On class diagrams employer Person Company 0.1 Employment Period Which sentences are coherent with this model? a) A company may employ 0 or 1 person b) A person may work for a single company c) A person has one employment d) A company has one employer that is a person e) A company may have zero employers

On class diagrams employer Person Company 0.1 Employment Period Which sentences are coherent with this model? a) A company may employ 0 or 1 person b) A person may work for a single company c) A person has one employment d) A company has one employer that is a person e) A company may have zero employers

Programming Logic & Design Comprehensive

9th Edition

ISBN:9781337669405

Author:FARRELL

Publisher:FARRELL

Chapter10: Object-oriented Programming

Section: Chapter Questions

Problem 4RQ

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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.
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).
6. Find class of the following entity Name Give Birth yes Ino Live In Water Have Lega no Can Fly Ino Ino no no Ino Ino Class mammals non-mammals non-mammals mammals non-mammals non-mammals mammals non-mammals mammals non-mammals non-mammals non-mammals mammals non-mammals non-mammals non-mammals mammals non-mammals mammals Inon-mammals] human python salmon whale frog komodo bat yes по Ino по yes yes Ino yes Ino Ino no sometimes yes yes yes yes yes Ino sometimes yes sometimes yes yes no sometimes yes yes yes yes | по Ives по yes по yes yes no no no по pigeon cat leopard shark ves turte penguin porcupine eel salamander gila mons ter platypus owl dolphin eagle no lyes по yes no по no по yes по no no yes Ino no no по по по no no по es Ino по yes по yes no bes Give Birth Can Fly Live in W ater Have Legs Class yes no yes no SVM
Draw a Class diagram, including minimum and maximum cardinality, for the following scenario: The Budget Car Information System stores information about two things: cars and owners. A car has attributes for make, model, and year. The owner has attributes for name and address. Assume that a car must be owned by one owner and an owner can own many cars, but an owner might not own any cars. Also include subclasses for car like sports car, sedan, and minivan, with appropriate attributes.
17. How do you model the following situation with a UML class diagram: Every restaurant has at least one kitchen, and one kitchen is part of exactly one restaurant. а. Restaurant Kitchen 1..* 1..1 Ob. Restaurant Kitchen 1..* 1..1 Restaurant Kitchen 1..* 1.* d. Restaurant 1.* Kitchen 1.1
Which OOP concept most accurately characterises the relationship between the classes Nation and President, given that Nation is an object of President?
Exercise 1. Implement the class Item as presented by the following UML diagram: Item code: String name: String - price: double +Item (---All Attributes--) +getters/setters +getFinalPrice (frequency: char) : double +display () : String getFinalPrice(frequency: char): returns the final price of the item, calculated as follows: o If frequency is H or h, then reduce 20% from the price. o If frequency is N or 1n, then reduce 10% from the price. O If frequency is L or 1, then reduce 5% from the price. Otherwise no change must be done to price. display (): returns one string that contains the whole item object's attributes, such as:
How do you model the following situation with a uml2 class diagram There are exactly two kinds of participants, namely members and guests. Guests are invited by members
When a person thinks of a concept such as "bird," the person usually • a. constructs a mental list of key attributes of a bird b. has to identify the particular type of bird before a concept of a bird can be generated • c. thinks of a prototype of a bird that captures for them the essence of the concept d. eliminates all the attributes of being a nonbird Pls help with correct answer
Please draw a class diagram which reflects the following information: A student can be undergraduate or a graduate student. An undergraduate student can be a type of tutor. A tutor tutors a student. A teacher and a professor are two types of instructors. A teacher assistant can assist a teacher and a professor, but a teacher can be assisted by only one assistant, while a professor can be assisted by up to five assistants. A teacher assistant is a type of graduate student.
QUESTION 3 How do you model the following situation with a UML class diagram: There are multiple different bird species, e.g. blackbird, thrush and starling. 1 (abstract) Bird Starting Blackbird Thrush abstract) Bird 375 Starling Blackbird Thrush Bird 51 Starling Blackbird Thrush Both b and c QUESTION 4 How do you model the following situation with a UML class diagram: An order is made with exactly one waiter, one waiter handles multiple orders. 1 Order Waiter Order Walter Order Waiter Order Waiter 2 3 2 3 4
On class diagrams Classify the following into generalization (G), association (A), aggregation (AG), or composition (C): a) A country has a capital city b) A dining philosopher uses a fork c) A file is an ordinary file or a directory file d) Files contain records e) A class can have several attributes f) A relation can be association or generalization g) A polygon is composed of an ordered set of points h) A person uses a computer language on a project