10.27
public class Zoo
{
public static void main(String args[])
{
Feeder f = new Feeder("小李");
// 饲养员小李喂养一只狮子
f.feedLion(new Lion());
// 饲养员小李喂养十只猴子
for (int i = 0; i < 10; i++)
{
f.feedMonkey(new Monkey());
}
// 饲养员小李喂养5只鸽子
for (int i = 0; i < 5; i++)
{
f.feedPigeon(new Pigeon());
}
}
}
class Feeder
{
public String name;
public Feeder(String name)
{
this.name = name;
}
public void feedLion(Lion l)
{
l.eat();
}
public void feedPigeon(Pigeon p)
{
p.eat();
}
public void feedMonkey(Monkey m)
{
m.eat();
}
}
class Lion
{
public void eat()
{
System.out.println("我不吃肉谁敢吃肉！");
}
}
class Monkey
{
public void eat()
{
System.out.println("我什么都吃，尤其喜欢香蕉。");
}
}
class Pigeon
{
public void eat()
{
System.out.println("我要减肥，所以每天只吃一点大米。");
}
}