设计模式-建造者模式（二）

public class CarBuilder {
    private Car car;

    public CarBuilder() {
        car = null;
    }

    public void createNewCar() {
        car = new SedanCar();
    }

    public void setLicensePlateNumber(String licensePlateNumber) {
        car.setLicensePlateNumber(licensePlateNumber);
    }

    public void setModel(String model) {
        car.setModel(model);
    }

    public void setColor(String color) {
        car.setColor(color);
    }

    public void setEngine(String engine) {
        car.setEngine(engine);
    }

    public void setTires(String tires) {
        car.setTires(tires);
    }

    public void setSeats(String seats) {
        car.setSeats(seats);
    }

    public Car build() {
        return car;
    }
}