中间件课件（yjm）

Basicconceptsinobject-orientedprogramming;Problemsinbinary-levelinteroperationinobject-orientedparadigm;Solutionscheme:componentmodel:–Separatinginterfaceclassfromimplementationclass;–Constructionanddeconstructionofobject;–Extensionofinterface;–Objectlifetimemanagement;