequiredArgsConstructor
+@RequestMapping("/user")
+public class LoginController {
+    private final UserRepository userRepository;
     /**
      * TODO: showLoginForm
      */
+    //@RequestMapping(value="/loginForm",method = RequestMethod.GET)
+    @GetMapping("/loginForm")
+    public String showLoginForm(){
+        log.info("showLoginForm");
+        //login 파일에 닿아야 하니
+        return "/user/login";
+    }
+
 
     /**
      * TODO: showLoginFailed
      */
+    @RequestMapping("/loginFailed")
+    public String showLoginFailed(){
+        log.info("showLoginFailed");
+        return "/user/loginFailed";
+    }
 
     /**
      * TODO: login
@@ -18,8 +47,88 @@ public class LoginController {
      * loginV4 : @ModelAttribute
      */
 
+
+//    @RequestMapping("/user/login")
+    //키값을 지정해서데이터를 가져오는거임
+    public String loginV1(@RequestParam("userId") String userId,
+                          @RequestParam("password") String password,
+                          HttpServletRequest request){
+        log.info("loginV1");
+        User loggedUser =new User(userId,password);
+        User user=userRepository.findByUserId(userId);
+
+        if(user!=null&&user.isSameUser(loggedUser)){
+            HttpSession session =request.getSession();
+            session.setAttribute(USER_SESSION_KEY,loggedUser);
+            return "redirect:/";
+        }
+        return "redirect:/user/loginFailed";
+    }
+    //RequestParam은 만약 key 변수 값이 같으면 생략 가능 이렇게
+    //@RequestMapping("/user/login")
+    public String loginV2(@RequestParam String userId,
+                          @RequestParam String password,
+                          HttpServletRequest request){
+        log.info("loginV2");
+        User loggedUser =new User(userId,password);
+        User user=userRepository.findByUserId(userId);
+
+        if(user!=null&&user.isSameUser(loggedUser)){
+            HttpSession session =request.getSession();
+            session.setAttribute(USER_SESSION_KEY,loggedUser);
+            return "redirect:/";
+        }
+        return "redirect:/user/loginFailed";
+    }
+    //@RequestMapping("/user/login")
+    public String loginV3( String userId,
+                           String password,
+                          HttpServletRequest request){
+        log.info("loginV2");
+        User loggedUser =new User(userId,password);
+        User user=userRepository.findByUserId(userId);
+
+        if(user!=null&&user.isSameUser(loggedUser)){
+            HttpSession session =request.getSession();
+            session.setAttribute(USER_SESSION_KEY,loggedUser);
+            return "redirect:/";
+        }
+        return "redirect:/user/loginFailed";
+
+    }
+    //이렇게 그냥 모델로 받기도 가능ㄷㄷ
+    //@RequestMapping(value="/login",method = RequestMethod.POST)
+    //아래와 같이 간단하게 사용 가능
+    @PostMapping("/login")
+    public String loginV4(@ModelAttribute User loggedInUser,
+                          HttpServletRequest request){
+        log.info("loginV4");
+        User user = userRepository.findByUserId(loggedInUser.getUserId());
+
+        if(user !=null && user.isSameUser(loggedInUser)){
+            HttpSession session = request.getSession();
+            session.setAttribute(USER_SESSION_KEY,loggedInUser);
+            return "redirect:/";
+        }
+        return "redirect:/user/loginFailed";
+
+    }
     /**
+     *
      * TODO: logout
      */
+    @GetMapping("/logout")
+    public String logout(@ModelAttribute User loggedUser,
+                          HttpServletRequest request){
+        log.info("logout");
+
+        User user=userRepository.findByUserId(loggedUser.getUserId());
+
+        HttpSession session = request.getSession();
+        session.removeAttribute(USER_SESSION_KEY);
+
+
+        return "redirect:/";
+    }
 
