因使用大量的对象而造成很大的存储开销时，适合采用（ ）模式进行对象共享，以减少对象数量从而达到较少的内存占用并提升性能。
- A.组合（Composite）
- B.享元（Flyweight）
- C.迭代器（Iterator）
- D.备忘（Memento）
正确答案及解析
正确答案
解析
享元模式的特点是：复用我们内存中已存在的对象，降低系统创建对象实例组合模式(Composite Pattern)有时候又叫做部分-整体模式，它使我们树型结构的问题中，模糊了简单元素和复杂元素的概念，客户程序可以向处理简单元素一样来处理复杂元素,从而使得客户程序与复杂元素的内部结构解耦。
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