From 5ef110fae87e4356f12b0798dbec173bbedf2fe2 Mon Sep 17 00:00:00 2001
From: Oniqued <zktl3575@gmail.com>
Date: Thu, 23 Nov 2023 20:12:27 +0900
Subject: [PATCH 1/6] =?UTF-8?q?=EC=B4=88=EA=B8=B0=20=EC=BB=A4=EB=B0=8B?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .gitignore                          | 29 +++++++++++++++
 .idea/.gitignore                    |  8 ++++
 .idea/jpa-buddy.xml                 |  6 +++
 .idea/misc.xml                      |  9 +++++
 .idea/modules.xml                   |  8 ++++
 .idea/vcs.xml                       |  6 +++
 src/Main.java                       |  5 +++
 vending-machine.iml                 | 11 ++++++
 vending-machine/.idea/vcs.xml       |  7 ++++
 vending-machine/.idea/workspace.xml | 57 +++++++++++++++++++++++++++++
 10 files changed, 146 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 .idea/.gitignore
 create mode 100644 .idea/jpa-buddy.xml
 create mode 100644 .idea/misc.xml
 create mode 100644 .idea/modules.xml
 create mode 100644 .idea/vcs.xml
 create mode 100644 src/Main.java
 create mode 100644 vending-machine.iml
 create mode 100644 vending-machine/.idea/vcs.xml
 create mode 100644 vending-machine/.idea/workspace.xml

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..f68d109
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,29 @@
+### IntelliJ IDEA ###
+out/
+!**/src/main/**/out/
+!**/src/test/**/out/
+
+### Eclipse ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+bin/
+!**/src/main/**/bin/
+!**/src/test/**/bin/
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+
+### VS Code ###
+.vscode/
+
+### Mac OS ###
+.DS_Store
\ No newline at end of file
diff --git a/.idea/.gitignore b/.idea/.gitignore
new file mode 100644
index 0000000..c3f502a
--- /dev/null
+++ b/.idea/.gitignore
@@ -0,0 +1,8 @@
+# 디폴트 무시된 파일
+/shelf/
+/workspace.xml
+# 에디터 기반 HTTP 클라이언트 요청
+/httpRequests/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml
diff --git a/.idea/jpa-buddy.xml b/.idea/jpa-buddy.xml
new file mode 100644
index 0000000..966d5f5
--- /dev/null
+++ b/.idea/jpa-buddy.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="JpaBuddyIdeaProjectConfig">
+    <option name="renamerInitialized" value="true" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/misc.xml b/.idea/misc.xml
new file mode 100644
index 0000000..8210f62
--- /dev/null
+++ b/.idea/misc.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_17" default="true" project-jdk-name="corretto-17" project-jdk-type="JavaSDK">
+    <output url="file://$PROJECT_DIR$/out" />
+  </component>
+  <component name="ProjectType">
+    <option name="id" value="jpab" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/modules.xml b/.idea/modules.xml
new file mode 100644
index 0000000..ece9f84
--- /dev/null
+++ b/.idea/modules.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/vending-machine.iml" filepath="$PROJECT_DIR$/vending-machine.iml" />
+    </modules>
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/vcs.xml b/.idea/vcs.xml
new file mode 100644
index 0000000..94a25f7
--- /dev/null
+++ b/.idea/vcs.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/src/Main.java b/src/Main.java
new file mode 100644
index 0000000..3e59c38
--- /dev/null
+++ b/src/Main.java
@@ -0,0 +1,5 @@
+public class Main {
+    public static void main(String[] args) {
+        System.out.println("Hello world!");
+    }
+}
\ No newline at end of file
diff --git a/vending-machine.iml b/vending-machine.iml
new file mode 100644
index 0000000..c90834f
--- /dev/null
+++ b/vending-machine.iml
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>
\ No newline at end of file
diff --git a/vending-machine/.idea/vcs.xml b/vending-machine/.idea/vcs.xml
new file mode 100644
index 0000000..288b36b
--- /dev/null
+++ b/vending-machine/.idea/vcs.xml
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$/.." vcs="Git" />
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/vending-machine/.idea/workspace.xml b/vending-machine/.idea/workspace.xml
new file mode 100644
index 0000000..e4d14f7
--- /dev/null
+++ b/vending-machine/.idea/workspace.xml
@@ -0,0 +1,57 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="AutoImportSettings">
+    <option name="autoReloadType" value="SELECTIVE" />
+  </component>
+  <component name="ChangeListManager">
+    <list default="true" id="5dcab06c-87da-4133-a178-f020f684a45e" name="변경" comment="" />
+    <option name="SHOW_DIALOG" value="false" />
+    <option name="HIGHLIGHT_CONFLICTS" value="true" />
+    <option name="HIGHLIGHT_NON_ACTIVE_CHANGELIST" value="false" />
+    <option name="LAST_RESOLUTION" value="IGNORE" />
+  </component>
+  <component name="Git.Settings">
+    <option name="RECENT_GIT_ROOT_PATH" value="$PROJECT_DIR$/.." />
+  </component>
+  <component name="MarkdownSettingsMigration">
+    <option name="stateVersion" value="1" />
+  </component>
+  <component name="ProjectColorInfo">{
+  &quot;associatedIndex&quot;: 5
+}</component>
+  <component name="ProjectId" id="2YZ4i7UFDJ2N85X0auIPBPU1bF9" />
+  <component name="ProjectViewState">
+    <option name="abbreviatePackageNames" value="true" />
+    <option name="hideEmptyMiddlePackages" value="true" />
+    <option name="showLibraryContents" value="true" />
+  </component>
+  <component name="PropertiesComponent">{
+  &quot;keyToString&quot;: {
+    &quot;RunOnceActivity.OpenProjectViewOnStart&quot;: &quot;true&quot;,
+    &quot;RunOnceActivity.ShowReadmeOnStart&quot;: &quot;true&quot;,
+    &quot;WebServerToolWindowFactoryState&quot;: &quot;false&quot;,
+    &quot;node.js.detected.package.eslint&quot;: &quot;true&quot;,
+    &quot;node.js.detected.package.tslint&quot;: &quot;true&quot;,
+    &quot;node.js.selected.package.eslint&quot;: &quot;(autodetect)&quot;,
+    &quot;node.js.selected.package.tslint&quot;: &quot;(autodetect)&quot;,
+    &quot;nodejs_package_manager_path&quot;: &quot;npm&quot;,
+    &quot;vue.rearranger.settings.migration&quot;: &quot;true&quot;
+  }
+}</component>
+  <component name="SpellCheckerSettings" RuntimeDictionaries="0" Folders="0" CustomDictionaries="0" DefaultDictionary="애플리케이션 수준" UseSingleDictionary="true" transferred="true" />
+  <component name="TaskManager">
+    <task active="true" id="Default" summary="디폴트 작업">
+      <changelist id="5dcab06c-87da-4133-a178-f020f684a45e" name="변경" comment="" />
+      <created>1700719892270</created>
+      <option name="number" value="Default" />
+      <option name="presentableId" value="Default" />
+      <updated>1700719892270</updated>
+      <workItem from="1700719893294" duration="1295000" />
+      <workItem from="1700737381019" duration="300000" />
+    </task>
+    <servers />
+  </component>
+  <component name="TypeScriptGeneratedFilesManager">
+    <option name="version" value="3" />
+  </component>
+</project>
\ No newline at end of file

