当不适合采用生成子类的方法对已有的类进行扩充时,可以采用( )设计模式动态地给一个对象添加一些额外的职责;当应用程序由于使用大量的对象,造成很大的存储开销时,可以采用( )设计模式运用共享技术来有效地支持大量细粒度的对象;当想使用一个已经存在的类,但其接口不符合需求时,可以采用( )设计模式将该类的接口转换成我们希望的接口。
问题1
A.命令(Command)
B.适配器(Adapter)
C.装饰(Decorate)
D.享元(Flyweight)
问题2
A.命令(Command)
B.适配器(Adapter)
C.装饰(Decorate)
D.享元(Flyweight)
问题3
A.命令(Command)
B.适配器(Adapter)
C.装饰(Decorate)
D.享元(Flyweight)
正确答案及解析
正确答案
解析
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