为什么我们要用JDepend

1. Measure Design Quality 考察设计质量
2. Invert Dependencies 反转依赖，低级抽象包依赖于高级抽象
3. Foster Parallel, Extreme Programming 促进并行开发
4. Isolate Third-Party Package Dependencies 隔离第三方包依赖
5. Package Release Modules 包模块化
6. Identify Package Dependency Cycles 确认循环依赖