diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..e4368f8
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,169 @@
+# Created by https://www.toptal.com/developers/gitignore/api/java,gradle,intellij+all,macos
+# Edit at https://www.toptal.com/developers/gitignore?templates=java,gradle,intellij+all,macos
+
+### Intellij+all ###
+# Covers JetBrains IDEs: IntelliJ, RubyMine, PhpStorm, AppCode, PyCharm, CLion, Android Studio, WebStorm and Rider
+# Reference: https://intellij-support.jetbrains.com/hc/en-us/articles/206544839
+
+# User-specific stuff
+.idea/**/workspace.xml
+.idea/**/tasks.xml
+.idea/**/usage.statistics.xml
+.idea/**/dictionaries
+.idea/**/shelf
+
+# AWS User-specific
+.idea/**/aws.xml
+
+# Generated files
+.idea/**/contentModel.xml
+
+# Sensitive or high-churn files
+.idea/**/dataSources/
+.idea/**/dataSources.ids
+.idea/**/dataSources.local.xml
+.idea/**/sqlDataSources.xml
+.idea/**/dynamic.xml
+.idea/**/uiDesigner.xml
+.idea/**/dbnavigator.xml
+
+# Gradle
+.idea/**/gradle.xml
+.idea/**/libraries
+
+# Gradle and Maven with auto-import
+# When using Gradle or Maven with auto-import, you should exclude module files,
+# since they will be recreated, and may cause churn.  Uncomment if using
+# auto-import.
+# .idea/artifacts
+# .idea/compiler.xml
+# .idea/jarRepositories.xml
+# .idea/modules.xml
+# .idea/*.iml
+# .idea/modules
+# *.iml
+# *.ipr
+
+# CMake
+cmake-build-*/
+
+# Mongo Explorer plugin
+.idea/**/mongoSettings.xml
+
+# File-based project format
+*.iws
+
+# IntelliJ
+out/
+
+# mpeltonen/sbt-idea plugin
+.idea_modules/
+
+# JIRA plugin
+atlassian-ide-plugin.xml
+
+# Cursive Clojure plugin
+.idea/replstate.xml
+
+# Crashlytics plugin (for Android Studio and IntelliJ)
+com_crashlytics_export_strings.xml
+crashlytics.properties
+crashlytics-build.properties
+fabric.properties
+
+# Editor-based Rest Client
+.idea/httpRequests
+
+# Android studio 3.1+ serialized cache file
+.idea/caches/build_file_checksums.ser
+
+### Intellij+all Patch ###
+# Ignores the whole .idea folder and all .iml files
+# See https://github.com/joeblau/gitignore.io/issues/186 and https://github.com/joeblau/gitignore.io/issues/360
+
+.idea/
+
+# Reason: https://github.com/joeblau/gitignore.io/issues/186#issuecomment-249601023
+
+*.iml
+modules.xml
+.idea/misc.xml
+*.ipr
+
+# Sonarlint plugin
+.idea/sonarlint
+
+### Java ###
+# Compiled class file
+*.class
+
+# Log file
+*.log
+
+# BlueJ files
+*.ctxt
+
+# Mobile Tools for Java (J2ME)
+.mtj.tmp/
+
+# Package Files #
+*.jar
+*.war
+*.nar
+*.ear
+*.zip
+*.tar.gz
+*.rar
+
+# virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
+hs_err_pid*
+
+### macOS ###
+# General
+.DS_Store
+.AppleDouble
+.LSOverride
+
+# Icon must end with two \r
+Icon
+
+
+# Thumbnails
+._*
+
+# Files that might appear in the root of a volume
+.DocumentRevisions-V100
+.fseventsd
+.Spotlight-V100
+.TemporaryItems
+.Trashes
+.VolumeIcon.icns
+.com.apple.timemachine.donotpresent
+
+# Directories potentially created on remote AFP share
+.AppleDB
+.AppleDesktop
+Network Trash Folder
+Temporary Items
+.apdisk
+
+### Gradle ###
+.gradle
+build/
+
+# Ignore Gradle GUI config
+gradle-app.setting
+
+# Avoid ignoring Gradle wrapper jar file (.jar files are usually ignored)
+!gradle-wrapper.jar
+
+# Cache of project
+.gradletasknamecache
+
+# # Work around https://youtrack.jetbrains.com/issue/IDEA-116898
+# gradle/wrapper/gradle-wrapper.properties
+
+### Gradle Patch ###
+**/build/
+
+# End of https://www.toptal.com/developers/gitignore/api/java,gradle,intellij+all,macos
diff --git a/build.gradle b/build.gradle
new file mode 100644
index 0000000..d8dee5d
--- /dev/null
+++ b/build.gradle
@@ -0,0 +1,26 @@
+plugins {
+    id 'java'
+    id 'war'
+}
+
+group 'com.fastcampus'
+version '1.0-SNAPSHOT'
+
+repositories {
+    mavenCentral()
+}
+
+dependencies {
+    // https://mvnrepository.com/artifact/javax.servlet/javax.servlet-api
+    compileOnly 'javax.servlet:javax.servlet-api:4.0.1'
+
+    implementation 'org.springframework:spring-webmvc:5.3.8'
+
+    testImplementation 'org.springframework:spring-test:5.3.8'
+    testImplementation 'org.junit.jupiter:junit-jupiter-api:5.7.0'
+    testRuntimeOnly 'org.junit.jupiter:junit-jupiter-engine:5.7.0'
+}
+
+test {
+    useJUnitPlatform()
+}
\ No newline at end of file
diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar
new file mode 100644
index 0000000..e708b1c
Binary files /dev/null and b/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
new file mode 100644
