Copy constructor definition requires __________________ i) Object to be passed by value ii) Object not to be passed to it iii) Object to be passed by reference iv) Object to be passed with each data member value

Copy constructor definition requires __________________ i) Object to be passed by value ii) Object not to be passed to it iii) Object to be passed by reference iv) Object to be passed with each data member value

EBK JAVA PROGRAMMING

9th Edition

ISBN:9781337671385

Author:FARRELL

Publisher:FARRELL

Chapter9: Advanced Array Concepts

Section: Chapter Questions

Problem 9PE

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Class Student __init__(self, id: int, fist_name: str, last_name: str, town:str): """ This creates a student object with the specified ID first and last name and home town. This constructor should also create data structure for holding the students grades for all of there assignments. Additionally it should create a variable that holds the student's energy level which will be a number between 0 and 1. :param id: The student's identifiaction number :param fist_name: The student's first name :param last_name: The student's last name :param town: The student's home town """ get_id(self)->int: """ Returns the ID of the student as specified in the constructor. :return: The student's ID """ get_first_name(self) -> str: """ Returns the first name of the student. :return: The student's first name """ set_first_name(self, name:str): """ Changes the student first name to the specified value of the name parameter. :param name: The value that the first name of the student will equal. """…
Create a class called Student that includes a data member that holds a name for each object created from the class and a data member that represents the number of students. That is, the first object created will be 1, the second 2, and so on.To do this, you’ll need another data member that records a count of how many objects have been created so far. (What keyword specifies this?) Then, as each object is created, its constructor increase the count member variable by one.Then write a main() program that creates three objects and queries each one about their names and the count.
A class named CafeService contains • Two data members i.e. the orderID and the price of food item(s) served by • A no-argument constructor to initialize both data fields with default values of “ord#0”, 0.0• A parameterized constructor to initialize all data fields with user-defined valuesDerive a class named StaffService from the class CafeService that holds the following:• Two data members i.e. o serviceFee, o the cabinNumberto which the service has been made• A function named totalCharges that returns total cost of an order (including serviceFee + price of food item(s) served)• A parameterized constructor, which requires arguments for all of its own data fields as well as for the data fields of base class• A member function named display() to show all the details of an order including orderID,price, and totalChargesIn the main() function, instantiate an object of class StaffService object and test the implementation of both classes through this object.
Question: let's we have a class named Distance having two private data members such as feet(integer), inches(float), one input function to input values to the data members, one Display function to show the distance. The distance 5 feet and 6.4 inches should be displayed as 5’- 6.4”. Then add the two objects of Distance class and then display the result (the + operator should be overloaded). You should also take care of inches if it's more than 12 then the inches should be decremented by 12 and feet to be incremented by 1.
In previous chapters, you have created programs for the Greenville Idol competition. Now create a Contestant class with the following characteristics: The Contestant class contains public static arrays that hold talent codes and descriptions. Recall that the talent categories are Singing Dancing, Musical instrument, and Other. The class contains an auto-implemented property that holds a contestants name. The class contains fields for a talent code and description. The set accessor for the code assigns a code only if it is valid. Otherwise, it assigns I for Invalid. The talent description is a read-only property that is assigned a value when the code is set. Modify the GreenvilleRevenue program so that it uses the Contestant class and performs the following tasks: The program prompts the user for the number of contestants in this years competition; the number must be between 0 and 30. The program continues to prompt the user until a valid value is entered. The expected revenue is calculated and displayed. The revenue is $25 per contestant. The program prompts the user for names and talent codes for each contestant entered. Along with the prompt for a talent code, display a list of the valid categories. After data entry is complete, the program displays the valid talent categories and then continuously prompts the user for talent codes and displays the names of all contestants in the category. Appropriate messages are displayed if the entered code is not a character or a valid code.