From 37af81aa0062bc2b20cff63c096a7032dd7262ed Mon Sep 17 00:00:00 2001
From: Oniqued <zktl3575@gmail.com>
Date: Thu, 23 Nov 2023 20:24:29 +0900
Subject: [PATCH 2/6] =?UTF-8?q?=EC=B4=88=EA=B8=B0=20=ED=8E=98=EC=9D=B4?=
 =?UTF-8?q?=EC=A7=80=20=EC=88=98=EC=A0=95?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/Main.java                       | 2 +-
 vending-machine/.idea/workspace.xml | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/Main.java b/src/Main.java
index 3e59c38..a9fde25 100644
--- a/src/Main.java
+++ b/src/Main.java
@@ -1,5 +1,5 @@
 public class Main {
     public static void main(String[] args) {
-        System.out.println("Hello world!");
+        System.out.println("Hello 자판기!");
     }
 }
\ No newline at end of file
diff --git a/vending-machine/.idea/workspace.xml b/vending-machine/.idea/workspace.xml
index e4d14f7..ba90175 100644
--- a/vending-machine/.idea/workspace.xml
+++ b/vending-machine/.idea/workspace.xml
@@ -47,7 +47,7 @@
       <option name="presentableId" value="Default" />
       <updated>1700719892270</updated>
       <workItem from="1700719893294" duration="1295000" />
-      <workItem from="1700737381019" duration="300000" />
+      <workItem from="1700737381019" duration="598000" />
     </task>
     <servers />
   </component>

From bb514dcf476f811da293289b9922386a68ebfcc8 Mon Sep 17 00:00:00 2001
From: Oniqued <zktl3575@gmail.com>
Date: Sat, 25 Nov 2023 17:27:35 +0900
Subject: [PATCH 3/6] =?UTF-8?q?=EC=83=81=ED=92=88=20=EB=A6=AC=ED=8F=AC?=
 =?UTF-8?q?=EC=A7=80=ED=86=A0=EB=A6=AC=20=EC=83=9D=EC=84=B1?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/Main.java                             |  4 +++
 src/domain/Product.java                   | 30 ++++++++++++++++++
 src/domain/Temperature.java               |  5 +++
 src/repository/ProductRepository.java     | 17 ++++++++++
 src/repository/ProductRepositoryImpl.java | 38 +++++++++++++++++++++++
 src/service/ProductService.java           |  5 +++
 src/service/ProductServiceImpl.java       | 14 +++++++++
 vending-machine/.idea/vcs.xml             |  1 -
 vending-machine/.idea/workspace.xml       |  6 +++-
 9 files changed, 118 insertions(+), 2 deletions(-)
 create mode 100644 src/domain/Product.java
 create mode 100644 src/domain/Temperature.java
 create mode 100644 src/repository/ProductRepository.java
 create mode 100644 src/repository/ProductRepositoryImpl.java
 create mode 100644 src/service/ProductService.java
 create mode 100644 src/service/ProductServiceImpl.java

