[LintCode] Shape Factory 形状工厂

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[LintCode] Shape Factory 形状工厂

Factory is a design pattern in common usage. Implement a ShapeFactory that can generate correct shape. You can assume that we have only tree different shapes: Triangle, Square and Rectangle. Example ShapeFactory sf = new ShapeFactory(); Shape shape =…

[LintCode] Toy Factory 玩具工厂

Factory is a design pattern in common usage. Please implement a ToyFactory which can generate proper toy based on the given type. ExampleToyFactory tf = ToyFactory();Toy toy = tf.getToy('Dog');toy.talk(); >> Wow toy = tf.getToy('Cat');toy.talk();>…

lintcode：形状工厂

题目工厂模式是一种常见的设计模式.实现一个形状工厂 ShapeFactory 来创建不同的形状类.这里我们假设只有三角形,正方形和矩形三种形状. 样例 ShapeFactory sf = new ShapeFactory(); Shape shape = sf.getShape("Square"); shape.draw(); >> ---- >> | | >> | | >> ---- shape = sf.getShape("…

Factory Method 工厂方法模式

Factory method工厂方法模式是一种实现了“工厂”概念的面向对象设计模式.就像其他创建型模式一样,它也是处理在不指定对象具体类型的情况下创建对象的问题.工厂方法模式的实质是“定义一个创建对象的接口,但让实现这个接口的类来决定实例化哪个类.工厂方法让类的实例化推迟到子类中进行.” 创建一个对象常常需要复杂的过程,所以不适合包含在一个复合对象中.创建对象可能会导致大量的重复代码,可能会需要复合对象访问不到的信息,也可能提供不了足够级别的抽象,还可能并不是复合对象概念的一部分.工厂方法模式通…

1740: [Usaco2005 mar]Yogurt factory 奶酪工厂

1740: [Usaco2005 mar]Yogurt factory 奶酪工厂 Time Limit: 5 Sec Memory Limit: 64 MBSubmit: 119 Solved: 100[Submit][Status][Discuss] Description The cows have purchased a yogurt factory that makes world-famous Yucky Yogurt. Over the next N (1 <= N <= 10…

Factory，工厂设计模式，C++描述

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