 }
diff --git a/src/main/java/kuit/springbasic/controller/UserController.java b/src/main/java/kuit/springbasic/controller/UserController.java
index dde62b9..47d1403 100644
--- a/src/main/java/kuit/springbasic/controller/UserController.java
+++ b/src/main/java/kuit/springbasic/controller/UserController.java
@@ -1,10 +1,37 @@
 package kuit.springbasic.controller;
 
+import ch.qos.logback.core.model.Model;
+import jakarta.servlet.http.HttpServletRequest;
+import jakarta.servlet.http.HttpSession;
+import kuit.springbasic.db.MemoryUserRepository;
+import kuit.springbasic.db.UserRepository;
+import kuit.springbasic.domain.User;
+import kuit.springbasic.util.UserSessionUtils;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.*;
+
+import static kuit.springbasic.util.UserSessionUtils.USER_SESSION_KEY;
+
+@Slf4j
+@Controller
+@RequiredArgsConstructor
+@RequestMapping("/user")
 public class UserController {
 
+
+    private final UserRepository userRepository;
+
+
     /**
      * TODO: showUserForm
      */
+    @GetMapping("/form")
+    public String showUserForm(){
+        log.info("showLoginForm");
+        return "/user/form";
+    }
 
     /**
      * TODO: createUser
@@ -12,18 +39,87 @@ public class UserController {
      * createUserV2 : @ModelAttribute
      */
 
+    //@PostMapping("/signup")
+    public String createUserV1(@RequestParam String userId,
+                               @RequestParam String password,
+                               @RequestParam String name,
+                               @RequestParam String email){
+        log.info("createUserV1");
+        User user=new User(userId,password,name,email);
+        userRepository.insert(user);
+
+        return "redirect:/";
+    }
+    @RequestMapping("/signup")
+    public String createUserV2(@ModelAttribute User user){
+        log.info("createUserV2");
+        userRepository.insert(user);
+        return "redirect:/";
+    }
+
+
+
     /**
      * TODO: showUserList
      */
 
+    @GetMapping("/list")
+    public String showUserList(HttpServletRequest req){
+        log.info("showUserList");
+        HttpSession session = req.getSession();
+
+        if (UserSessionUtils.isLoggedIn(session)) {
+            req.setAttribute(USER_SESSION_KEY, userRepository.findAll());
+            return "/user/list";
+        }
+        return "/user/login";
+    }
+
+
     /**
      * TODO: showUserUpdateForm
      */
+    //왜인지 모르겟는데 자꾸 @RequestParam String userId 이런식으로 하면 누락되네
+    @GetMapping("/updateForm")
+    public String showUpdateForm(@RequestParam("userId") String userId,
+                                 HttpServletRequest request) {
+
+        HttpSession session = request.getSession();
+        User loginUser = (User) session.getAttribute("user");
+        User user = userRepository.findByUserId(userId);
+
+        if(user != null && user.isSameUser(loginUser)) {
+            return "/user/updateForm";
+        }
+
+        return "redirect:/";
+    }
 
     /**
      * TODO: updateUser
      * updateUserV1 : @RequestParam
      * updateUserV2 : @ModelAttribute
      */
+    //@RequestMapping("/update")
+    public String updateUserV1(@RequestParam("userId") String userId,
+                               @RequestParam("password") String password,
+                               @RequestParam("name") String name,
+                               @RequestParam("email") String email) {
+        log.info("updateUserV1");
+        User user = new User(userId, password, name, email);
+        userRepository.update(user);
+
+        return "redirect:/user/list";
+    }
+
+    @RequestMapping("/update")
+    public String updateUserV2(@ModelAttribute User updatedUser) {
+        log.info("updateUserV2");
+
+        User user = new User(updatedUser.getUserId(), updatedUser.getPassword(), updatedUser.getName(), updatedUser.getEmail());
+        userRepository.update(user);
+        return "redirect:/user/list";
+    }
+
 