index 0000000..f371643
--- /dev/null
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -0,0 +1,5 @@
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.0-bin.zip
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
diff --git a/gradlew b/gradlew
new file mode 100755
index 0000000..4f906e0
--- /dev/null
+++ b/gradlew
@@ -0,0 +1,185 @@
+#!/usr/bin/env sh
+
+#
+# Copyright 2015 the original author or authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+##############################################################################
+##
+##  Gradle start up script for UN*X
+##
+##############################################################################
+
+# Attempt to set APP_HOME
+# Resolve links: $0 may be a link
+PRG="$0"
+# Need this for relative symlinks.
+while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+        PRG="$link"
+    else
+        PRG=`dirname "$PRG"`"/$link"
+    fi
+done
+SAVED="`pwd`"
+cd "`dirname \"$PRG\"`/" >/dev/null
+APP_HOME="`pwd -P`"
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
+
+CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
+
+
+# Determine the Java command to use to start the JVM.
+if [ -n "$JAVA_HOME" ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+        # IBM's JDK on AIX uses strange locations for the executables
+        JAVACMD="$JAVA_HOME/jre/sh/java"
+    else
+        JAVACMD="$JAVA_HOME/bin/java"
+    fi
+    if [ ! -x "$JAVACMD" ] ; then
+        die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+    fi
+else
+    JAVACMD="java"
+    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+fi
+
+# Increase the maximum file descriptors if we can.
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
+    MAX_FD_LIMIT=`ulimit -H -n`
+    if [ $? -eq 0 ] ; then
+        if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
+            MAX_FD="$MAX_FD_LIMIT"
+        fi
+        ulimit -n $MAX_FD
+        if [ $? -ne 0 ] ; then
+            warn "Could not set maximum file descriptor limit: $MAX_FD"
+        fi
+    else
+        warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
+    fi
+fi
+
+# For Darwin, add options to specify how the application appears in the dock
+if $darwin; then
+    GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
+fi
+
+# For Cygwin or MSYS, switch paths to Windows format before running java
+if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then
+    APP_HOME=`cygpath --path --mixed "$APP_HOME"`
+    CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+
+    JAVACMD=`cygpath --unix "$JAVACMD"`
+
+    # We build the pattern for arguments to be converted via cygpath
+    ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
+    SEP=""
+    for dir in $ROOTDIRSRAW ; do
+        ROOTDIRS="$ROOTDIRS$SEP$dir"
+        SEP="|"
+    done
+    OURCYGPATTERN="(^($ROOTDIRS))"
+    # Add a user-defined pattern to the cygpath arguments
+    if [ "$GRADLE_CYGPATTERN" != "" ] ; then
+        OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
+    fi
+    # Now convert the arguments - kludge to limit ourselves to /bin/sh
+    i=0
+    for arg in "$@" ; do
+        CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
+        CHECK2=`echo "$arg"|egrep -c "^-"`                                 ### Determine if an option
+
+        if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then                    ### Added a condition
+            eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
+        else
+            eval `echo args$i`="\"$arg\""
+        fi
+        i=`expr $i + 1`
+    done
+    case $i in
+        0) set -- ;;
+        1) set -- "$args0" ;;
+        2) set -- "$args0" "$args1" ;;
+        3) set -- "$args0" "$args1" "$args2" ;;
+        4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+        5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+        6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+        7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+        8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+        9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+    esac
+fi
+
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
+}
+APP_ARGS=`save "$@"`
+
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+exec "$JAVACMD" "$@"
diff --git a/gradlew.bat b/gradlew.bat
new file mode 100644
index 0000000..ac1b06f
--- /dev/null
+++ b/gradlew.bat
@@ -0,0 +1,89 @@
+@rem
+@rem Copyright 2015 the original author or authors.