diff --git a/src/Main.java b/src/Main.java
index a9fde25..a20b266 100644
--- a/src/Main.java
+++ b/src/Main.java
@@ -1,5 +1,9 @@
 public class Main {
+
+
     public static void main(String[] args) {
         System.out.println("Hello 자판기!");
+
+
     }
 }
\ No newline at end of file
diff --git a/src/domain/Product.java b/src/domain/Product.java
new file mode 100644
index 0000000..0507c5d
--- /dev/null
+++ b/src/domain/Product.java
@@ -0,0 +1,30 @@
+package domain;
+
+public class Product {
+    private Long productId;
+    private Temperature temperature;
+    private String productName;
+    private Integer cost;
+
+    public Product(Temperature temperature, String productName, Integer cost) {
+        this.temperature = temperature;
+        this.productName = productName;
+        this.cost = cost;
+    }
+
+    public void setProductId(Long productId) {
+        this.productId = productId;
+    }
+
+    public Temperature getTemperture() {
+        return temperature;
+    }
+
+    public String getProductName() {
+        return productName;
+    }
+
+    public Integer getCost() {
+        return cost;
+    }
+}
diff --git a/src/domain/Temperature.java b/src/domain/Temperature.java
new file mode 100644
index 0000000..45addcf
--- /dev/null
+++ b/src/domain/Temperature.java
@@ -0,0 +1,5 @@
+package domain;
+
+public enum Temperature {
+    COLD, HOT;
+}
diff --git a/src/repository/ProductRepository.java b/src/repository/ProductRepository.java
new file mode 100644
index 0000000..672284a
--- /dev/null
+++ b/src/repository/ProductRepository.java
@@ -0,0 +1,17 @@
+package repository;
+
+import domain.Product;
+
+import java.util.List;
+
+public interface ProductRepository {
+    void add(Product product);
+
+    void delete(Long productId);
+
+    Product get(Long productId);
+
+    List<Product> getColdProducts();
+
+    List<Product> getHotProducts();
+}
diff --git a/src/repository/ProductRepositoryImpl.java b/src/repository/ProductRepositoryImpl.java
new file mode 100644
index 0000000..b0b16b0
--- /dev/null
+++ b/src/repository/ProductRepositoryImpl.java
@@ -0,0 +1,38 @@
+package repository;
+
+import domain.Product;
+
+import java.util.*;
+
+public class ProductRepositoryImpl implements ProductRepository {
+    private Map<Long, Product> products = new HashMap<>();
+    private Long productId = 1L;
+
+    @Override
+    public void add(Product product) {
+        product.setProductId(productId);
+        products.put(productId++, product);
+    }
+
+    @Override
+    public void delete(Long productId) {
+        products.remove(productId);
+    }
+
+    @Override
+    public Product get(Long productId) {
+        return products.get(productId);
+    }
+
+    @Override
+    public List<Product> getColdProducts() {
+        List<Product> coldProducts = new ArrayList<>();
+        Iterator<>
+        return null;
+    }
+
+    @Override
+    public List<Product> getHotProducts() {
+        return null;
+    }
+}
diff --git a/src/service/ProductService.java b/src/service/ProductService.java
new file mode 100644
index 0000000..5cf4919
--- /dev/null
+++ b/src/service/ProductService.java
@@ -0,0 +1,5 @@
+package service;
+
+public interface ProductService {
+    void
+}
diff --git a/src/service/ProductServiceImpl.java b/src/service/ProductServiceImpl.java
new file mode 100644
index 0000000..d8939b0
--- /dev/null
+++ b/src/service/ProductServiceImpl.java
@@ -0,0 +1,14 @@
+package service;
+
+import repository.ProductRepository;
+import repository.ProductRepositoryImpl;
+
+public class ProductServiceImpl implements ProductService{
+    private ProductRepository productRepository;
+
+    public ProductServiceImpl(ProductRepository productRepository) {
+        this.productRepository = new ProductRepositoryImpl();
+    }
+
+
+}
diff --git a/vending-machine/.idea/vcs.xml b/vending-machine/.idea/vcs.xml
index 288b36b..6c0b863 100644
--- a/vending-machine/.idea/vcs.xml
+++ b/vending-machine/.idea/vcs.xml
@@ -2,6 +2,5 @@
 <project version="4">
   <component name="VcsDirectoryMappings">
     <mapping directory="$PROJECT_DIR$/.." vcs="Git" />
-    <mapping directory="$PROJECT_DIR$" vcs="Git" />
   </component>
 </project>
\ No newline at end of file
diff --git a/vending-machine/.idea/workspace.xml b/vending-machine/.idea/workspace.xml
index ba90175..0feae5f 100644
--- a/vending-machine/.idea/workspace.xml
+++ b/vending-machine/.idea/workspace.xml
@@ -4,7 +4,10 @@
     <option name="autoReloadType" value="SELECTIVE" />
   </component>
   <component name="ChangeListManager">
-    <list default="true" id="5dcab06c-87da-4133-a178-f020f684a45e" name="변경" comment="" />
+    <list default="true" id="5dcab06c-87da-4133-a178-f020f684a45e" name="변경" comment="">
+      <change beforePath="$PROJECT_DIR$/.idea/vcs.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/vcs.xml" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
+    </list>
     <option name="SHOW_DIALOG" value="false" />
     <option name="HIGHLIGHT_CONFLICTS" value="true" />
     <option name="HIGHLIGHT_NON_ACTIVE_CHANGELIST" value="false" />
@@ -48,6 +51,7 @@
       <updated>1700719892270</updated>
       <workItem from="1700719893294" duration="1295000" />
       <workItem from="1700737381019" duration="598000" />
+      <workItem from="1700794667170" duration="602000" />
     </task>
     <servers />
   </component>

From f24e61fd0e3c49bb99f0d9ba38eaef849e35906e Mon Sep 17 00:00:00 2001
From: Oniqued <zktl3575@gmail.com>
Date: Sat, 25 Nov 2023 18:26:55 +0900
Subject: [PATCH 4/6] =?UTF-8?q?=EC=9D=8C=EB=A3=8C=20=EC=83=9D=EC=84=B1,=20?=
 =?UTF-8?q?=EC=9D=8C=EB=A3=8C=20=EC=A1=B0=ED=9A=8C,=20=EC=9D=8C=EB=A3=8C?=
 =?UTF-8?q?=20=EC=82=AD=EC=A0=9C=20=EA=B8=B0=EB=8A=A5=20=EA=B5=AC=ED=98=84?=
 =?UTF-8?q?=20=EC=99=84=EB=A3=8C?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .idea/uiDesigner.xml                      | 124 ++++++++++++++++++++++
 src/Main.java                             |  26 ++++-
 src/domain/Product.java                   |   5 +
 src/repository/ProductRepository.java     |   6 +-
 src/repository/ProductRepositoryImpl.java |  14 +--
 src/service/ProductService.java           |  13 ++-
 src/service/ProductServiceImpl.java       |  32 +++++-
 7 files changed, 203 insertions(+), 17 deletions(-)
 create mode 100644 .idea/uiDesigner.xml

