coupling和cohesion都是按照从好到坏排序的对于好的software design，应该有较高的cohesion和较低的coupling.5个coupling：data coupling 共享原子数据stamp coupling 共享复杂数据结构(其实只用到了数据结构的一小部分)control coupling 一个给另一个传参数 调用被调用模块的一小部分common coupling 都能够写全局变量c...

对于路径覆盖，要把每一条路的每一种组合都走一遍。在这里我标记了可能出现分叉的abcdef几条路，对于路径覆盖应该把以下路径的情况都走一遍：acefbcefacdfbcdf

Chapter2:software process modelOrganization of processes and activitiesKey points in this chapter:What is software process?What is software process model?What are the software process models and what's their advantages and disadvantages and implementation area?Difference between plan-driven and a...

we need methods to develope high-qualified software that are: standard,systematic,efficient,dependable,easy-to-use