StuClass
private StuClassName : String
getStuClassName() : String()setStuClassName():void
Course
private CourseName : Stringprivate CourseNo : intprivate CourseTime : String
getCourseName():String()setCourceName():voidgetCourseNo():int()setCourceNo():voidgetCourseTime():String()setCourceTime():void
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Student
private StuName : Stringprivate StuNo : intprivate isCome : booleanprivate ComeTime:String
getStuName() : String()setStuName() : voidgetStuNo() : int()setStuNo() : voidgetIsCome():boolean();setIsCome():boolean();getComeTime():boolean();setIsComeTime():boolean();
Teacher
private TeacherName : Stringprivate TeacherNo : int
getTeacherName():String()setTeacherName():voidgetTeacherNo() : int()setTeacherNo() : void
SignTable
(new Teacher).getTeacherNo():int()(new Teacher).getTeacherName():String()(new Student).getStuNo():String()(new Student).getStuName():String()(new Course).getCourceName():String()(new Course).getCourceTime():String()(new Course).getCourceNo():int()(new StuClass).getStuClassName():String()(new Student).getIsCome():boolean()
TwoDimCode
(new Teacher).getTeacherNo():int()(new Teacher).getTeacherName():String()(new Student).getStuNo():String()(new Student).getStuName():String()(new Course).getCourceName():String()(new Course).getCourceTime():String()(new Course).getCourceNo():int()(new StuClass).getStuClassName():String()getTwoDimCode():void
