软件包 com.bjpowernode.exam.manager 的分层结构

软件包分层结构：

所有软件包

类分层结构

• java.lang.Object
  • com.bjpowernode.exam.manager.ClassesManager
  • com.bjpowernode.exam.manager.CourseManager
  • com.bjpowernode.exam.manager.GradeManagerImpl (implements com.bjpowernode.exam.manager.GradeManager)
  • com.bjpowernode.exam.manager.StudentManagerImpl (implements com.bjpowernode.exam.manager.StudentManager)
  • com.bjpowernode.exam.manager.StudentManagerImpl2 (implements com.bjpowernode.exam.manager.StudentManager)

接口分层结构

• com.bjpowernode.exam.manager.GradeManager
• com.bjpowernode.exam.manager.StudentManager