上游充通大￥ SHANGHAI JIAO TONG UNIVERSITY 1.1 Design Methodology "There are two ways of constructing a software design:One way is to make it so simple that there are obviously no deficiencies,and the other way is to make it so complicated that there are no obvious deficiencies. C.A.R.Hoare Software EngineeringSoftware Engineering 1.1 Design Methodology “There are two ways of constructing a software design: One way is to make it so simple that there are obviously no deficiencies, and the other way is to make it so complicated that there are no obvious deficiencies.” - C.A.R. Hoare