diff --git a/spring/spring-example/src/main/java/com/example/demo/application/Q3Controller.java b/spring/spring-example/src/main/java/com/example/demo/application/Q3Controller.java
index 3fff67e..71ef594 100644
--- a/spring/spring-example/src/main/java/com/example/demo/application/Q3Controller.java
+++ b/spring/spring-example/src/main/java/com/example/demo/application/Q3Controller.java
@@ -1,6 +1,5 @@
 package com.example.demo.application;
 
-import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Controller;
 
 import com.example.demo.logic.Q3Logic;
@@ -8,10 +7,13 @@ import com.example.demo.service.Q3Service;
 
 @Controller
 public class Q3Controller {
-	@Autowired
-	Q3Service ser;
-	@Autowired
-	Q3Logic log;
+	private final Q3Service ser;
+	private final Q3Logic log;
+
+	public Q3Controller(Q3Service ser, Q3Logic log) {
+		this.ser = ser;
+		this.log = log;
+	}
 
 	public String usernameSearch(String mail, String pass) {
 		if (mail.length() > 256) {
diff --git a/spring/spring-example/src/main/java/com/example/demo/persistence/EmployeeRepository.java b/spring/spring-example/src/main/java/com/example/demo/persistence/EmployeeRepository.java
index b86de2d..72a01f4 100644
--- a/spring/spring-example/src/main/java/com/example/demo/persistence/EmployeeRepository.java
+++ b/spring/spring-example/src/main/java/com/example/demo/persistence/EmployeeRepository.java
@@ -1,5 +1,7 @@
 package com.example.demo.persistence;
 
+import java.util.List;
+
 import org.springframework.data.jpa.repository.JpaRepository;
 import org.springframework.stereotype.Repository;
 
@@ -8,4 +10,5 @@ import com.example.demo.domain.Employee;
 @Repository
 public interface EmployeeRepository extends JpaRepository<Employee, Integer> {
 
+	public List<Employee> findAll();
 }
diff --git a/spring/spring-example/src/main/java/com/example/demo/presentation/Q3View.java b/spring/spring-example/src/main/java/com/example/demo/presentation/Q3View.java
index 1fe6476..ef7fcd1 100644
--- a/spring/spring-example/src/main/java/com/example/demo/presentation/Q3View.java
+++ b/spring/spring-example/src/main/java/com/example/demo/presentation/Q3View.java
@@ -2,15 +2,19 @@ package com.example.demo.presentation;
 
 import java.util.Scanner;
 
-import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Component;
 
 import com.example.demo.application.Q3Controller;
 
 @Component
 public class Q3View {
-	@Autowired
-	Q3Controller con;
+
+	private final Q3Controller con;
+
+	public Q3View(Q3Controller con) {
+		this.con = con;
+	}
+
 	Scanner scan = new Scanner(System.in);
 
 	public void usernameSearch() {
diff --git a/spring/spring-example/src/main/java/com/example/demo/service/Q3Service.java b/spring/spring-example/src/main/java/com/example/demo/service/Q3Service.java
index aac44fe..e6037b4 100644
--- a/spring/spring-example/src/main/java/com/example/demo/service/Q3Service.java
+++ b/spring/spring-example/src/main/java/com/example/demo/service/Q3Service.java
@@ -2,7 +2,6 @@ package com.example.demo.service;
 
 import java.util.List;
 
-import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 
 import com.example.demo.domain.Employee;
@@ -10,9 +9,12 @@ import com.example.demo.persistence.EmployeeRepository;
 
 @Service
 public class Q3Service {
-	@Autowired
 	EmployeeRepository empre;
 
+	public Q3Service(EmployeeRepository empre) {
+		this.empre = empre;
+	}
+
 	public List<Employee> allDateGet() {
 		return empre.findAll();
 	}