+@rem
+@rem Licensed under the Apache License, Version 2.0 (the "License");
+@rem you may not use this file except in compliance with the License.
+@rem You may obtain a copy of the License at
+@rem
+@rem      https://www.apache.org/licenses/LICENSE-2.0
+@rem
+@rem Unless required by applicable law or agreed to in writing, software
+@rem distributed under the License is distributed on an "AS IS" BASIS,
+@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+@rem See the License for the specific language governing permissions and
+@rem limitations under the License.
+@rem
+
+@if "%DEBUG%" == "" @echo off
+@rem ##########################################################################
+@rem
+@rem  Gradle startup script for Windows
+@rem
+@rem ##########################################################################
+
+@rem Set local scope for the variables with windows NT shell
+if "%OS%"=="Windows_NT" setlocal
+
+set DIRNAME=%~dp0
+if "%DIRNAME%" == "" set DIRNAME=.
+set APP_BASE_NAME=%~n0
+set APP_HOME=%DIRNAME%
+
+@rem Resolve any "." and ".." in APP_HOME to make it shorter.
+for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi
+
+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"
+
+@rem Find java.exe
+if defined JAVA_HOME goto findJavaFromJavaHome
+
+set JAVA_EXE=java.exe
+%JAVA_EXE% -version >NUL 2>&1
+if "%ERRORLEVEL%" == "0" goto execute
+
+echo.
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:findJavaFromJavaHome
+set JAVA_HOME=%JAVA_HOME:"=%
+set JAVA_EXE=%JAVA_HOME%/bin/java.exe
+
+if exist "%JAVA_EXE%" goto execute
+
+echo.
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:execute
+@rem Setup the command line
+
+set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
+
+
+@rem Execute Gradle
+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %*
+
+:end
+@rem End local scope for the variables with windows NT shell
+if "%ERRORLEVEL%"=="0" goto mainEnd
+
+:fail
+rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
+rem the _cmd.exe /c_ return code!