diff --git a/.idea/uiDesigner.xml b/.idea/uiDesigner.xml
new file mode 100644
index 0000000..2b63946
--- /dev/null
+++ b/.idea/uiDesigner.xml
@@ -0,0 +1,124 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="Palette2">
+    <group name="Swing">
+      <item class="com.intellij.uiDesigner.HSpacer" tooltip-text="Horizontal Spacer" icon="/com/intellij/uiDesigner/icons/hspacer.svg" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="1" hsize-policy="6" anchor="0" fill="1" />
+      </item>
+      <item class="com.intellij.uiDesigner.VSpacer" tooltip-text="Vertical Spacer" icon="/com/intellij/uiDesigner/icons/vspacer.svg" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="6" hsize-policy="1" anchor="0" fill="2" />
+      </item>
+      <item class="javax.swing.JPanel" icon="/com/intellij/uiDesigner/icons/panel.svg" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="3" hsize-policy="3" anchor="0" fill="3" />
+      </item>
+      <item class="javax.swing.JScrollPane" icon="/com/intellij/uiDesigner/icons/scrollPane.svg" removable="false" auto-create-binding="false" can-attach-label="true">
+        <default-constraints vsize-policy="7" hsize-policy="7" anchor="0" fill="3" />
+      </item>
+      <item class="javax.swing.JButton" icon="/com/intellij/uiDesigner/icons/button.svg" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="3" anchor="0" fill="1" />
+        <initial-values>
+          <property name="text" value="Button" />
+        </initial-values>
+      </item>
+      <item class="javax.swing.JRadioButton" icon="/com/intellij/uiDesigner/icons/radioButton.svg" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="3" anchor="8" fill="0" />
+        <initial-values>
+          <property name="text" value="RadioButton" />
+        </initial-values>
+      </item>
+      <item class="javax.swing.JCheckBox" icon="/com/intellij/uiDesigner/icons/checkBox.svg" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="3" anchor="8" fill="0" />
+        <initial-values>
+          <property name="text" value="CheckBox" />
+        </initial-values>
+      </item>
+      <item class="javax.swing.JLabel" icon="/com/intellij/uiDesigner/icons/label.svg" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="0" anchor="8" fill="0" />
+        <initial-values>
+          <property name="text" value="Label" />
+        </initial-values>
+      </item>
+      <item class="javax.swing.JTextField" icon="/com/intellij/uiDesigner/icons/textField.svg" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1">
+          <preferred-size width="150" height="-1" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JPasswordField" icon="/com/intellij/uiDesigner/icons/passwordField.svg" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1">
+          <preferred-size width="150" height="-1" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JFormattedTextField" icon="/com/intellij/uiDesigner/icons/formattedTextField.svg" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1">
+          <preferred-size width="150" height="-1" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JTextArea" icon="/com/intellij/uiDesigner/icons/textArea.svg" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3">
+          <preferred-size width="150" height="50" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JTextPane" icon="/com/intellij/uiDesigner/icons/textPane.svg" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3">
+          <preferred-size width="150" height="50" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JEditorPane" icon="/com/intellij/uiDesigner/icons/editorPane.svg" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3">
+          <preferred-size width="150" height="50" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JComboBox" icon="/com/intellij/uiDesigner/icons/comboBox.svg" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="0" hsize-policy="2" anchor="8" fill="1" />
+      </item>
+      <item class="javax.swing.JTable" icon="/com/intellij/uiDesigner/icons/table.svg" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3">
+          <preferred-size width="150" height="50" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JList" icon="/com/intellij/uiDesigner/icons/list.svg" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="6" hsize-policy="2" anchor="0" fill="3">
+          <preferred-size width="150" height="50" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JTree" icon="/com/intellij/uiDesigner/icons/tree.svg" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3">
+          <preferred-size width="150" height="50" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JTabbedPane" icon="/com/intellij/uiDesigner/icons/tabbedPane.svg" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="3" hsize-policy="3" anchor="0" fill="3">
+          <preferred-size width="200" height="200" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JSplitPane" icon="/com/intellij/uiDesigner/icons/splitPane.svg" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="3" hsize-policy="3" anchor="0" fill="3">
+          <preferred-size width="200" height="200" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JSpinner" icon="/com/intellij/uiDesigner/icons/spinner.svg" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1" />
+      </item>
+      <item class="javax.swing.JSlider" icon="/com/intellij/uiDesigner/icons/slider.svg" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1" />
+      </item>
+      <item class="javax.swing.JSeparator" icon="/com/intellij/uiDesigner/icons/separator.svg" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3" />
+      </item>
+      <item class="javax.swing.JProgressBar" icon="/com/intellij/uiDesigner/icons/progressbar.svg" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="6" anchor="0" fill="1" />
+      </item>
+      <item class="javax.swing.JToolBar" icon="/com/intellij/uiDesigner/icons/toolbar.svg" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="6" anchor="0" fill="1">
+          <preferred-size width="-1" height="20" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JToolBar$Separator" icon="/com/intellij/uiDesigner/icons/toolbarSeparator.svg" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="0" anchor="0" fill="1" />
+      </item>
+      <item class="javax.swing.JScrollBar" icon="/com/intellij/uiDesigner/icons/scrollbar.svg" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="6" hsize-policy="0" anchor="0" fill="2" />
+      </item>
+    </group>
+  </component>
+</project>
\ No newline at end of file
diff --git a/src/Main.java b/src/Main.java
index a20b266..242dc5f 100644
--- a/src/Main.java
+++ b/src/Main.java
@@ -1,9 +1,33 @@
-public class Main {
+import domain.Product;
+import domain.Temperature;
+import repository.ProductRepository;
+import service.ProductService;
+import service.ProductServiceImpl;
+
+import java.util.List;
 
+public class Main {
+    private static ProductService productService;
 
     public static void main(String[] args) {
+        initialize();
+
         System.out.println("Hello 자판기!");
+        
+    }
+
+    public static void initialize() {
+        productService = new ProductServiceImpl();
 
