设计模式之建造者模式

public abstract class Car {
    List<String> sequenceList = new ArrayList<>();
    public abstract void start();
    public abstract void stop();

    public void sequenceList(List<String> sequenceList) {
        this.sequenceList = this.sequenceList;
    }

    public void run() {
        for (String sequence : sequenceList) {
            if ("start".equals(sequence)) {
                start();
            }
            if ("stop".equals(sequence)) {
                stop();
            }
        }
    }
}

public class BMW extends Card {
    public void start() {
        System.out.println("this is start");
    }

    public void stop() {
        System.out.println("this is stop");
    }
}

public abstract class CarBuilder() {
    public abstract void setSequence(List<String> sequenceList);

    public abstract void Car getCar();
}

public class BMWCarBuilder() {
    private BMWCar bmwCar = new BMWCar();

    public Card getCar() {
        return this.bmwCar;
    }

    public void setSequence(List<String> sequenceList) {
        bmwCar.sequenceList(sequenceList);
    }
}

public class Client {
    public static void main(String[] args) {
        List<String> sequenceList = new ArrayList<>();
        sequenceList.add("start");
        sequenceList.add("stop");
        CarBuilder carBuilder = new CarBuilder();
        carBuilder.sequenceList(sequenceList);
        Car bmwCar = carBuilder.getCar();
        bmwCar.run();
    }
}