public class CarFactory {
//简单工厂模式1
	public Car createCar(String type)
	{
		if(type.equals("奥迪"))
		{
			return new Audi();
		}else if(type.equals("比亚迪"))
		{
			return new Byadi();
		}
		return null;

	}
	//或简单工厂模式2
	public static Car createAudi()
	{
		return new Audi();
	}
	public static Car createByadi()
	{
		return new Byadi();
	}
}