Feat: chapter 1-1 ~ chapter 1-3 패턴 예제

spring-toby/java-project/build.gradle

@@ -1,4 +1,7 @@
 dependencies {
     testImplementation 'org.junit.jupiter:junit-jupiter-api:5.3.1'
     testRuntimeOnly 'org.junit.jupiter:junit-jupiter-engine:5.3.1'
+    // https://mvnrepository.com/artifact/com.h2database/h2
+    testCompile group: 'com.h2database', name: 'h2', version: '1.3.148'
+
 }

spring-toby/java-project/src/main/java/com/javabom/toby/chapter1/pattern/전략_패턴/ConnectionManager.java

@@ -0,0 +1,8 @@
+package com.javabom.toby.chapter1.pattern.전략_패턴;
+
+/**
+ * Created by jyami on 2020/11/01
+ */
+public interface ConnectionManager {
+
+}

spring-toby/java-project/src/main/java/com/javabom/toby/chapter1/pattern/전략_패턴/DConnectionManager.java

@@ -0,0 +1,7 @@
+package com.javabom.toby.chapter1.pattern.전략_패턴;
+
+/**
+ * Created by jyami on 2020/11/01
+ */
+public class DConnectionManager implements ConnectionManager{
+}

spring-toby/java-project/src/main/java/com/javabom/toby/chapter1/pattern/전략_패턴/NConnectionManager.java

@@ -0,0 +1,7 @@
+package com.javabom.toby.chapter1.pattern.전략_패턴;
+
+/**
+ * Created by jyami on 2020/11/01
+ */
+public class NConnectionManager implements ConnectionManager {
+}

spring-toby/java-project/src/main/java/com/javabom/toby/chapter1/pattern/전략_패턴/UserDao.java

@@ -0,0 +1,14 @@
+package com.javabom.toby.chapter1.pattern.전략_패턴;
+
+/**
+ * Created by jyami on 2020/11/01
+ */
+public class UserDao {
+
+    public UserDao(ConnectionManager connectionManager) {
+        this.connectionManager = connectionManager;
+    }
+
+    private final ConnectionManager connectionManager;
+
+}

spring-toby/java-project/src/main/java/com/javabom/toby/chapter1/pattern/전략_패턴/UserDaoTest.java

@@ -0,0 +1,16 @@
+package com.javabom.toby.chapter1.pattern.전략_패턴;
+
+/**
+ * Created by jyami on 2020/11/01
+ */
+public class UserDaoTest {
+    public static void main(String[] args) {
+        /**
+         * 변경되는 부분 : ConnectionManager > 인터페이스로 제공
+         * Client에서 원하는 구현체를 선택해서 사용할 수 있게 한다: UserDao에서 사용할 ConnectionManager 구현 클래스를 결정한다.
+         * 런타임에 오브젝트끼리 관계를 맺게 한다.
+         */
+        ConnectionManager dConnectionManager = new DConnectionManager();
+        UserDao userDao = new UserDao(dConnectionManager);
+    }
+}

spring-toby/java-project/src/main/java/com/javabom/toby/chapter1/pattern/템플릿_메소드_패턴/SubWithHook.java

@@ -0,0 +1,18 @@
+package com.javabom.toby.chapter1.pattern.템플릿_메소드_패턴;
+
+/**
+ * Created by jyami on 2020/11/01
+ */
+public class SubWithHook extends Super{
+
+    @Override
+    protected void hookMethod() {
+        super.hookMethod();
+        System.out.println("선택적으로 오버라이드 가능한 훅 메서드 : 오버라이드해서 사용");
+    }
+
+    @Override
+    public void abstractMethod() {
+        System.out.println("SubWithHook 클래스에서 구현한 메서드");
+    }
+}

spring-toby/java-project/src/main/java/com/javabom/toby/chapter1/pattern/템플릿_메소드_패턴/SubWithoutHook.java

@@ -0,0 +1,13 @@
+package com.javabom.toby.chapter1.pattern.템플릿_메소드_패턴;
+
+/**
+ * Created by jyami on 2020/11/01
+ */
+
+public class SubWithoutHook extends Super {
+    @Override
+    public void abstractMethod() {
+        System.out.println("슈퍼클래스의 기능을 오버라이드하거나 구현해서 특정 기능으로 구현한다.");
+        System.out.println("SubWithoutHook 클래스에서 구현한 메서드");
+    }
+}

spring-toby/java-project/src/main/java/com/javabom/toby/chapter1/pattern/템플릿_메소드_패턴/Super.java

@@ -0,0 +1,13 @@
+package com.javabom.toby.chapter1.pattern.템플릿_메소드_패턴;
+
+/**
+ * Created by jyami on 2020/11/01
+ */
+public abstract class Super {
+
+    protected void hookMethod(){
+        System.out.println("선택적으로 오버라이드 가능한 훅 메서드");
+    }
+
+    public abstract void abstractMethod();
+}

spring-toby/java-project/src/main/java/com/javabom/toby/chapter1/pattern/팩토리_메소드/Card.java

@@ -0,0 +1,27 @@
+package com.javabom.toby.chapter1.pattern.팩토리_메소드;
+
+/**
+ * Created by jyami on 2020/11/01
+ */
+public class Card {
+
+    private final CardType cardType;
+
+    private Card(CardType cardType) {
+        this.cardType = cardType;
+
+    }
+
+    public enum CardType {
+        LOTTE, HYUNDAI
+    }
+
+
+    public static Card ofLotte() {
+        return new Card(CardType.LOTTE);
+    }
+
+    public static Card ofHyundai() {
+        return new Card(CardType.HYUNDAI);
+    }
+}

spring-toby/java-project/src/main/java/com/javabom/toby/chapter1/pattern/팩토리_메소드_패턴/DeluxePizza.java

@@ -0,0 +1,12 @@
+package com.javabom.toby.chapter1.pattern.팩토리_메소드_패턴;
+
+/**
+ * Created by jyami on 2020/11/01
+ */
+public class DeluxePizza extends Pizza{
+
+    @Override
+    protected Pizza getPizza() {
+        return new DeluxePizza();
+    }
+}

spring-toby/java-project/src/main/java/com/javabom/toby/chapter1/pattern/팩토리_메소드_패턴/HamAndMushroomPizza.java

@@ -0,0 +1,12 @@
+package com.javabom.toby.chapter1.pattern.팩토리_메소드_패턴;
+
+/**
+ * Created by jyami on 2020/11/01
+ */
+public class HamAndMushroomPizza extends Pizza {
+
+    @Override
+    protected Pizza getPizza() {
+        return new SeafoodPizza();
+    }
+}

spring-toby/java-project/src/main/java/com/javabom/toby/chapter1/pattern/팩토리_메소드_패턴/Pizza.java

@@ -0,0 +1,15 @@
+package com.javabom.toby.chapter1.pattern.팩토리_메소드_패턴;
+
+/**
+ * Created by jyami on 2020/11/01
+ */
+public abstract class Pizza {
+
+    protected abstract Pizza getPizza();
+
+    public void eat() {
+        Pizza pizza = this.getPizza();
+        System.out.println(pizza);
+    }
+
+}

spring-toby/java-project/src/main/java/com/javabom/toby/chapter1/pattern/팩토리_메소드_패턴/SeafoodPizza.java

@@ -0,0 +1,13 @@
+package com.javabom.toby.chapter1.pattern.팩토리_메소드_패턴;
+
+/**
+ * Created by jyami on 2020/11/01
+ */
+public class SeafoodPizza extends Pizza {
+
+    @Override
+    public Pizza getPizza() {
+        return new SeafoodPizza();
+    }
+
+}