Remaining Time: 1 höur,57Question Completion Status:QUESTION 1Select two obiects in the real world which can be logically associated in code using Composition.Do not use any obiect types mentioned in class or example/practice problems such as:Vehicle, Car, Person, Address, Fraction, WholeNumber, Course etc.Implement a program that does the following:1) Implement the selected classes using Composition.2) Implement one data member for each class.3) Implement Constructors for each class.4) Implement Accessors and Mutators for the data member in each class.5) If a data member of a selected class A is an instance of another class B, implement all Accessors and Mutators to access theinternal data members of object A from within class B.TTT Arial3 (12pt)Words:0Path: pQUESTION 2Chick Save and Submit to save and submit. Click Save All Ansurers to save all answers.Save All An28MacBook Air

In real-life, complex objects are comprised of several smaller, simpler objects. For example, a…

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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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C- Create the sub class UsedBook that is derived from the super class Book and has the following instance variables, constructor, and functions: title ( String) isbn ( String) authors (String) publisher (String) edition ( int) published_year (int) price_new (double) // the price of the book if it is new age (int) // how old the book is in years Constructor that takes all of the above variables as input parameters. set/get functions calculate_price method // the price is calculated as price_new * (1- 0.10*age) print function that prints all information related to the old book. D- Create the Testing class that has the main method and does the following: aa- Use the constructor to create instance of NewBook class and name it as new. Call compute_price function. bb- Use the constructor to create instance of usedBook class and name it used. Call compute_price function. cc- Print the related information of new and used objects using print functions. Use this following code: class…
c++ please The Critter class is a base class with some basic functionality for running simulations of different kinds of critters. Critters can move, act, and remember their history. A typical simulation contains a number of critters of different types. In each step of the simulation, the act member function will be called on each critter. Define a class Sloth derived from Critter that simulates a sloth. Sloths alternate between eating and sleeping. Add the word "eat" or "sleep" to the history each time the act function is called. The implementation of the Critter class is not shown. Complete the following file: sloth_Tester.cpp #include <iostream>using namespace std; #include "critter.h" /**A sloth eats and sleeps.*/class Sloth : public Critter{public:Sloth();. . .private:. . .}; Sloth::Sloth(){. . .} void Sloth::act(){if (...){add_history("eat");...}else{add_history("sleep");...}} int main(){Sloth sloth;sloth.act();cout << sloth.get_history() << endl;cout <<…
C++ Assignment---This is an unfinished code please complete it. Make changes if necessary. Upvote for finished working code. Objectives • To apply knowledge of classes and objects Instructions Implement all of the following, each in a separate Visual Studio project (and/or solution). 1. Define a class called CounterType to implement a simple counter. The class must have a private field (data member) counter of type int. You must also provide methods (member functions), including the following: a. A constructor to set the counter to the value specified by the user b. A constructor to set the counter to 0 c. A method to allow the user to set the counter to a value they specify d. A method to increment the counter by 1 e. A method to decrement the counter by 1 Your code must ensure the value of counter is never negative. If the user calls a method to attempt to make the counter negative, set the counter to 0 and print out an error to the user (e.g., “The counter must not be negative.”) Do…
Create a class of type student .Members will include: name, gpa, rank (year) Make sure all data is private and all functions are public. Write member functions to:Set or initialize the dataRetrieve the data (get’em and set’em )Announce names of students who are eligible for a scholarship (those who have a GPA of 3.0 or higher)The program will declare at least two objects (pupils) of your new class and test each of the functions (OR if you would like to try your hand at vectors, create them dynamically- this may require a little research/review on your part).
Write UML Class Diagram that illustrates the following program: 1) Person class The person class should include the following data fields; • Name • ID number • birth date • home address • phone number Be sure to include get and set methods for each data field. 2) Course class The course class should contain the following fields: • ID Number • Name College (Business, Engineering, Nursing, etc) • An Array of person objects . 3) University class The University class should contain the data fields for the university, such as: • University name • Federal ID number • Address • Array / ArrayList of course class objects • Array / ArrayList of person class objects Extended Classes: 4 & 5) Extend the Person class into Student class and Employee class 6) Extend the Employee class into Instructor class and Staff class 7 & 8) Extend the Student class into graduate Student and undergrad Student class 9) Registration Class ---> The Registration class creates transactions to link each student with…