 }
diff --git a/src/main/java/kuit/springbasic/controller/qna/QnaController.java b/src/main/java/kuit/springbasic/controller/qna/QnaController.java
index adb7a2b..d4768cc 100644
--- a/src/main/java/kuit/springbasic/controller/qna/QnaController.java
+++ b/src/main/java/kuit/springbasic/controller/qna/QnaController.java
@@ -1,9 +1,41 @@
 package kuit.springbasic.controller.qna;
 
+import jakarta.servlet.http.HttpServletRequest;
+import kuit.springbasic.db.AnswerRepository;
+import kuit.springbasic.db.QuestionRepository;
+import kuit.springbasic.domain.Answer;
+import kuit.springbasic.domain.Question;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+
+import java.util.Collection;
+
+@Slf4j
+@Controller
+@RequiredArgsConstructor
+@RequestMapping("/qna")
 public class QnaController {
+    private final QuestionRepository questionRepository;
+    private final AnswerRepository answerRepository;
 
     /**
      * TODO: showQnA
      */
 
+    // 왜 자꾸 이렇게 안 쓰면 에러?
+    @RequestMapping("/show")
+    public String showQnA(@RequestParam("questionId") int questionId,
+                          HttpServletRequest request){
+        log.info("showQnA");
+        Question question = questionRepository.findByQuestionId(questionId);
+        Collection<Answer> answers = answerRepository.findAllByQuestionId(questionId);
+        //설정
+        request.setAttribute("question", question);
+        request.setAttribute("answers", answers);
+        return "/qna/show";
+    }
+
 }
diff --git a/src/main/java/kuit/springbasic/controller/qna/QuestionController.java b/src/main/java/kuit/springbasic/controller/qna/QuestionController.java
index acf6673..0186302 100644
--- a/src/main/java/kuit/springbasic/controller/qna/QuestionController.java
+++ b/src/main/java/kuit/springbasic/controller/qna/QuestionController.java
@@ -1,17 +1,40 @@
 package kuit.springbasic.controller.qna;
 
+import jakarta.servlet.http.HttpServletRequest;
+import kuit.springbasic.domain.Answer;
+import kuit.springbasic.domain.Question;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+
+import java.util.Collection;
+
+@Slf4j
+@Controller
+@RequiredArgsConstructor
+@RequestMapping("/qna")
 public class QuestionController {
 
     /**
      * TODO: showQuestionForm
      */
 
+    @RequestMapping("/form")
+    public String showQuestionForm(){
+        log.info("showQuestionForm");
+        return "/qna/form";
+    }
+
     /**
      * TODO: createQuestion
      * createQuestionV1 : @RequestParam
      * createQuestionV2 : @ModelAttribute
      */
 
+
     /**
      * TODO: showUpdateQuestionForm
      * showUpdateQuestionFormV1 : @RequestParam, HttpServletRequest, Model
diff --git a/src/main/java/kuit/springbasic/db/JdbcUserRepository.java b/src/main/java/kuit/springbasic/db/JdbcUserRepository.java
new file mode 100644
index 0000000..df80a58
--- /dev/null
+++ b/src/main/java/kuit/springbasic/db/JdbcUserRepository.java
@@ -0,0 +1,32 @@
+package kuit.springbasic.db;
+
+import kuit.springbasic.domain.User;
+
+import java.util.Collection;
+
+public class JdbcUserRepository implements UserRepository{
+    @Override
+    public void insert(User user) {
+
+    }
+
+    @Override
+    public User findByUserId(String userId) {
+        return null;
+    }
+
+    @Override
+    public Collection<User> findAll() {
+        return null;
+    }
+
+    @Override
+    public void changeUserInfo(User user) {
+
+    }
+
+    @Override
+    public void update(User user) {
+
+    }
+}
diff --git a/src/main/java/kuit/springbasic/domain/Answer.java b/src/main/java/kuit/springbasic/domain/Answer.java
index 2f2c152..2e976e4 100644
--- a/src/main/java/kuit/springbasic/domain/Answer.java
+++ b/src/main/java/kuit/springbasic/domain/Answer.java
@@ -1,28 +1,21 @@
 package kuit.springbasic.domain;
 
