Adapter Pattern
Converl the interface of a class into another interface clients expect.Adapter lets classes work together that couldn"t otherwise
because of incompatible interfaces.(将一个类的接口变换成客户端所等待的另外一种接口，从而使本来因接口不匹配而没法在一起工作的俩个类能够在一起工作) Converl the interface of a cl