+if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
+exit /b 1
+
+:mainEnd
+if "%OS%"=="Windows_NT" endlocal
+
+:omega
diff --git a/settings.gradle b/settings.gradle
new file mode 100644
index 0000000..05f7bfa
--- /dev/null
+++ b/settings.gradle
@@ -0,0 +1,2 @@
+rootProject.name = 'fastcampus-java-oop'
+
diff --git a/src/main/java/com/fastcampus/springpractice/config/Config.java b/src/main/java/com/fastcampus/springpractice/config/Config.java
new file mode 100644
index 0000000..2896be4
--- /dev/null
+++ b/src/main/java/com/fastcampus/springpractice/config/Config.java
@@ -0,0 +1,11 @@
+package com.fastcampus.springpractice.config;
+
+import org.springframework.context.annotation.ComponentScan;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.web.servlet.config.annotation.EnableWebMvc;
+
+@EnableWebMvc
+@ComponentScan("com.fastcampus.springpractice")
+@Configuration
+public class Config {
+}
diff --git a/src/main/java/com/fastcampus/springpractice/controller/MainController.java b/src/main/java/com/fastcampus/springpractice/controller/MainController.java
new file mode 100644
index 0000000..1294c54
--- /dev/null
+++ b/src/main/java/com/fastcampus/springpractice/controller/MainController.java
@@ -0,0 +1,24 @@
+package com.fastcampus.springpractice.controller;
+
+import com.fastcampus.springpractice.service.SortService;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
+
+import java.util.List;
+
+@RestController
+public class MainController {
+
+    private final SortService sortService;
+
+    public MainController(SortService sortService) {
+        this.sortService = sortService;
+    }
+
+    @GetMapping("/")
+    public String hello(@RequestParam List<String> list) {
+        return sortService.doSort(list).toString();
+    }
+
+}
diff --git a/src/main/java/com/fastcampus/springpractice/logic/BubbleSort.java b/src/main/java/com/fastcampus/springpractice/logic/BubbleSort.java
new file mode 100644
index 0000000..99b481a
--- /dev/null
+++ b/src/main/java/com/fastcampus/springpractice/logic/BubbleSort.java
@@ -0,0 +1,27 @@
+package com.fastcampus.springpractice.logic;
+
+import org.springframework.stereotype.Component;
+
+import java.util.ArrayList;
+import java.util.List;
+
+@Component
+public class BubbleSort <T extends Comparable<T>> implements Sort<T> {
+
+    @Override
+    public List<T> sort(List<T> list) {
+        List<T> output = new ArrayList<>(list);
+
+        for (int i = output.size() - 1; i > 0; i--) {
+            for (int j = 0; j < i; j++) {
+                if (output.get(j).compareTo(output.get(j + 1)) > 0) {
+                    T temp = output.get(j);
+                    output.set(j, output.get(j + 1));
+                    output.set(j + 1, temp);
+                }
+            }
+        }
+
+        return output;
+    }
+}
diff --git a/src/main/java/com/fastcampus/springpractice/logic/JavaSort.java b/src/main/java/com/fastcampus/springpractice/logic/JavaSort.java
new file mode 100644
index 0000000..5184ccf
--- /dev/null
+++ b/src/main/java/com/fastcampus/springpractice/logic/JavaSort.java
@@ -0,0 +1,19 @@
+package com.fastcampus.springpractice.logic;
+
+import org.springframework.stereotype.Component;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+
+@Component
+public class JavaSort <T extends Comparable<T>> implements Sort<T> {
+
+    public List<T> sort(List<T> list) {
+        List<T> output = new ArrayList<>(list);
+        Collections.sort(output);
+
+        return output;
+    }
+
+}
diff --git a/src/main/java/com/fastcampus/springpractice/logic/Sort.java b/src/main/java/com/fastcampus/springpractice/logic/Sort.java
new file mode 100644
index 0000000..36d4ccd
--- /dev/null
+++ b/src/main/java/com/fastcampus/springpractice/logic/Sort.java
@@ -0,0 +1,7 @@
+package com.fastcampus.springpractice.logic;
+
+import java.util.List;
+
+public interface Sort <T extends Comparable<T>> {
+    List<T> sort(List<T> list);
+}
diff --git a/src/main/java/com/fastcampus/springpractice/service/SortService.java b/src/main/java/com/fastcampus/springpractice/service/SortService.java
new file mode 100644
index 0000000..f3c0ad3
--- /dev/null
+++ b/src/main/java/com/fastcampus/springpractice/service/SortService.java
@@ -0,0 +1,24 @@
+package com.fastcampus.springpractice.service;
+
+import com.fastcampus.springpractice.logic.Sort;
+import org.springframework.beans.factory.annotation.Qualifier;
+import org.springframework.stereotype.Service;
+