 
+import lombok.*;
+
 import java.sql.Date;
 import java.time.LocalDate;
-
+@NoArgsConstructor
+@AllArgsConstructor
+@Getter
+@Setter
+@ToString
 public class Answer {
     private int answerId;
     private int questionId;
     private String writer;
     private String contents;
     private Date createdDate;
-
-    public Answer() {
-
-    }
-
-    public Answer(int answerId, int questionId, String writer, String contents, Date createdDate) {
-        this.answerId = answerId;
-        this.questionId = questionId;
-        this.writer = writer;
-        this.contents = contents;
-        this.createdDate = createdDate;
-    }
-
     public Answer(int questionId, String writer, String contents) {
         this.questionId = questionId;
         this.writer = writer;
@@ -30,54 +23,4 @@ public Answer(int questionId, String writer, String contents) {
         this.createdDate = Date.valueOf(LocalDate.now());
     }
 
-    public int getAnswerId() {
-        return answerId;
-    }
-
-    public void setAnswerId(int answerId) {
-        this.answerId = answerId;
-    }
-
-    public int getQuestionId() {
-        return questionId;
-    }
-
-    public void setQuestionId(int questionId) {
-        this.questionId = questionId;
-    }
-
-    public String getWriter() {
-        return writer;
-    }
-
-    public void setWriter(String writer) {
-        this.writer = writer;
-    }
-
-    public String getContents() {
-        return contents;
-    }
-
-    public void setContents(String contents) {
-        this.contents = contents;
-    }
-
-    public Date getCreatedDate() {
-        return createdDate;
-    }
-
-    public void setCreatedDate(Date createdDate) {
-        this.createdDate = createdDate;
-    }
-
-    @Override
-    public String toString() {
-        return "Answer{" +
-                "answerId=" + answerId +
-                ", questionId=" + questionId +
-                ", writer='" + writer + '\'' +
-                ", contents='" + contents + '\'' +
-                ", createdDate=" + createdDate +
-                '}';
-    }
 }
diff --git a/src/main/java/kuit/springbasic/domain/Question.java b/src/main/java/kuit/springbasic/domain/Question.java
index 11f7528..ed8f5c4 100644
--- a/src/main/java/kuit/springbasic/domain/Question.java
+++ b/src/main/java/kuit/springbasic/domain/Question.java
@@ -1,9 +1,16 @@
 package kuit.springbasic.domain;
 
 
+import lombok.*;
+
 import java.sql.Date;
 import java.time.LocalDate;
 
+@NoArgsConstructor
+@AllArgsConstructor
+@Getter
+@Setter
+@ToString
 public class Question {
     private int questionId;
     private String writer;
@@ -12,18 +19,6 @@ public class Question {
     private Date createdDate;
     private int countOfAnswer;
 
-    public Question() {
-
-    }
-
-    public Question(int questionId, String writer, String title, String contents, Date createdDate, int countOfAnswer) {
-        this.questionId = questionId;
-        this.writer = writer;
-        this.title = title;
-        this.contents = contents;
-        this.createdDate = createdDate;
-        this.countOfAnswer = countOfAnswer;
-    }
 
     public Question(String writer, String title, String contents, int countOfAnswer) {
         this.questionId = 0;
@@ -33,55 +28,6 @@ public Question(String writer, String title, String contents, int countOfAnswer)
         this.createdDate = Date.valueOf(LocalDate.now());
         this.countOfAnswer = countOfAnswer;
     }
-
-    public int getQuestionId() {
-        return questionId;
-    }
-
-    public void setQuestionId(int questionId) {
-        this.questionId = questionId;
-    }
-
-    public String getWriter() {
-        return writer;
-    }
-
-    public void setWriter(String writer) {
-        this.writer = writer;
-    }
-
-    public String getTitle() {
-        return title;
-    }
-
-    public void setTitle(String title) {
-        this.title = title;
-    }
-
-    public String getContents() {
-        return contents;
-    }
-
-    public void setContents(String contents) {
-        this.contents = contents;
-    }
-
-    public Date getCreatedDate() {
-        return createdDate;
-    }
-
-    public void setCreatedDate(Date createdDate) {
-        this.createdDate = createdDate;
-    }
-
-    public int getCountOfAnswer() {
-        return countOfAnswer;
-    }
-
-    public void setCountOfAnswer(int countOfAnswer) {
-        this.countOfAnswer = countOfAnswer;
-    }
-
     public void updateTitleAndContents(String title, String contents) {
         this.title = title;
         this.contents = contents;
@@ -110,15 +56,4 @@ public void update(Question question) {
         this.countOfAnswer = question.countOfAnswer;
     }
 
