JAVA设计模式-工厂模式

一、工厂方法模式

interface BeerFactory{
    void createBeer();
}
class QingDaoBeerFactory implements BeerFactory{
    @Override
    public void createBeer() {
        System.out.println("青岛啤酒厂生产啤酒");
    }
}
class XueHuaBeerFactory implements BeerFactory{
    @Override
    public void createBeer() {
        System.out.println("雪花啤酒厂生产啤酒");
    }
}
class FactoryMethod{
    public static void main(String[] args) {
        BeerFactory qingDao=new QingDaoBeerFactory();
        BeerFactory xueHua=new XueHuaBeerFactory();
    }    
}

二、抽象工厂模式

//啤酒发酵工艺
interface IFermentBeer{
    void fermentBeer();
}
//啤酒装瓶工艺
interface IFillBeer{
    void fillBeer();
}
//制作啤酒
interface ICreateBeer{
    IFermentBeer getFermentBeer();
    IFillBeer getFillBeer();
}
//青岛啤酒发酵
class QingDaoFactoryFermentBeer implements IFermentBeer{

    @Override
    public void fermentBeer() {
        System.out.println("青岛啤酒的发酵工艺");
    }
}
//青岛啤酒装罐
class QingDaoFactoryFillBeer implements  IFillBeer{

    @Override
    public void fillBeer() {
        System.out.println("青岛啤酒的装罐工艺");
    }
}
//青岛啤酒生产
class QingDaoFactoryCreateBeer implements ICreateBeer{

    @Override
    public IFermentBeer getFermentBeer() {
        return new QingDaoFactoryFermentBeer();
    }

    @Override
    public IFillBeer getFillBeer() {
        return new QingDaoFactoryFillBeer();
    }
}
//青岛啤酒发酵
class XueHuaFactoryFermentBeer implements IFermentBeer{

    @Override
    public void fermentBeer() {
        System.out.println("雪花啤酒的发酵工艺");
    }
}
//青岛啤酒装罐
class XueHuaFactoryFillBeer implements  IFillBeer{

    @Override
    public void fillBeer() {
        System.out.println("雪花啤酒的装罐工艺");
    }
}
//青岛啤酒生产
class XueHuaFactoryCreateBeer implements ICreateBeer{

    @Override
    public IFermentBeer getFermentBeer() {
        return new XueHuaFactoryFermentBeer();
    }

    @Override
    public IFillBeer getFillBeer() {
        return new XueHuaFactoryFillBeer();
    }
}
class BeerFactoryMethod{
    public static void main(String[] args) {
        ICreateBeer qingDao=new QingDaoFactoryCreateBeer();
        qingDao.getFermentBeer();
        qingDao.getFillBeer();
        ICreateBeer xueHua=new XueHuaFactoryCreateBeer();
        xueHua.getFermentBeer();
        xueHua.getFillBeer();
    }
}