最病 A Separation of Concerns(SoC) a Object-Oriented Programming separates and encapsulates some concerns a Others end up tangled and scattered 口 Basic problem an dimensions of concerns a 1 dimension of implementation structure a tyranny decomposition Institute of Computer Software 2021/1/27 Nanjing UniversitySeparation of Concerns (SoC)  Object-Oriented Programming separates and encapsulates some concerns  Others end up tangled and scattered  Basic problem  N dimensions of concerns  1 dimension of implementation structure  Tyranny decomposition 2021/1/27 Institute of Computer Software Nanjing University 18