-    @Override
-    public String toString() {
-        return "Question{" +
-                "questionId=" + questionId +
-                ", writer='" + writer + '\'' +
-                ", title='" + title + '\'' +
-                ", contents='" + contents + '\'' +
-                ", createdDate=" + createdDate +
-                ", countOfAnswer=" + countOfAnswer +
-                '}';
-    }
 }
diff --git a/src/main/java/kuit/springbasic/domain/User.java b/src/main/java/kuit/springbasic/domain/User.java
index 0304f40..ddf9a5f 100644
--- a/src/main/java/kuit/springbasic/domain/User.java
+++ b/src/main/java/kuit/springbasic/domain/User.java
@@ -1,59 +1,22 @@
 package kuit.springbasic.domain;
 
+import lombok.*;
+
+@NoArgsConstructor
+@AllArgsConstructor
+@Getter
+@Setter
+@ToString
 public class User {
     private String userId;
     private String password;
     private String name;
     private String email;
-
-    public User() {
-
-    }
-
-    public User(String userId, String password, String name, String email) {
-        this.userId = userId;
-        this.password = password;
-        this.name = name;
-        this.email = email;
-    }
-
     public User(String userId, String password) {
         this.userId = userId;
         this.password = password;
     }
 
-    public String getUserId() {
-        return userId;
-    }
-
-    public void setUserId(String userId) {
-        this.userId = userId;
-    }
-
-    public String getPassword() {
-        return password;
-    }
-
-    public void setPassword(String password) {
-        this.password = password;
-    }
-
-    public String getName() {
-        return name;
-    }
-
-    public void setName(String name) {
-        this.name = name;
-    }
-
-    public String getEmail() {
-        return email;
-    }
-
-    public void setEmail(String email) {
-        this.email = email;
-    }
-
     public void update(User updateUser) {
         this.password = updateUser.password;
         this.name = updateUser.name;
@@ -76,13 +39,4 @@ public boolean isSameUser(String userId, String password) {
         return userId.equals(this.userId) && matchPassword(password);
     }
 
-    @Override
-    public String toString() {
-        return "User{" +
-                "userId='" + userId + '\'' +
-                ", password='" + password + '\'' +
-                ", name='" + name + '\'' +
-                ", email='" + email + '\'' +
-                '}';
-    }
 }
diff --git a/src/main/webapp/include/navigation.jspf b/src/main/webapp/include/navigation.jspf
index e88381a..766faec 100644
--- a/src/main/webapp/include/navigation.jspf
+++ b/src/main/webapp/include/navigation.jspf
@@ -43,10 +43,10 @@
                     <a href="/user/updateForm?userId=${sessionScope.user.userId}" role="button" class="btn btn-primary" >개인정보수정</a>
                 </c:when>
                 <c:otherwise>
-                    <a href="/user/login" type="button" class="btn btn-outline-primary me-2">Log-In</a>
+                    <a href="/user/loginForm" type="button" class="btn btn-outline-primary me-2">Log-In</a>
                     <a href="/user/form" type="button" class="btn btn-primary">Sign-up</a>
                 </c:otherwise>
             </c:choose>
         </div>
     </header>
-</div>
\ No newline at end of file
+</div>