Rational numbers are used to represent fractions. Arithmetic operations can also be performed on rational numbers. Create a class to define such numbers. Write a program to test your class. Use integer variables to represent the private instance variables of the class the numerator and the denominator. Provide a constructor that initializes an object of this class when it's declared. Provide all overloaded constructors which are possible. Also provide a default constructor with default values in case no initialization is provided. For example, the fraction 1/5 would be stored in the object as 1 in the numerator and 5 in the denominator. Note: Denominator cannot be negative. So when you initialize first check whether denominator is zero or not. If denominator is zero display message denominator cannot be zero. Provide public methods that perform each of the following operations: a) Provide set and get methods for instance variables of class. b) Provide a method for adding two rational numbers and print the result. Make this method static. c) Provide a method for subtracting two rational numbers and print the result. d) Provide a method for multiplying two rational numbers and print the result. e) Provide a method for returning a String representation of a rational number in the form a/b, where a is the numerator and b is the denominator. f) Provide Overloaded methods for adding and multiplying rational numbers. Maximum number of arguments for over loaded methods is four.

Q: Java Question - Using the bottom code, create another class named "DigitalBook" as a subclass of the…

A: In Java, The super keyword in Java is a reference variable which is used to refer immediate parent…

Q: Can you call a constructor from another constructor?

A: In Java this keyword is used to refer to the current instance and similar to how we use super() to…

Q: So, the problem is: Create a class named BloodData that includes fields that hold a blood type (the…

A: class BloodData{private String bloodType,RhFact; public BloodData(){bloodType = "O";RhFact = "+";}…

Q: Create a new class called Dog that is derived from the Pet class given in Listing 6.1 of Chapter 6.…

A: CODE TO COPY:-

Q: 1. Write a class "Ball" which extends the class disk. It has deltax and deltay attributes. 2. Write…

A: Code in Java Language : - class disk { } class Ball extends disk { private int deltaX, deltaY;…

Q: Give a complete definition of a class called TitledPerson, which youderive from the class Person in…

A: Give a complete definition of a class called TitledPerson, which youderive from the class Person in…

Q: In this lab you will write three classes: Die, PairOfDice, and Player. The Die class mimics the…

A: Below are the classes required by given problem:

Q: Change the Fraction class so that its instance variables (numerator and denominator) are hidden…

A: Basic mistake here is that there were two classes in which main method is present. Hence one…

Q: Write some Java code involving if, else if, and else statements that are equivalent to the following…

A: As per guidelines we are supposed to answer only one question. Kindly repost other questions as a…

Q: In this exercise, you have to calculate the student's total marks using the concept of Classes…

A: Algorithm: Start Create a class named Student with name, mark1 and mark2 as its private attributes…

Q: (A) Write a class called Course having data members: courseNum (String such as ITCS214), courseName…

A:

Q: Create a base class called Animal. All animals have a name (i.e. “Fido,” “Thumper,” “Princess,”…

A: #include<iostream>#include<stdlib.h>#include<time.h>using namespace std; class…

Q: a. create a class called Student that has four instance variables -a (String) name, a (long)…

A: Hi there, Please find your solution below, I hope you would find my solution useful. Thank You!

Q: Write a Clothing class with the following attributes: color (e.g., "blue", "green", "orange")…

A: // Code in java is as follows Clothing{ //clothing class    private String color; //color of…

Q: Write and fully test a class that represents rational numbers. A rational number can be represented…

A: Note: This code should be rewritten instead of copying to the compiler otherwise it will throw a…

Q: 1. Write a class "Ball" which extends the class disk. It has deltax and deltay attributes. 2. Write…

A: I have provided the answer based on Java Programming. Detailed comments are included for a better…

Q: Write a Java class called HotelRoom that represents a hotel room. The class will contain the…

A: Java Code for above :   class HotelRoom{     int RoomNo;     String PhoneNumber;     int Capacity;…

Q: 2A. Create a Date class with three integer instance variables named day, month, year. It has a…

A: Create a class Date.   Declare integer variables to hold the number of days, months and the year.…

Q: For this Programming  Employee class should have instance variables to store the employee ID as an…

A: Step 1 : Create Empolyee class and two variable instance of id int and String dept Step 2 :  create…

Q: For the Circle class, create the following: • A private double instance variable m_radius. • A…