please answer with proper explanation and step by step solution. Question: Program in python: Design a simple class called Dealership, that has two functions: buyCar(Car a) and sellCar(Car a). buyCar(Car a): Adds the car to the list of cars already in the dealership. sellCar(Car a): Removes the car from the list of cars already in the dealership. Note: Implementation of the Car class is not important for this question
6. Patient Charges Write a class named Patient that has attributes for the following data: • First name, middle name, and last name • Address, city, state, and ZIP code • Phone number ● The Patient class's init__ method should accept an argument for each attribute. The Name and phone number of emergency contact Patient class should also have accessor and mutator methods for each attribute. Next, write a class named Procedure that represents a medical procedure that has been performed on a patient. The Procedure class should have attributes for the following data: • Name of the procedure • Date of the procedure • Name of the practitioner who performed the procedure • Charges for the procedure 107 The Procedure class's __init__ method should accept an argument for each attribute. The Procedure class should also have accessor and mutator methods for each attribute Next, write a program that creates an instance of the Patient class, initialized with sample data. Then, create three…
Two data members: feet(int) and inches(float) Two overloaded constructors: one that takes no argument and the other that takes two arguments. Zero argument constructor initializes data members from 0 whereas two argument constructor initializes data members from the passed arguments. Two getters and two setters corresponding to two data members. A member function named toDecimal that converts a distance to decimal, e.g., if a distance equals 2 feet and 6 inches then it would become 2.5 in decimal. A member function named toString that returns a string representation of a distance, e.g., if a distance equals 2 feet and 6 inches then the corresponding string representation should be 2’-6”. by using C++
Task-1: Both computer and software engineering programs blend the broad engineering discipline courses with the computer science specific courses. Hence, it is a good idea to represent the "course" as an object before attempting to write a program to help students get register to the courses. The programmer can think of the abstraction of a course object as the representation of title, code, and credit values only. Write a class declaration for the course object that includes a constructor, a set and a get member function for each data member, and a member function that returns the course information upon request. For instance, for this course it should prepare a string like “COMP218 - Object-Oriented Programming". a) Use C++-strings for the representation of string of characters. b) Use C-strings for the representation of string of characters.
||| Part 1 Create a UML class diagram for the Time class as described below: The class will have two integer instance variables representing hours and minutes. These will be stored in standard 24-hour time. The class must have the following methods: • a default constructor that sets the time to midnight a constructor that takes two integer variables representing the hours in 24- hour time (0-23) and the minutes in the range 0-59. This constructor will validate the constructor inputs and will set the time to midnight if either value is outside of the needed range. a constructor that takes two integers and a string. The string must be either "AM" or "PM", and the integer will be the hours in the range 1-12 and the minutes in the range 0-60. Again, the constructor will validate the constructor inputs and will set the time to midnight if either value is outside of the needed range or the String is not "AM", "am", "PM", or "pm". getters and setters for the hours and minutes. The setters…
Description: In a hypothetical class, students take two midterms and an optional final. If a student takes the final and gets in it a better score than the lowest of the two midterm scores, then the lowest midterm score would be replaced by the comprehensive final score. The overall score will then be calculated by averaging the three test scores. If the student does not take the optional final, the overall score is calculated using only the two midterm scores. Students’ exam scores are included in the “Question1” tab in the attached worksheet. Empty data entries for the optional comprehensive final means that the student did not take the optional final. Tasks: Task 1: In Question1_Module, code a function that requires midterm1 score, midterm2 score, and comprehensive final as inputs and calculate the overall score per the description above. Task 2: In Question1_Module, code a Sub that uses the function coded in task 1 to fill column ‘I’ of the worksheet and link this…
9. A university XYZ would like to have a system that will calculate grade for their students. Thus, you have been assigned to develop the system that requires student name and mark as an input to the system. The system will calculate the grade based on the following table. Grade Mark 0-39.9 40 - 59 60 - 70 71 - 80 81 - 100 F C A The example of the output as follows: : Jung Lee : 75 : Jeongmoon : 85.5 Enter a student name Enter a mark Enter a student name Enter a mark =====- ======= =====-== : Jung Lee : 75.0 Student name Mark Grade : B ===== =======-- ======== : Jeongmoon : 85.5 : A Student name Mark Grade ====

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