package cn.vehicle

public interface Moveable
{
public void run();
}

public class Car implements Moveable
{
public void run()
{
System.out.println("開車嘍");
}
}

public class Plane implements Moveable
{
public void run()
{
System.out.println("開飛機嘍");
}
}

package cn.factory

import cn.vehicle.Moveable;

public abstract class VehicleFactory
{
public abstract Moveable createInstance();
}

import cn.vehicle.Car;

public class CarFactory extends VehicleFactory
{
public Car createInstance()
{
return new Car();
}
}

import cn.vehicle.Plane;

public class PlaneFactory extends VehicleFactory
{
public Plane createInstance()
{
return new Plane();
}
}

package cn.test

import cn.factory.VehicleFactory;
import cn.factory.PlaneFactory;
import cn.vehicle.Moveable;

public class Test
{
public static void main(String[] args)
{
VehicleFactory factory = new PlaneFactory();
Moveable m = factory.createInstance();
m.run();
}
}

設計模式——簡單工廠模式