工厂设计模式

最新推荐文章于 2024-12-04 09:45:54 发布

原创最新推荐文章于 2024-12-04 09:45:54 发布 · 140 阅读

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package com.shanshan;

interface Fruit{
void eat();
}
class Apple implements Fruit{
@Override
public void eat() {
System.out.println(“eat apple!!!”);
}
}
class Factory{
public static Fruit getInstance(String className){
if(“apple”.equals(className)){
return new Apple();
}
return null;
}
}
public class Factory1 {
public static void main(String[] args) {
Fruit f=Factory.getInstance( “apple” ); //相当于new Apple();
f.eat();
}
}