8. Design a class called Date that has integer data members to store month, day, and year. The class should have a three-parameter default constructor that allows the date to be set at the time a new Date object is created. If the user creates a Date object without passing any arguments, or if any of the values passed are invalid, the default values of 1, 1, 2001 (i.e, January 1, 2001) should be used. The class should have member functions to print the date in the following formats: 1/15/2016 January 15, 2016 15 January 2016
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OOPs
In today's technology-driven world, computer programming skills are in high demand. The object-oriented programming (OOP) approach is very much useful while designing and maintaining software programs. Object-oriented programming (OOP) is a basic programming paradigm that almost every developer has used at some stage in their career.
Constructor
The easiest way to think of a constructor in object-oriented programming (OOP) languages is:
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- Please, I want to modify the code so that the user can add the employee's name, number and specialization, and use for loob He must add more than one employee. When he finishes adding the employee’s data, he asks the user: Do you want 1-Print the data 2-Add a new employee 3-Exit class Doctor:"""Represents a Doctor""" #initializer with specialization default to "general"def __init__(self, Id, name, specialization="general"):#attributesself.Id = Idself.name = nameself.specialization = specialization.lower() #initializing salary to 25000, basic salaryself.salary = 25000 #incrementing salary based on specialization#if specialization is pediatric, increasing salary by 10%if specialization == "pediatric":self.salary += self.salary*10/100 #if specialization is dental, increasing salary by 15%elif specialization == "dental":self.salary += self.salary*15/100 #str() functiondef __str__(self):return (f"Id: {self.Id} \n"f"Name: {self.name} \n"f"Specialization: {self.specialization} \n"f"Salary:…Exercise 7.13 JHTP (Date Class): Create a class called Date that includes 3 instance variables—a month (type int), a day (type int), and a year (type int). Provide a constructor that initializes the 3 instance variables and assumes the values provided are correct. Provide a set and a get method for each instance variable. Provide a method displayDate that displays the month, day, and year separated by forward slashes(/). Write a test application named DateTest that demonstrates class Date’s capabilities. Java codePlease provide JAVA source code for following assignment. Please attach proper comments and read the full requirements. The local Driver’s License Office has asked you to write a program that grades the written portion of the driver’s license test The test has 20 multiple choice questions. Here are the correct answers: B D A A C A B A C D B C D A D C C D D A A student must correctly answer 15 of the 20 questions to pass the exam. Write a class named Drivertest that holds the correct answers to the test in an array field. The class should also have an array field that holds the student’s answers. The class should have the following methods: passed. Returns true if the student passed the test, or false if the student failed totalCorrect. Returns the total number of correctly answered questions totalIncorrect. Returns the total number of incorrectly answered questions questionsMissed. An int array containing the…
- Create a class called Rational (separate the files as shown in the chapter) for performing arithmetic with fractions. Write a program to test your class. Use integer variables to represent the private data of the class-the numerator and the denominator. Provide a constructor that enables an object of this class to be initialized when it's declared. The constructor should contain default values in case no initializers are provided and should store the fraction in reduced form. For example, the fraction 2/4 would be stored in the object as 1 in the numerator and 2 in the denominator. Provide public member functions that perform each of the following tasks: add - Adds two Rational numbers. The result should be stored in reduced form. subtract - Subtracts two Rational numbers. Store the result in reduced form. multiply - Multiples two Rational numbers. Store the result in reduced form. divide - Divides two Rational numbers. The result should be stored in reduced form. (toRationalString -…Create a class called Rational (separate the files as shown in the chapter) for performing arithmetic with fractions. Write a program to test your class. Use integer variables to represent the private data of the class-the numerator and the denominator. Provide a constructor that enables an object of this class to be initialized when it's declared. The constructor should contain default values in case no initializers are provided and should store the fraction in reduced form. For example, the fraction 2/4 would be stored in the object as 1 in the numerator and 2 in the denominator. Provide public member functions that perform each of the following tasks: Make an overloaded operator of the + symbol for the add method - Adds two Rational numbers. The result should be stored in reduced form. Make an overloaded operator of the - symbol for the subtract method - Subtracts two Rational numbers. Store the result in reduced form. Make an overloaded operator of the * symbol for the multiply…#c++# Write a program that inputs a line of text, replaces all punctuation marks with spaces. 