+import java.util.List;
+
+@Service
+public class SortService {
+
+    private final Sort<String> sort;
+
+
+    public SortService(@Qualifier("bubbleSort") Sort<String> sort) {
+        this.sort = sort;
+        System.out.println("구현체: " + sort.getClass().getName());
+    }
+
+    public List<String> doSort(List<String> list) {
+        return sort.sort(list);
+    }
+
+}
diff --git a/src/main/java/com/fastcampus/springpractice/web/MyWebApplicationInitializer.java b/src/main/java/com/fastcampus/springpractice/web/MyWebApplicationInitializer.java
new file mode 100644
index 0000000..6ba924d
--- /dev/null
+++ b/src/main/java/com/fastcampus/springpractice/web/MyWebApplicationInitializer.java
@@ -0,0 +1,26 @@
+package com.fastcampus.springpractice.web;
+
+import com.fastcampus.springpractice.config.Config;
+import org.springframework.web.WebApplicationInitializer;
+import org.springframework.web.context.support.AnnotationConfigWebApplicationContext;
+import org.springframework.web.servlet.DispatcherServlet;
+
+import javax.servlet.ServletContext;
+import javax.servlet.ServletRegistration;
+
+public class MyWebApplicationInitializer implements WebApplicationInitializer {
+
+    @Override
+    public void onStartup(ServletContext servletContext) {
+        // Load Spring web application configuration
+        AnnotationConfigWebApplicationContext context = new AnnotationConfigWebApplicationContext();
+        context.register(Config.class);
+
+        // Create and register the DispatcherServlet
+        DispatcherServlet servlet = new DispatcherServlet(context);
+        ServletRegistration.Dynamic registration = servletContext.addServlet("app", servlet);
+        registration.setLoadOnStartup(1);
+        registration.addMapping("/");
+    }
+
+}
diff --git a/src/test/java/com/fastcampus/springpractice/logic/BubbleSortTest.java b/src/test/java/com/fastcampus/springpractice/logic/BubbleSortTest.java
new file mode 100644
index 0000000..a2ced2b
--- /dev/null
+++ b/src/test/java/com/fastcampus/springpractice/logic/BubbleSortTest.java
@@ -0,0 +1,26 @@
+package com.fastcampus.springpractice.logic;
+
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+
+import java.util.List;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+class BubbleSortTest {
+
+    @DisplayName("버블소트 - 리스트를 넣으면 정렬된 결과를 보여준다")
+    @Test
+    void given_List_WhenExecuting_ThenReturnSortedList() {
+        // Given
+        BubbleSort<Integer> bubbleSort = new BubbleSort<>();
+
+
+        // When
+        List<Integer> actual = bubbleSort.sort(List.of(3, 2, 4, 5, 1));
+
+        // Then
+        assertEquals(List.of(1, 2, 3, 4, 5), actual);
+    }
+
+}
\ No newline at end of file
diff --git a/src/test/java/com/fastcampus/springpractice/logic/JavaSortTest.java b/src/test/java/com/fastcampus/springpractice/logic/JavaSortTest.java
new file mode 100644
index 0000000..cca532d
--- /dev/null
+++ b/src/test/java/com/fastcampus/springpractice/logic/JavaSortTest.java
@@ -0,0 +1,23 @@
+package com.fastcampus.springpractice.logic;
+
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+
+import java.util.List;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+class JavaSortTest {
+    @DisplayName("자바소트 - 리스트를 넣으면 정렬된 결과를 보여준다")
+    @Test
+    void given_List_WhenExecuting_ThenReturnSortedList() {
+        // Given
+        JavaSort<Integer> javaSort = new JavaSort<>();
+
+        // When
+        List<Integer> actual = javaSort.sort(List.of(3, 2, 4, 5, 1));
+
+        // Then
+        assertEquals(List.of(1, 2, 3, 4, 5), actual);
+    }
+}
\ No newline at end of file
diff --git a/src/test/java/com/fastcampus/springpractice/service/SortServiceTest.java b/src/test/java/com/fastcampus/springpractice/service/SortServiceTest.java
new file mode 100644
index 0000000..f84c990
--- /dev/null
+++ b/src/test/java/com/fastcampus/springpractice/service/SortServiceTest.java
@@ -0,0 +1,24 @@
+package com.fastcampus.springpractice.service;
+
+import com.fastcampus.springpractice.logic.JavaSort;
+import org.junit.jupiter.api.Test;
+
+import java.util.List;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+class SortServiceTest {
+
+    private SortService sut = new SortService(new JavaSort<>());
+
+    @Test
+    void test() {
+        // Given
+
+        // When
+        List<String> actual = sut.doSort(List.of("3", "2", "1"));
+
+        // Then
+        assertEquals(List.of("1", "2", "3"), actual);
+    }
+}
\ No newline at end of file