템플릿 메서드 응용

AdvancedLevel.java

package gameLevel;

public class AdvancedLevel extends PlayerLevel {

	@Override
	public void run() {
		System.out.println("빨리 달린다.");
	}

	@Override
	public void jump() {
		System.out.println("높이 점프한다.");
	}

	@Override
	public void turn() {
		System.out.println("턴 불가.");
	}

	@Override
	public void showLevelMessage() {
		System.out.println("-중급자 레벨-");
	}
	
}

BeginnerLevel.java

package gameLevel;

public class BeginnerLevel extends PlayerLevel {
	@Override
	public void run() {
		System.out.println("천천히 달린다.");
	}

	@Override
	public void jump() {
		System.out.println("점프 불가.");
	}

	@Override
	public void turn() {
		System.out.println("턴 불가");
	}

	@Override
	public void showLevelMessage() {
		System.out.println("-초보자 레벨-");
	}
}

MainBoard.java

package gameLevel;

public class MainBoard {

	public static void main(String[] args) {
		Player player = new Player();
		player.play(1);
		
		AdvancedLevel aLevel = new AdvancedLevel();
		player.upgradeLevel(aLevel);
		player.play(2);
		
		SuperLevel sLevel = new SuperLevel();
		player.upgradeLevel(sLevel);
		player.play(3);
	}

}

Player.java

package gameLevel;

public class Player {
	private PlayerLevel level;
	
	public Player() {
		level = new BeginnerLevel();
		level.showLevelMessage();
	}
	
	public PlayerLevel getLevel() {
		return level;
	}
	
	public void upgradeLevel(PlayerLevel level) {
		this.level = level;
		level.showLevelMessage();
	}
	
	public void play(int count) {
		level.go(count);
	}
}

PlayerLevel.java

package gameLevel;

public abstract class PlayerLevel {
	
	public abstract void run();
	public abstract void jump();
	public abstract void turn();
	public abstract void showLevelMessage();
	
	final public void go(int count) {
		run();
		for (int i = 0; i < count; i++) {
			jump();
		}
		turn();
	}
}

SuperLevel.java

package gameLevel;

public class SuperLevel extends PlayerLevel {

	@Override
	public void run() {
		System.out.println("엄청 빨리 달린다.");
	}

	@Override
	public void jump() {
		System.out.println("아주 높이 점프한다.");
	}

	@Override
	public void turn() {
		System.out.println("한 바퀴 돈다.");
	}

	@Override
	public void showLevelMessage() {
		System.out.println("-고급자 레벨-");
	}
	
}