UML DIAGRAM WORKSHOP AND QUESTION

 UML DIAGRAM WORKSHOP

 

QUESTION 1

 

A book is written by an author, published by a publisher, sold by a book store, and read by a reader. Moreover, for a reader to read a book, she must buy it from a book store that is selling it. Draw a use case diagram, showing relationships between different use cases.

 

Basic Course of Action for Enroll in University scenario:

 

1.        An applicant wants to enroll in the university.

2.        The applicant hands a filled out copy of University Application Form to the registrar. 

3.        The registrar clicks on the Create Student icon.

4.        The system displays Create Student Screen.

5.        The registrar inputs the name, address, and phone number of the applicant.

6.        The system checks whether the applicant is on the applicants list and whether they already exist within the system.

7.       If the student is on the applicants list but not already on the system, then a record is created.

8.       The student enrolls in courses.

9.       The system calculates the required initial payment.

10.     The system displays Fee Summary Screen.

11.     The student pays the initial fee.

12.     The system prints a receipt.

13.     The registrar validates and gives the student the receipt.

14.     The use case ends.

 Draw a UML Use Case Diagram for the above

QUESTION 3

 

Consider the following simplified description of a university where professors teach seminars in which students can enroll.

A professors has a name, address, phone number, email address, and salary. A student has also a name, etc., but no salary (sorry). A student, however, has an average mark (of the final marks of his or her seminars). A seminar has a name and a number. When a student is enrolled in a seminar, the marks for this enrollment are recorded and the current average as well as the final mark (if there is one) can be obtained from the enrollment. From a student one can obtain a list of seminars he or she is enrolled in. Professors teach seminars. Each seminar has at least one and at most three teachers. There are two types of seminar: bachelor

and master. From a bachelor seminar students can not withdraw. From a master seminar they can.

Draw a class diagram for this university. Add attributes and methods when necessary. Visibility modifiers (public, private, etc.) are not required.

QUESTION 4

 

Consider an online reservation system for a bus company. The bus company includes several buses and realizes trips to different cities. Each bus is identified by its plate number and a separately assigned bus number. The trips are based on a predefined schedule and stop at predefined bus stations. Each bus can have only one trip per day. Each bus includes a driver and one hostess. For long trips, the bus will have breaks at service and rest areas. There are two types of trips, normal trips and express trips. Express trips do not stop at intermediate stations and get faster at the destination.

 A real estate company sells houses and condos (apartments). The company’s listings management system stores evidence of listings. A listing contains the property address, image, year it was built, area, and price. In case of houses, people usually want to know the number of floors, size of lot, and basement characteristics. For condos, the sizes of storage and of balcony are distinguishing characteristics.

The company’s system associates listings with agent records. These include name, address, and employment start date. A single agent manages a number of listings at a time. While a listing is usually managed by a single agent, sometimes it happens that a listing is transferred from one agent to another. It is recorded when an agent starts and ends to manage a listing. Based on this description, draw a class diagram. You do not need to make any assumptions or to specify multiplicity 

Altered State University (ASU) Registration System

1. Professors indicate which courses they will teach on-line.

 2. A course catalog can be printed

3. Allow students to select on-line four courses for upcoming semester.

 4. No course may have more than 10 students or less than 3 students.

 5. When the registration is completed, the system sends information to the billing system.

6. Professors can obtain course rosters on-line.

7. Students can add or drop classes on-line.

 

Consider the world of libraries. A library has books, videos, and CDs that it loans to its users. All library material has a id# and a title. In addition, books have one or more authors, videos have one producer and one or more actors, while CDs have one or more entertainers. The library maintains one or more copies of each library item (book, video or CD). Copies of all library material can be loaned to users. Reference-only material is loaned for 2hrs and can’t be removed from the library. Other material can be loaned for 2 weeks. For every loan, the library records the user, the loan date and time, and the return date and time. For users, the library maintains their name, address and phone number. Draw a class diagram (or two, if this is more convenient) for the description above. Make sure to show attributes, multiplicities and aggregations/compositions, where appropriate. No need to show any operations.

 A university registrar’s office maintains data about the following entities: (a) courses, including number, title, credits, syllabus, and prerequisites; (b) course offerings, including course number, year, semester, section number, instructor(s), timings, and classroom; (c) students, including student-id, name, and program; and (d) instructors, including identification number, name, department, and title. Further, the enrollment of students in courses and grades awarded to students in each course they are enrolled for must be appropriately modeled. Construct an E-R diagram for the registrar’s office. Document all assumptions that you make about the mapping constraints.

Design an E-R diagram for keeping track of the exploits of your favourite sports team. You should store the matches played, the scores in each match, the players in each match and individual player statistics for each match. Summary statistics should be modeled as derived attributes.

 

UPS prides itself on having up-to-date information on the processing and current location of each shipped item. To do this, UPS relies on a company-wide information system. Shipped items are the heart of the UPS product tracking information system. Shipped items can be characterized by item number (unique), weight, dimensions, insurance amount, destination, and final delivery date. Shipped items are received into the UPS system at a single retail center. Retail centers are characterized by their type, uniqueID, and address. Shipped items make their way to their destination via one or more standard UPS transportation events (i.e., flights, truck deliveries). These transportation events are characterized by a unique scheduleNumber, a type (e.g, flight, truck), and a deliveryRoute. Please create an Entity Relationship diagram that captures this information about the UPS system. Be certain to indicate identifiers and cardinality constraints