feat : Design Pattern - 템플릿 메서드(Template Method) 패턴 구현

놀이터(예제 코드 작성)/solid-design-pattern-sample/README.md

@@ -72,6 +72,14 @@
 
 ### 템플릿 메서드(Template Method) 패턴
 
+#### 구현 요구사항
+
+- 스포츠 강사를 구현한다.
+    - 모든 강사는 강의가 시작할 때 스트레칭을 한다.
+    - 모든 강사는 강의가 끝날 때 인사한다.
+    - 수영 강사는 강의 중간에 수영 동작을 보여준다.
+    - 축구 강사는 강의 중간에 축구 동작을 보여준다.
+
 ### 상태(State) 패턴
 
 ### 데코레이터(Decorator) 패턴

놀이터(예제 코드 작성)/solid-design-pattern-sample/src/main/kotlin/com/banjjoknim/soliddesignpatternsample/designpattern/templatemethod/after/SoccerInstructorAfter.kt

@@ -0,0 +1,7 @@
+package com.banjjoknim.soliddesignpatternsample.designpattern.templatemethod.after
+
+class SoccerInstructorAfter : SportsInstructor() {
+    override fun showMovements() {
+        println("축구 동작을 보여준다.")
+    }
+}

놀이터(예제 코드 작성)/solid-design-pattern-sample/src/main/kotlin/com/banjjoknim/soliddesignpatternsample/designpattern/templatemethod/after/SportsInstructor.kt

@@ -0,0 +1,19 @@
+package com.banjjoknim.soliddesignpatternsample.designpattern.templatemethod.after
+
+abstract class SportsInstructor {
+    fun startLesson() {
+        showStretching()
+        showMovements()
+        greeting()
+    }
+
+    private fun showStretching() {
+        println("스트레칭을 한다.")
+    }
+
+    protected abstract fun showMovements()
+
+    private fun greeting() {
+        println("인사를 한다.")
+    }
+}

놀이터(예제 코드 작성)/solid-design-pattern-sample/src/main/kotlin/com/banjjoknim/soliddesignpatternsample/designpattern/templatemethod/after/SportsInstructorApplicationAfter.kt

@@ -0,0 +1,10 @@
+package com.banjjoknim.soliddesignpatternsample.designpattern.templatemethod.after
+
+class SportsInstructorApplicationAfter
+
+fun main() {
+    val swimmingInstructor = SwimmingInstructorAfter()
+    swimmingInstructor.startLesson()
+    val soccerInstructor = SoccerInstructorAfter()
+    soccerInstructor.startLesson()
+}

놀이터(예제 코드 작성)/solid-design-pattern-sample/src/main/kotlin/com/banjjoknim/soliddesignpatternsample/designpattern/templatemethod/after/SwimmingInstructorAfter.kt

@@ -0,0 +1,7 @@
+package com.banjjoknim.soliddesignpatternsample.designpattern.templatemethod.after
+
+class SwimmingInstructorAfter : SportsInstructor() {
+    override fun showMovements() {
+        println("수영 동작을 보여준다.")
+    }
+}

놀이터(예제 코드 작성)/solid-design-pattern-sample/src/main/kotlin/com/banjjoknim/soliddesignpatternsample/designpattern/templatemethod/before/SoccerInstructorBefore.kt

@@ -0,0 +1,21 @@
+package com.banjjoknim.soliddesignpatternsample.designpattern.templatemethod.before
+
+class SoccerInstructorBefore {
+    fun startLesson() {
+        showStretching()
+        showSoccerMovements()
+        greeting()
+    }
+
+    private fun showStretching() {
+        println("스트레칭을 한다.")
+    }
+
+    private fun showSoccerMovements() {
+        println("축구 동작을 보여준다.")
+    }
+
+    private fun greeting() {
+        println("인사를 한다.")
+    }
+}

놀이터(예제 코드 작성)/solid-design-pattern-sample/src/main/kotlin/com/banjjoknim/soliddesignpatternsample/designpattern/templatemethod/before/SportsInstructorApplicationBefore.kt

@@ -0,0 +1,10 @@
+package com.banjjoknim.soliddesignpatternsample.designpattern.templatemethod.before
+
+class SportsInstructorApplicationBefore
+
+fun main() {
+    val swimmingTeacher = SwimmingInstructorBefore()
+    swimmingTeacher.startLesson()
+    val soccerTeacher = SoccerInstructorBefore()
+    soccerTeacher.startLesson()
+}

놀이터(예제 코드 작성)/solid-design-pattern-sample/src/main/kotlin/com/banjjoknim/soliddesignpatternsample/designpattern/templatemethod/before/SwimmingInstructorBefore.kt

@@ -0,0 +1,21 @@
+package com.banjjoknim.soliddesignpatternsample.designpattern.templatemethod.before
+
+class SwimmingInstructorBefore {
+    fun startLesson() {
+        showStretching()
+        showSwimming()
+        greeting()
+    }
+
+    private fun showStretching() {
+        println("스트레칭을 한다.")
+    }
+
+    private fun showSwimming() {
+        println("수영 동작을 보여준다.")
+    }
+
+    private fun greeting() {
+        println("인사를 한다.")
+    }
+}