Assuming that you are developing software using OOPparadigm, specify the classes that are needed for thefollowing systems:• Library Management System• Airline Management System• Hotel Reservation SystemFor each system, you must identify at least 4 classes,and for each class, you must list data members andoperations. Use the class diagram like the one below:Class NameDatamembers:Operations:Note: you need to have at least four class diagramsfor each system. (Total of at least 12)

Class diagram for the library management system: In this class diagram, we are taking 7 classes.…

Answered: Assuming that you are developing…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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UML class diagramA hotel chain wants to model their hotels as a class diagram, with only certain aspects that matter, which are explained below: • A hotel has a location. It offers overnight stays and it offers meetings. • A hotel serves several guests. A guest's address is saved. • A hotel consists of several corridors and rooms. The most important characteristic of a hallway is its length, while that of a room is its square footage. • There are two specific types of rooms: rooms for overnight stays and meeting rooms for meetings. The number of beds is important for a room and the number of chairs for a meeting room. • 5 to 99 guests can meet in each meeting room. A guest attends a maximum of two conferences. A guest can occupy several rooms. A maximum of 3 people can stay in one room. • A corridor has different functionality (role).A hallway is either a passageway or an escape route. As a passage, the lamps are lit in standard mode, as an escape route, the lamps are lit in…
To distinguish the purpose of the implementation from the data it utilizes, programmers construct a class. As a result, any data types may be handled by functions and classes. a document with headers a fictitious way a general design pattern for classes
Create a UML Class Model based on the requirements . Your Class Model is to include: All classes Attributes and Attribute Types Associations Multiplicity Primary and Foreign keys Any Inheritance, Composition or Aggregation Building Maintenance system A rental property management company wants to develop a ‘Building Maintenance System.’ This system will be used by the company to manage maintenance requests from tenants in the several rental buildings that it manages in the city. Each building has a maintenance manager. The maintenance manager is responsible for creating accounts in the system for each tenant in their building. A tenant can rent multiple apartments within the same building. Tenants can submit maintenance requests using this system. Each maintenance request will have a request ID, category, and description. The maintenance manager manages a maintenance crew in their building. Maintenance crew members can be members of more than one maintenance team. Maintenance crew…
When designing a class that implements Comparable, what design patterns or principles should be considered to promote code reusability and maintainability?
Question part 3: Draw a UML class diagram with all the classes and relationships. More info: In this last and final part of the course work you are required to change the definition of the Item_in_Stock class to make it an abstract class and change the getItemCat(), getItemName() and getItemDescription() definitions to make them abstract methods. You are then required to design and implement three classes which are derived from Item_in_Stock class to fully demonstrate the concept of inheritance and polymorphism. Implementation of HP_Laptop class in part II should have given you an idea of inheritance and polymorphism. Three sub classes, one class against each category (Computers, Laptops and Accessories), should contain appropriate constructors, instance variables, setter and getters methods and overridden methods for getItemName(), getItemDescription() and get_Item_details() method. You should be creative and come up with your own ideas of sub-classes. (please see the photo if…
The consideration of common characteristics while developing a hierarchy of classes is critical.
programming language :c++ You are required to create a base class Person with attributes name, CNIC and gender. Derive Manager and Employee class from Person class. Print Person class code here: Print Manager class code here: Print Employee class code here:
using c++ oop you will develop a Student Management System for Object Oriented Class. The managementsystem will mainly maintain the list of students (along with several parameters) with a proper menu system.Project will maintain the following parameters for each student: Name; Surname; Roll_No; Quiz1_Marks; Assignment1_Marks; Exam_Marks Weightages:Assignment 25%Quiz 25%Exam 50% Student class should have at least the following member functions:Student(); ~Student(); getName(); getSurname(); getQuiz1Marks(); getAssignment1Marks(); getExamMarks();setName(); setSurname(); setQuiz1Marks(); setAssignment1Marks(); setExamMarks(); bool pass(); char getGrade(); The getGrade() function should automatically assign the grade based on following criteria. Total Numbers Grade0-39 F40-44 D45-54 C55-69 B70-100 A
programming language : C++ subject : object oriented programming question: We know that an Organization consists of Managers and Employees. You are required to create a base class Person with attributes name, CNIC and gender. Derive Manager and Employee class from Person class.
Class diagram is all about classes and their: a. Interrelationships Ob. Attributes c. Operations d. None of these
The following is a list of requirements for an inventory system that will be used by a manufacturing and repair plant. Two or more Parts make up a Product. The Product class can access the Part class, but not the other way around. The three of Parts (Flywheel, Cog, and Afterburner) do not comprise a complete list of the parts in the inventory system, but they are all we care about at this time. A Flywheel can have two distinct layouts that do not share any further similarities: a tooth flywheel and a gear flywheel. An Afterburner can be classified into either a turbo or a hydro afterburner. Both of these types can be broken down into a ballistic type. A ballistic hydro or turbo afterburner is made up of plutonium marbles that have to be arranged just right in order to work. Please draw a class diagram using the above information. When you draw the diagram, please be sure to include associations between classes as well as the association annotations and end notations.
Task description Describe an example scenario where it is applicable to use the composite design pattern. You should not use the assembly-part stock control scenario described in lectures. You can make use of other sources for scenario ideas, but you should reference them appropriately. Your answer should include the following: a) A description of the scenario and the relevant objects in it. b) A class diagram illustrating the use of the composite design pattern. c) A description, with code snippets, of an implemented solution to the scenario without using the composite design pattern. d) A description, with code snippets, of an implemented solution to the scenario using the composite design pattern, making reference to how the implementation in c) was adapted. e) Your answers to c) and d) should include a discussion of data structures used, any association, aggregation, or composition relationships, inheritance relationships, and the use of polymorphism

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