+        initData();
+    }
 
+    public static void initData() {
+        Product product1 = new Product(Temperature.COLD, "스프라이트", 1500);
+        productService.addProduct(product1);
+        Product product2 = new Product(Temperature.COLD, "코카콜라", 1500);
+        productService.addProduct(product2);
+        Product product3 = new Product(Temperature.COLD, "솔의 눈", 1500);
+        productService.addProduct(product3);
     }
 }
\ No newline at end of file
diff --git a/src/domain/Product.java b/src/domain/Product.java
index 0507c5d..0c7e410 100644
--- a/src/domain/Product.java
+++ b/src/domain/Product.java
@@ -27,4 +27,9 @@ public String getProductName() {
     public Integer getCost() {
         return cost;
     }
+
+    @Override
+    public String toString() {
+        return String.format("[%d] %s : %d\n", productId, productName, cost);
+    }
 }
diff --git a/src/repository/ProductRepository.java b/src/repository/ProductRepository.java
index 672284a..f6ddb46 100644
--- a/src/repository/ProductRepository.java
+++ b/src/repository/ProductRepository.java
@@ -9,9 +9,7 @@ public interface ProductRepository {
 
     void delete(Long productId);
 
-    Product get(Long productId);
+    Product findByProductId(Long productId);
 
-    List<Product> getColdProducts();
-
-    List<Product> getHotProducts();
+    List<Product> findAllProducts();
 }
diff --git a/src/repository/ProductRepositoryImpl.java b/src/repository/ProductRepositoryImpl.java
index b0b16b0..452a689 100644
--- a/src/repository/ProductRepositoryImpl.java
+++ b/src/repository/ProductRepositoryImpl.java
@@ -1,6 +1,7 @@
 package repository;
 
 import domain.Product;
+import domain.Temperature;
 
 import java.util.*;
 
@@ -20,19 +21,12 @@ public void delete(Long productId) {
     }
 
     @Override
-    public Product get(Long productId) {
+    public Product findByProductId(Long productId) {
         return products.get(productId);
     }
 
     @Override
-    public List<Product> getColdProducts() {
-        List<Product> coldProducts = new ArrayList<>();
-        Iterator<>
-        return null;
-    }
-
-    @Override
-    public List<Product> getHotProducts() {
-        return null;
+    public List<Product> findAllProducts() {
+        return new ArrayList<>(products.values());
     }
 }
diff --git a/src/service/ProductService.java b/src/service/ProductService.java
index 5cf4919..02bbbb9 100644
--- a/src/service/ProductService.java
+++ b/src/service/ProductService.java
@@ -1,5 +1,16 @@
 package service;
 
+import domain.Product;
+import domain.Temperature;
+
+import java.util.List;
+
 public interface ProductService {
-    void
+    void addProduct(Product product);
+
+    Product getProductByProductId(Long productId);
+
+    void deleteByProductId(Long productId);
+
+    List<Product> getProductsByTemperature(Temperature temperature);
 }
diff --git a/src/service/ProductServiceImpl.java b/src/service/ProductServiceImpl.java
index d8939b0..1172282 100644
--- a/src/service/ProductServiceImpl.java
+++ b/src/service/ProductServiceImpl.java
@@ -1,14 +1,44 @@
 package service;
 
+import domain.Product;
+import domain.Temperature;
 import repository.ProductRepository;
 import repository.ProductRepositoryImpl;
 
+import java.util.ArrayList;
+import java.util.List;
+
 public class ProductServiceImpl implements ProductService{
     private ProductRepository productRepository;
 
-    public ProductServiceImpl(ProductRepository productRepository) {
+    public ProductServiceImpl() {
         this.productRepository = new ProductRepositoryImpl();
     }
 
+    @Override
+    public void addProduct(Product product) {
+        productRepository.add(product);
+    }
+
+    @Override
+    public Product getProductByProductId(Long productId) {
+        return productRepository.findByProductId(productId);
+    }
 
+    @Override
+    public void deleteByProductId(Long productId) {
+        productRepository.delete(productId);
+    }
+
+    @Override
+    public List<Product> getProductsByTemperature(Temperature temperature) {
+        List<Product> productList = productRepository.findAllProducts();
+        List<Product> filteredProductList = new ArrayList<>();
+        for (Product product : productList) {
+            if (product.getTemperture() == temperature) {
+                filteredProductList.add(product);
+            }
+        }
+        return filteredProductList;
+    }
 }

From 31a6f800530460c1d2da5304dfca677d7fc207cc Mon Sep 17 00:00:00 2001
From: Oniqued <zktl3575@gmail.com>
Date: Sat, 25 Nov 2023 22:10:49 +0900
Subject: [PATCH 5/6] =?UTF-8?q?=EC=9D=8C=EB=A3=8C=20=EC=B9=B4=EB=93=9C=20?=
 =?UTF-8?q?=EA=B2=B0=EC=A0=9C=20=EC=84=B1=EA=B3=B5?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/Main.java                       |  39 ++++++++---
 src/domain/MoneyType.java           |  23 +++++++
 src/domain/PaymentMethod.java       |  17 +++++
 src/domain/Product.java             |   4 ++
 src/domain/Temperature.java         |  12 +++-
 src/domain/UserType.java            |   5 ++
 src/service/AdminService.java       |   5 ++
 src/service/AdminServiceImpl.java   |  13 ++++
 src/service/UserService.java        |  15 ++++
 src/service/UserServiceImpl.java    |  79 +++++++++++++++++++++
 src/util/message/SystemMessage.java | 103 ++++++++++++++++++++++++++++
 11 files changed, 304 insertions(+), 11 deletions(-)
 create mode 100644 src/domain/MoneyType.java
 create mode 100644 src/domain/PaymentMethod.java
 create mode 100644 src/domain/UserType.java
 create mode 100644 src/service/AdminService.java
 create mode 100644 src/service/AdminServiceImpl.java
 create mode 100644 src/service/UserService.java
 create mode 100644 src/service/UserServiceImpl.java
 create mode 100644 src/util/message/SystemMessage.java

diff --git a/src/Main.java b/src/Main.java
index 242dc5f..00ce56c 100644
--- a/src/Main.java
+++ b/src/Main.java
@@ -1,33 +1,52 @@
 import domain.Product;
-import domain.Temperature;
-import repository.ProductRepository;
-import service.ProductService;
-import service.ProductServiceImpl;
+import domain.UserType;
+import service.*;
+import util.message.SystemMessage;
 