2.Create a class called Complex for performing arithmetic with complex numbers. Write a program to test your class. Complex numbers have the form realPart + imaginaryPart * i where i is Use double variables to represent the private data of the class. Provide a constructor that enables an object of this class to be initialized when it’s declared. The constructor should contain default values in case no initializers are provided. Provide public member functions that perform the following tasks: Adding two Complex numbers: The real parts are added together and the imaginary parts are added together. Subtracting two Complex numbers: The real part of the right operand is subtracted from the real part of the left operand, and the imaginary part of the right operand is subtracted from the imaginary part of the left operand. Printing Complex numbers in the form (a, b), where a is the real…
- (a) Use java to create a class named Student that includes data fields for the student ID, name, a total quizscore and static for number quiz taken set to 3. In your class, include the following:(Photo 1as below), Create a driver program that tests all constructors and methods. Create 2 objects using thefollowing information: Declare and create an instance of the class using the no-arg constructor. Use the set methods to assign values to the data fields. Display the data field values of this object. Declare and create an instance of the class using the parameterized constructor.Display the data field values of this object. Display the Average Score for each object.a. Write a class named Student has the following data fields and methods: private int Id private double GPA Constructor to create a Student object with specified name, address, Id and GPA. Accessors and mutators methods for Id and GPA data fields (get and set). A method toString () that returns Id, name and address and GPA. b. Write a test program that creates a Student object with Id:123 Name: Ahmed address: Muscat grade: 2.55 & then call toString () method to display Id, name and address and GPA.Create a program named FriendList that declares an array of eight Friend objects and prompts the user to enter data about the friends. Display the Friend objects in alphabetical order by first name. The Friend class includes auto- implemented properties for the Friend’s name, phone number, and three integers that together represent the Friend’s birthday—month, day, and year. 9. b. Create a FriendBirthday program that modifies the FriendList program created in Exercise 9a so that after the list of Friend objects is displayed, the program prompts the user for a specific Friend’s name and the program returns the Friend’s phone number and birthday. Display an appropriate message if the friend requested by the user is not found. 9. c. Create a program named AllFriendsInSameMonth that modifies the program in Exercise 9b so that after the requested Friend’s birthday is displayed, the program also displays a list of every Friend who has a birthday in the same month. C#…
- 1. Create a class Employee with parameters name, id, designation, and basicSalary. Use appropriate datatypes and access specifiers. Use default constructor to create objects of employee. Write methods toset and get the values of parameters of employee. Write methods to find total salary of employee andto display the complete details of employee along with total salary. Create another class TestEmployeewhich creates array of n number of employees, uses appropriate set methods to set the values ofparameters of every employee. Display the details of each employee. (Total salary = basic salary + 80%of basic salary)Create a class called Rational for performing arithmetic with fractions. Write a program to test your class. Use integer variables to represent the private data of the class the numerator and the denominator. Provide a constructor that enables an object of this class to be initialized when it’s declared. The constructor should contain default values in case no initializers are provided and should store the fraction in reduced form. For example, the fraction 2/4 would be stored in the object as 1 in the numerator and 2 in the denominator. Provide public member functions that perform each of the following tasks:a) Adding two Rational numbers. The result should be stored in reduced form.b) Subtracting two Rational numbers. The result should be stored in reduced form.c) Multiplying two Rational numbers. The result should be stored in reduced form.d) Dividing two Rational numbers. The result should be stored in reduced form.e) Printing Rational numbers in the form a/b, where a is the…Create a class MyTime which has the datamembers as follows: 1. hour: integer (1 to 12)2. minute: integer (0 to 59)3. second: integer (0 to 59)4. pm: bool variable. True means PM time and false means AM time. Implement a default constructor, a parameterized constructor and a copy constructor. Write set and get functions for all the four members of the class. Overload these operators: 1. Extraction operator >> : Prompt the user for hours, minutes, seconds and for am/pm and initialize the structure. Left operand istream object and right operand MyTime2. Assignment = : Assign the right object to the left object. Both operands are of type MyTime.3. Insertion << : Print the time in the format HH:MM SS PM. Left operand of type ostream and right operand of type MyTime. this in c++.