Imagine that the final exams for five courses need to be sched- uled, and only two time slots are available. There are plenty of classrooms, but no student can take two exams simultaneously. The classlists for the five course are • Classlist for course 1: c1 = {Akiko,Erin,Sandy} {Carl, Dan, Wilma} • Classlist for course 2: c2 = • Classlist for course 3: c3 = {Akiko,Bart,Terry} • Classlist for course 4: c4 = {Erin, Dan, Val} • Classlist for course 5: c5 ={Carl, Bart,José}
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- By using Creately tool, draw the class diagram corresponding to the following scenario:• Each university has one or more department• Each department has a chairperson which is a lecturer and surely it assigns others• Each course object maintains a list of the students on that course and the lecturer who has beenassigned to teach that course• The course has behaviour that allow the adding and removing of students from the course,assigning a lecturer, getting a list of the currently assigned students, and the currently assignedlecturer.• The “taughtBy” relationship shows that a Course only has a single lecturer, but that a lecturermay teach several Courses.• Each Lecturer object also maintains a list of the Courses that it teaches.• There is a similar relationship between Course and Student. A course is attended by zero ormore Students, and a Student may attend multiple courses.• Both Lecturer and Student are shown to be types of Person.Consider the scenario of a Pharmacy Management System. The following UML Class diagram shows a hierarchy of some of the classes in the system. (Shown in Picture) The StateManager Interface is a generic interface which has two methods changeState (boolean : status). This method is used to change the status of InvoiceItem and PrescriptionItem. The possible status for InvoiceItem can be (Available – true or Unavailable - false), whereas PrescriptionItem has status (Recommended-true or Prohibited – false) passed to the method as an argument. The reset () method sets the default value for both InvoiceItem and PrescriptionItem. The Item class is self-explanatory. It implements the StateManager interface, and has toString method which prints the information in the following format. "Item Name: <<name>> (<<id>>)” e.g. Item Name: Panadol (223) Two classes PrescriptionItem and InvoiceItem are inherited from Item class representing the items that can be sold with…Draw a class diagram to represent the following scenario. A hospital receives a number of patients who are distributed to clinics afterthe initial examination. Doctors advise the patient for diagnosis. Then the patient may need to undergo some tests or X-rays. Depending on the result, the doctor gives the prescription. Next, the patientgoes to the pharmacy.
- Your assignment for this course is to implement a beginner level Book Management System (BMS) in Java language. BMS contains 2 classes: Bookand BookList. The Book class has the following attributes: code: a String object, that hold the book’s code. title: a String object, that hold the book’s title. qua: int variable, that hold the number of books with the same code in the library. price: a double variable, that hold the book’s price. The BookList class contains only one data member: ArrayList<Book> t. When running the program display the menu as below:1. Input & add book(s) to the end.2. Display all books.3. Search a book for given code.4. Update the book’s price for given code.5. Find the (first) max price value.6. Sort the list ascendingly by code.7. Remove the book having given code.8. Load data from file.0. Exit.Notes:(1) The book’s code must be unique in the list.(2) Display all books in format (code, title, quantity, price).(5)…Which OOP concept best explains the relationship between the Nation class and the President class, given that the former is an object of the latter?Describe in pseudo code how arbitration (this function is located in theGoalThink class – a subclass of the CompositeGoal class) is done in the goal-drivenreasoning to choose a current plan. The answer should include some descriptionof the part of class diagram devoted to the purpose driven reasoning and constructionof a hierarchy of goals.
- 4. Consider a Person class (which keeps track of a Person’s name) and a Student class (which keeps track of a Student’s name and student ID number). State the relationship between the two classes as either an is-a or a has-a relationship (similar to the last sentence of each paragraph in the above Model).Suggest a design pattern for the given scenario and also draw class diagram. We are considering a business case of pizza-hut where we can get different varieties of pizza and cold-drink. Pizza can be either a Veg pizza or Non-Veg pizza of several types (like cheese pizza, onion pizza, masala-pizza etc) and will be of 4 sizes i.e. small, medium, large, extra-large. Cold-drink can be of several types (like Pepsi, Coke, Dew, Sprite, Fanta, Maaza, Limca, Thums-up etc.) and will be of 3 sizes small, medium, large. Note: subject :software design and architechure. deptt(cs/It)I need to draw a class diagram for problem described here: Five philosophers are sitting at a circular table sharing a meal. A fork is placed between each pair of philosophers and each philosopher needs two forks to eat, which means no two neighbours may be eating simultaneously.
- For this problem you are to join the following classes into a hierarchy (use the UML diagrams from Module 2 to get started): Player - Super Class Archer - Subclass Barbarian - Subclass Cleric - Subclass Rogue - Subclass Warlock - Subclass If the parent class has the same attributes as the sub class then you can remove those attributes from the subclass. If the class is new for this module, please come up with 2 unique attributes of your choice, and 1 piece of functionality. If the sub classes are shown on the same level, then they share a parent class.Consider an online holiday booking system. The users can register and log in to book a holiday package. The software development team is planning to apply the Gang of Four (GoF) Singleton pattern to the Security_Check class (as the Singleton class) which will monitor customers’ sign in activities. Which of the following is FALSE? Select one: a. The Security_Check class should provide a private method for the access of its object by external objects. b. The get method for the Security_Check object should be public. c. The Security_Check class should be responsible for creating one object to deal with different requests. d. The Security_Check class should have a private attribute for its object.Consider an online holiday booking system. The users can register and log in to book a holiday package. The software development team is planning to apply the Gang of Four (GoF) Singleton pattern to the Security_Check class (as the Singleton class) which will monitor customers’ sign in activities. Which of the following is FALSE? Select one: a. The Security_Check class should provide a private method for the access of its object by external objects. b. The get method for the Security_Check object should be public. c. The Security_Check class should be responsible for creating one object to deal with different requests. d. The Security_Check class should have a private attribute for its object. I just need only the answer