-import java.util.List;
+import static domain.Temperature.*;
+import static domain.UserType.*;
 
 public class Main {
     private static ProductService productService;
+    private static SystemMessage systemMessage;
+    private static UserService userService;
+    private static AdminService adminService;
 
     public static void main(String[] args) {
+        UserType user = USER;
         initialize();
+        systemMessage.welcome();
+        String input;
+        input = systemMessage.inputMessage(user);
+        if (input.equals("admin")) {
+            user = ADMIN;
+        }
+        systemMessage.printTemperatureMenu();
+        userService.selectTemperature(systemMessage.inputMessage(user));
+        Product product = userService.selectProduct(systemMessage.inputMessage(user));
 
-        System.out.println("Hello 자판기!");
-        
+        systemMessage.printPaymentMethodMenu();
+
+        userService.selectPaymentMethod(systemMessage.inputMessage(user), product);
     }
 
     public static void initialize() {
         productService = new ProductServiceImpl();
+        systemMessage = new SystemMessage();
+        userService = new UserServiceImpl(productService, systemMessage);
+        adminService = new AdminServiceImpl(productService, systemMessage);
 
         initData();
     }
 
     public static void initData() {
-        Product product1 = new Product(Temperature.COLD, "스프라이트", 1500);
+        Product product1 = new Product(COLD, "스프라이트", 1500);
         productService.addProduct(product1);
-        Product product2 = new Product(Temperature.COLD, "코카콜라", 1500);
+        Product product2 = new Product(COLD, "코카콜라", 1500);
         productService.addProduct(product2);
-        Product product3 = new Product(Temperature.COLD, "솔의 눈", 1500);
+        Product product3 = new Product(COLD, "솔의 눈", 1500);
         productService.addProduct(product3);
+        Product product4 = new Product(HOT, "팥죽", 1500);
+        productService.addProduct(product4);
     }
 }
\ No newline at end of file
diff --git a/src/domain/MoneyType.java b/src/domain/MoneyType.java
new file mode 100644
index 0000000..f9fa9b8
--- /dev/null
+++ b/src/domain/MoneyType.java
@@ -0,0 +1,23 @@
+package domain;
+
+import java.util.List;
+
+public enum MoneyType {
+    PAPER_50000("5만원권"),
+    PAPER_10000("1만원권"),
+    PAPER_5000("5천원권"),
+    PAPER_1000("1천원권"),
+    COIN_500("5백원 동전"),
+    COIN_100("1백원 동전"),
+    ;
+
+    private String money;
+
+    MoneyType(String money) {
+        this.money = money;
+    }
+
+    public String getMoney() {
+        return money;
+    }
+}
diff --git a/src/domain/PaymentMethod.java b/src/domain/PaymentMethod.java
new file mode 100644
index 0000000..b236faa
--- /dev/null
+++ b/src/domain/PaymentMethod.java
@@ -0,0 +1,17 @@
+package domain;
+
+public enum PaymentMethod {
+    CASH("현금"),
+    CARD("카드"),
+    ;
+
+    private String paymentMethod;
+
+    PaymentMethod(String paymentMethod) {
+        this.paymentMethod = paymentMethod;
+    }
+
+    public String getPaymentMethod() {
+        return paymentMethod;
+    }
+}
diff --git a/src/domain/Product.java b/src/domain/Product.java
index 0c7e410..88c2843 100644
--- a/src/domain/Product.java
+++ b/src/domain/Product.java
@@ -12,6 +12,10 @@ public Product(Temperature temperature, String productName, Integer cost) {
         this.cost = cost;
     }
 
+    public Long getProductId() {
+        return productId;
+    }
+
     public void setProductId(Long productId) {
         this.productId = productId;
     }
diff --git a/src/domain/Temperature.java b/src/domain/Temperature.java
index 45addcf..37120f7 100644
--- a/src/domain/Temperature.java
+++ b/src/domain/Temperature.java
@@ -1,5 +1,15 @@
 package domain;
 
