> For the complete documentation index, see [llms.txt](https://blakes-organization.gitbook.io/rainsister/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://blakes-organization.gitbook.io/rainsister/design-pattern/template-pattern.md).

# Template Pattern

### 장점

* 중복코드 줄이고 , 코드의 재사용성을 높인다.
* 메인업무를 관리하기 편하다.
* 추상화 된 메서드의 재정의를 통한 클래스 확장에 유리
* 상위 클래스 메서드만으로도 전반적은 기능동작을 이해할수 있다.

### [전략패턴](broken://pages/nJmeWTDlfbjSAvIdba70) 과 비교

전략패턴(Strategy Pattern)과 Template Pattern은 사용 목적으로 구분된다. 전략패턴은 알고리즘에 대한 숨김, 그리고 쉽게 교체,변경 할수 있음. 하지만 Tempate Pattern 은 알고리즘의 특정 단계만 컨트롤하고 싶을경우 사용한다.

### 코드 예시

```java
public abstract class Game {
    abstract void initialize();
    abstract void startPlay();

    abstract void endPlay();

    public final void play(){
        initialize();
        startPlay();
        endPlay();
    }
}
```

```java
public class CarGame extends Game{
    @Override
    void initialize() {
        System.out.println("레이싱게임초기화 진행중...준비하세요!");
    }

    @Override
    void startPlay() {
        System.out.println("레이싱게임 시작!");
    }

    @Override
    void endPlay() {
        System.out.println("레이싱게임 종료!");
    }
}
```

```java
public class FootballGame extends Game{

        @Override
        void initialize() {
            System.out.println("축구게임초기화 진행중...준비하세요!");
        }

        @Override
        void startPlay() {
            System.out.println("축구게임 시작!");
        }

        @Override
        void endPlay() {
            System.out.println("축구게임 종료!");
        }
}
```

```java
public class MainGameTest {
    public static void main(String[] args) {
        Game game = new FootballGame();
        game.play();
        System.out.println();
        game = new CarGame();
        game.play();
    }
}
```

[소스코드](https://github.com/luxury515/design-pattern-demo/tree/master/TemplateMethodPattern)


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