In java programming language Design a class named Account that contains:• A private double data field named annualInterestRate that stores the current interest rate.Assume all accounts have the same interest rate (i.e. static member data).• A private int data field named nextAccountNb that stores the next account number to beassigned (default 300). Assume all accounts use this data member to assign the account number while creating an account (i.e. static member data).• A private int data field named accounNb for the account.• A private String data field named f_name for first name.• A private String data field named l_name for last name.• A private double data field named balance for the account.• A private Date data field named dateCreated that stores the date when the account wascreated. (usejava.util.Dateclass)• A constructor that creates an account for a given first name, last name, and initial balance. It sets up a new account number, first name, last name, balance, date of…
Create a class called time. The time class has three private data members of type int, named hours, minutes and seconds. • Provide a no‐argument constructor for the class which initializes the data members to 0. • Provide another constructor which sets the data members to the values passed from the main. It should also validate whether the values are correct i.e., hours should be between 0 and 23 (inclusive), minutes should be between 0 and 60 (inclusive) and seconds should also be between 0 and 60 (inclusive). If an invalid value is entered, the constructor should automatically change it to 0. • Write a function getTime() which asks the user to input the values for hours, minutes and seconds. While taking the input values, it must also validate the input values as in the above case. • Write a function displayTime() which displays the time in the format 11:39:45 i.e. hours:minutes:seconds. • Write a function totaltime () that adds two objects of type Time passed as…
Create a class called Employee that includes four pieces of information as data members — a first name (type string), a middle name (type string) , a last name (type string)and a monthly salary (type int). Your class should have a constructor that initializes the four data members. Provide a set and a get function for each data member. If the monthly salary is not positive, set it to 0. Write a test program that demonstrates class Employee’s capabilities. Create two Employee objects and display each object’s yearly salary.
Question Create a class called Quadratic for performing arithmetic on and solving quadratic equations. A quadratic equation is an equation of the form ax2 + bx + c = 0 Where a !=0. Use double variables to represent the values of a, b, and c and provide a constructor that enables objects of this class to be initialized when they are created. Give default values of a = 1, b = 0, and c = 0. Create a char variable called variable to represent the variable used in the equation and give it a default value of x. The constructor should not allow the value of a to be 0. If 0 is given, assign 1 to a). Provide public member functions that perform the following tasks. add—adds two Quadratic equations by adding the corresponding values of a, b, and c. The function takes another object of type Quadratic as its parameter and adds it to the calling object. subtract—subtracts two Quadratic equations by subtracting corresponding values of a, b, and…
Create a class called Employee that includes three pieces of information as data members—a first name (type string), a last name (type string) and a monthly salary (type int). Your class should have a constructor that initializes the three data members. Provide a set and a get function for each data member. If the monthly salary is not positive, set it to 0. Write a test program that demonstrates class Employee’s capabilities. Create two Employee objects and display each object’s yearly salary. Then give each Employee a 10 percent raise and display each Employee’s yearly salary again.
Create a class called Complex for performing arithmetic with complex numbers. Write a program to test your class. Complex numbers have the formrealPart + imaginaryPart * iwhere i is _/ -1Use double variables to represent the private data of the class. Provide a constructor that enables an object of this class to beinitialized when it’s declared. The constructor should contain default values in case no initializers are provided. Providepublic member functions that perform the following tasks: "add —Adds two Complex numbers: The real parts are added together and the imaginary parts are added together."
Create a class called Point that has two data members: x- and y-coordinates of the point. Provide a no-argument and a 2-argument constructor. Provide separate get and set functions for the each ofthe data members i.e. getX, getY, setX, setY. The getter functions should return the corresponding values to the calling function. Provide a display method to display the point in (x, y) format. Make appropriate functions const. Derive a class Circle from this Point class that has an additional data member: radius of the circle. The point from which this circle is derived represents the center of circle. Provide a no-argument constructor to initialize the radius and center coordinates to 0. Provide a 2-argument constructor: one argument to initialize the radius of circle and the other argument to initialize the center of circle (provide an object of point class in the second argument). Provide a 3-argument constructor that takesthree floats to initialize the radius, x-, and y-coordinates of…