 public enum Temperature {
-    COLD, HOT;
+    COLD("차가운 음료"), HOT("따뜻한 음료");
+
+    private String temperature;
+
+    Temperature(String temperature) {
+        this.temperature = temperature;
+    }
+
+    public String getTemperature() {
+        return temperature;
+    }
 }
diff --git a/src/domain/UserType.java b/src/domain/UserType.java
new file mode 100644
index 0000000..dba97b5
--- /dev/null
+++ b/src/domain/UserType.java
@@ -0,0 +1,5 @@
+package domain;
+
+public enum UserType {
+    USER, ADMIN;
+}
diff --git a/src/service/AdminService.java b/src/service/AdminService.java
new file mode 100644
index 0000000..83b9b97
--- /dev/null
+++ b/src/service/AdminService.java
@@ -0,0 +1,5 @@
+package service;
+
+public interface AdminService {
+    
+}
diff --git a/src/service/AdminServiceImpl.java b/src/service/AdminServiceImpl.java
new file mode 100644
index 0000000..6a7467b
--- /dev/null
+++ b/src/service/AdminServiceImpl.java
@@ -0,0 +1,13 @@
+package service;
+
+import util.message.SystemMessage;
+
+public class AdminServiceImpl implements AdminService {
+    private ProductService productService;
+    private SystemMessage systemMessage;
+
+    public AdminServiceImpl(ProductService productService, SystemMessage systemMessage) {
+        this.productService = productService;
+        this.systemMessage = systemMessage;
+    }
+}
diff --git a/src/service/UserService.java b/src/service/UserService.java
new file mode 100644
index 0000000..7412c24
--- /dev/null
+++ b/src/service/UserService.java
@@ -0,0 +1,15 @@
+package service;
+
+import domain.Product;
+
+public interface UserService {
+    void selectTemperature(String input);
+
+    Product selectProduct(String input);
+
+    void selectPaymentMethod(String input, Product product);
+
+    void insertCash(Product product);
+
+    int selectedCash(String input);
+}
diff --git a/src/service/UserServiceImpl.java b/src/service/UserServiceImpl.java
new file mode 100644
index 0000000..2bcd5d3
--- /dev/null
+++ b/src/service/UserServiceImpl.java
@@ -0,0 +1,79 @@
+package service;
+
+import domain.Product;
+import domain.UserType;
+import util.message.SystemMessage;
+
+import static domain.Temperature.COLD;
+import static domain.Temperature.HOT;
+
+public class UserServiceImpl implements UserService {
+    private final ProductService productService;
+    private final SystemMessage systemMessage;
+    private final UserType user;
+
+    public UserServiceImpl(ProductService productService, SystemMessage systemMessage) {
+        this.productService = productService;
+        this.systemMessage = systemMessage;
+        this.user = UserType.USER;
+    }
+
+    @Override
+    public void selectTemperature(String input) {
+        if (input.equals("1")) {
+            systemMessage.printProductMenu(productService.getProductsByTemperature(COLD), COLD);
+        } else if (input.equals("2")) {
+            systemMessage.printProductMenu(productService.getProductsByTemperature(HOT), HOT);
+        } else {
+            System.out.println("올바른 값을 입력 하십시오.");
+        }
+    }
+
+    @Override
+    public Product selectProduct(String input) {
+        return productService.getProductByProductId(Long.parseLong(input));
+    }
+
+    @Override
+    public void selectPaymentMethod(String input, Product product) {
+        if (input.equals("1")) {
+            insertCash(product);
+        } else if (input.equals("2")) {
+            systemMessage.cardResult(product);
+        }
+    }
+
+    @Override
+    public void insertCash(Product product) {
+        String input;
+        int insertedCash = 0;
+        while (insertedCash <= product.getCost()) {
+            systemMessage.printCashMenu(insertedCash);
+            input = systemMessage.inputMessage(user);
+            if (input.equals("0")) {
+                insertedCash = 0;
+            }
+            insertedCash += selectedCash(input);
+        }
+    }
+
+    @Override
+    public int selectedCash(String input) {
+        if (input.equals("1")) {
+            return 50000;
+        } else if (input.equals("2")) {
+            return 10000;
+        } else if (input.equals("3")) {
+            return 5000;
+        } else if (input.equals("4")) {
+            return 1000;
+        } else if (input.equals("5")) {
+            return 500;
+        } else if (input.equals("6")) {
+            return 100;
+        } else {
+            System.out.println("잘못된 입력값");
+        }
+        return 0;
+    }
+}
diff --git a/src/util/message/SystemMessage.java b/src/util/message/SystemMessage.java
new file mode 100644
index 0000000..0063b24
--- /dev/null
+++ b/src/util/message/SystemMessage.java
@@ -0,0 +1,103 @@
+package util.message;
+
+import domain.MoneyType;
+import domain.Product;
+import domain.Temperature;
+import domain.UserType;
+
+import java.util.List;
+import java.util.Scanner;
+
+import static domain.PaymentMethod.*;
+import static domain.UserType.*;
+
+public class SystemMessage {
+    public String inputMessage(UserType userType) {
+        Scanner sc = new Scanner(System.in);
+        if (userType.equals(USER)) {
+            System.out.print("사용자 입력 > ");
+        } else if (userType.equals(ADMIN)) {
+            System.out.print("admin 입력 > ");
+        }
+        return sc.next();
+    }
+
+    public void welcome() {
+        System.out.println("""
+                [어서와요! GDSC 음료 자판기]
+                
+                계속 하려면 아무키나 입력하세요 ...
+                """);
+    }
+
+    public void printTemperatureMenu() {
+        divideLine();
+        System.out.println("""
+                음료를 선택 해주세요 !
+                
+                [1] 차가운 음료
+                [2] 따뜻한 음료
+                """);
+    }
+
+    public void printPaymentMethodMenu() {
+        divideLine();
+        System.out.printf("""
+                [1] %s
+                [2] %s (부가세 10%% 적용)
+                
+                """, CASH.getPaymentMethod(), CARD.getPaymentMethod());
+    }
+
+    public void printProductMenu(List<Product> products, Temperature temperature) {
+        divideLine();
+        System.out.println("[" + temperature.getTemperature() + "]\n");
+        for (Product product : products) {
+            System.out.printf("[%d] %s : %d원%n",
+                    product.getProductId(),
+                    product.getProductName(),
+                    product.getCost());
+        }
+        System.out.println();
+    }
+
+    public void printCashMenu(int insertedCash) {
+        divideLine();
+        System.out.printf("[현금 투입 : %d원]\n\n", insertedCash);
+
+        System.out.println("""
+                [1] 5만원권
+                [2] 1만원권
+                [3] 5천원권
+                [4] 1천원권
+                [5] 5백원 동전
+                [6] 1백원 동전
+                [0] 반환
+                """);
+    }
+
+    public void printResult(Product product) {
+        divideLine();
+        System.out.printf("""
+                이용해주셔서 감사합니다.
+                                
+                [주문 음료]
+                %s
+                
+                """, product.getProductName());
+    }
+
+    public void cardResult(Product product) {
+        printResult(product);
+        System.out.printf("""
+                [결제 금액]
+                %d원
+                """, product.getCost());
+    }
+
+    public void divideLine() {
+        System.out.print("""
+                =============================
+                """);
+    }
+}

