public  abstract class SoyaMilk {//模版方法 可以做成finaL，不让子类去覆盖final  void make(){select();addCondiments();soak();beat();}void select(){System.out.println("第一步，请选择好的新鲜黄豆");}//添加不同的配料，抽象方法，子类具体实现abstract  void addCondiments();//浸泡void soak(){System.out.println("第三部，黄豆和配料开始浸泡，需要三个小时");}void beat(){System.out.println("第四步：黄豆和配料放到豆浆机去打碎");}
}

 

 

public class ReadBeanSoyaMilk extends SoyaMilk{@Overridevoid addCondiments() {System.out.println("加入上好的红豆");}
}

 

 

public class PeanutSoyaMilk extends SoyaMilk{@Overridevoid addCondiments() {System.out.println("加入上好的花生");}
}

 

 

public class Cilent {public static void main(String[] args) {SoyaMilk readBeanSoyaMilk = new ReadBeanSoyaMilk();readBeanSoyaMilk.make();SoyaMilk soyaMilk = new PeanutSoyaMilk();soyaMilk.make();}
}

 

执行结果