A: i.Class of circle The following class diagram depicts the design of a circle class. It includes the…

Q: Suppose there is a class Eye already created and has constructors and get and set methods. Write the…

A: Given data is shown below:

Q: The Java feature in Q1 which create a new version of predefined method getPerimeter() is called…

A: ANSWER:- Polymorphism

Q: Create a class called Employee as a a derived class of the class Person. An employee record has an…

A: Below is the code in java as language is not mentioned and sample output:

Q: a class, Team.java, that has the following:  * two private instance variables: a String named color…

A: // Java Code: import java.io.*; class Team{ //declaring the private variables private String color;…

Q: Complete the FoodItem class by adding a constructor to initialize a food item. The constructor…

A: main.cpp #include "FoodItem.h"#include <stdio.h>#include <iostream> using namespace std;…

Q: Create a class called Employee as a a derived class of the class Person. An employee record has an…

A: Create a class called Employee as a a derived class of the class Person. An employee record has an…

Q: Extend the design of the class in Question 2 (a) to include a subclass, called MutatedHero, that…

A: we need to design a subclass which can be added to class,below i have written the required subclass…

Q: In this exercise, you are going to be working with 4 classes, a Book superclass with TextBook and…

A: Actually, Java is a programming language originally developed by James Gosling at Sun Microsystems…

Q: In this lab you will write three classes: Die, PairOfDice, and Player. The Die class mimics the…

A: import java.util.Random;public class Die {    private int sides;    private int face;    public…

Q: In this java assignment, we will be creating a pay stub for an employee using classes. Each class…

A: The above program makes use of Scanner class defined within java.util package that is used to take…

Q: n? What happens if data is not encapsulated within a class? Is there a way to access data which is…

A: Why do we need encapsulation? What happens if data is not encapsulated within a class? Is there a…

Q: Write a class encapsulating the concept of the weather forecast, assuming that it has the following…

A: Since programming language is not mentioned in the question, we will answer this question in the…

Q: ight triangle class with instance variables(double) for sideA, sideB and the hypo. write three…

A: We need to define the class RightTriangle per the given description.

Q: Design a class called circle which contains: -Two instance variables: radius (type double) and color…

A: As per our company guidelines, we are supposed to answer only one question per post and kindly…

Q: Given this class, please add the requested methods in the designated spaces provided. Instance…

A: public class Student {     // declare instance variables here    private int ID;    private String…

Q: Create a class, OverloadingClass, with four overloading methods, each of which has parameters,…

A: If more than one method shares the same method name with different parameter(parameter…

Q: Create a base class with an abstract print( ) method that is overridden in a derived class. The…

A: Below is the required JAVA program: - Approach: - Defining the class Base. Defining the default…

Q: Assume a Student class contains a declaration for a method called getId () that returns a String.…

A: Method overriding means child class have same method name with same parameters with same return type…

Q: Write a class called Pants that contains the following information: 1. Private instance variables…

A: use throw new IllegalArgumentException() to throw this kind of exception when input is beyond range.…

Q: Write a shoe class with the following attributes: color (e.g., "blue", "green", "orange")…

A: Step 1:- Given:- 1.Create a class Clothing and its attributes are color,displayName, and price…

Q: Java Question - Using the bottom code, create another class named "DigitalBook" as a subclass of the…

A: class Book{    public int totalPage, totalChapter;    public double unitPrice;    public String…

Q: Write a class that represents a digital snowman. Your class should follow these guidelines: 1. Store…

A: A program that satisfies the given criteria is as follows, File name: “DigitalSnowMan” import…

Q: Write a class that tests and demonstrates that your Candidate and Election classes implement the…

A: The code for the above given question is given below:

Q: Write a class called person, which contains: A private class variable, Counter, initialized with…

A: //C++ program#include <iostream> using namespace std; class person{    //class variable…

Q: A class called MyPoint, which models a 2D point with x and y coordinates, is designed as shown in…

A: A class called MyPoint, which models a 2D point with x and y coordinates, is designed as shown in…

Q: the class should be named Change. The class requires at least 2 instance variables for the name of a…

A: Change.java import java.util.ArrayList; public class Change {private String name;private int change,…

Q: Design a class called Pokemon using a parameterized constructor so that after executing the…

A: Here, Code instruction is given.