From ba7b7414aacd6e8388e30ba79a7bc80b1856839a Mon Sep 17 00:00:00 2001
From: Oniqued <zktl3575@gmail.com>
Date: Sat, 25 Nov 2023 22:39:10 +0900
Subject: [PATCH 6/6] =?UTF-8?q?=EC=9D=8C=EB=A3=8C=20=ED=98=84=EA=B8=88=20?=
 =?UTF-8?q?=EA=B2=B0=EC=A0=9C=20=EC=84=B1=EA=B3=B5?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/Main.java                       | 13 ++++++++++-
 src/service/UserService.java        |  5 +++--
 src/service/UserServiceImpl.java    | 13 +++++++----
 src/util/message/SystemMessage.java | 34 +++++++++++++++++++++++++++++
 4 files changed, 58 insertions(+), 7 deletions(-)

diff --git a/src/Main.java b/src/Main.java
index 00ce56c..a49763d 100644
--- a/src/Main.java
+++ b/src/Main.java
@@ -1,3 +1,4 @@
+import domain.PaymentMethod;
 import domain.Product;
 import domain.UserType;
 import service.*;
@@ -20,6 +21,8 @@ public static void main(String[] args) {
         input = systemMessage.inputMessage(user);
         if (input.equals("admin")) {
             user = ADMIN;
+
+            return;
         }
         systemMessage.printTemperatureMenu();
         userService.selectTemperature(systemMessage.inputMessage(user));
@@ -27,7 +30,15 @@ public static void main(String[] args) {
 
         systemMessage.printPaymentMethodMenu();
 
-        userService.selectPaymentMethod(systemMessage.inputMessage(user), product);
+        PaymentMethod paymentMethod = userService.selectPaymentMethod(systemMessage.inputMessage(user), product);
+        if (paymentMethod.equals(PaymentMethod.CASH)) {
+            int insertedCash = userService.insertCash(product);
+            systemMessage.cashResult(product, insertedCash);
+        } else if (paymentMethod.equals(PaymentMethod.CARD)) {
+            systemMessage.cardResult(product);
+        } else {
+            System.out.println("잘못된 입력값");
+        }
     }
 
     public static void initialize() {
diff --git a/src/service/UserService.java b/src/service/UserService.java
index 7412c24..f817a43 100644
--- a/src/service/UserService.java
+++ b/src/service/UserService.java
@@ -1,5 +1,6 @@
 package service;
 
+import domain.PaymentMethod;
 import domain.Product;
 
 public interface UserService {
@@ -7,9 +8,9 @@ public interface UserService {
 
     Product selectProduct(String input);
 
-    void selectPaymentMethod(String input, Product product);
+    PaymentMethod selectPaymentMethod(String input, Product product);
 
-    void insertCash(Product product);
+    int insertCash(Product product);
 
     int selectedCash(String input);
 }
diff --git a/src/service/UserServiceImpl.java b/src/service/UserServiceImpl.java
index 2bcd5d3..c22f84f 100644
--- a/src/service/UserServiceImpl.java
+++ b/src/service/UserServiceImpl.java
@@ -1,9 +1,12 @@
 package service;
 
+import domain.PaymentMethod;
 import domain.Product;
 import domain.UserType;
 import util.message.SystemMessage;
 
+import java.io.IOException;
+
 import static domain.Temperature.COLD;
 import static domain.Temperature.HOT;
 
@@ -35,16 +38,17 @@ public Product selectProduct(String input) {
     }
 
     @Override
-    public void selectPaymentMethod(String input, Product product) {
+    public PaymentMethod selectPaymentMethod(String input, Product product) {
         if (input.equals("1")) {
-            insertCash(product);
+            return PaymentMethod.CASH;
         } else if (input.equals("2")) {
-            systemMessage.cardResult(product);
+            return PaymentMethod.CARD;
         }
+        return null;
     }
 
     @Override
-    public void insertCash(Product product) {
+    public int insertCash(Product product) {
         String input;
         int insertedCash = 0;
         while (insertedCash <= product.getCost()) {
@@ -55,6 +59,7 @@ public void insertCash(Product product) {
             }
             insertedCash += selectedCash(input);
         }
+        return insertedCash;
     }
 
     @Override
diff --git a/src/util/message/SystemMessage.java b/src/util/message/SystemMessage.java
index 0063b24..ebe11d7 100644
--- a/src/util/message/SystemMessage.java
+++ b/src/util/message/SystemMessage.java
@@ -87,6 +87,40 @@ public void printResult(Product product) {
                 """, product.getProductName());
     }
 
+    public void cashResult(Product product, int insertedCash) {
+        printResult(product);
+
+        System.out.printf("""
+                [투입 금액]
+                %d원
+                
+                [잔돈]
+                %s
+                """, insertedCash, returnChange(product, insertedCash));
+    }
+
+    public String returnChange(Product product, int insertedCash) {
+        StringBuilder sb = new StringBuilder();
+        int change = insertedCash - product.getCost();
+
+        int[] moneyTypes = {50000, 10000, 5000, 1000, 500, 100};  // 화폐 단위
+        String[] moneyNames = {"50000원권", "10000원권", "5000원권", "1000원권", "500원 동전", "100원 동전"};  // 화폐 이름
+        int[] moneyCounts = new int[moneyTypes.length];  // 각 화폐 단위별 개수
+
+        for (int i = 0; i < moneyTypes.length; i++) {
+            moneyCounts[i] = change / moneyTypes[i];  // 거스름돈을 해당 화폐 단위로 나눈 몫
+            change %= moneyTypes[i];  // 거스름돈을 해당 화폐 단위로 나눈 나머지
+        }
+
+        // 결과 출력
+        for (int i = 0; i < moneyNames.length; i++) {
+            if (moneyCounts[i] > 0) {
+                sb.append(moneyNames[i]).append(" : ").append(moneyCounts[i]).append("개\n");
+            }
+        }
+        return sb.toString();
+    }
+
     public void cardResult(Product product) {
         printResult(product);
         System.out.printf("""