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- (RationalNumber Class) Create a class RationalNumber (fractions) with these capabilities:a) Create a constructor that prevents a 0 denominator in a fraction, reduces or simplifiesfractions that are not in reduced form and avoids negative denominators.b) Overload the addition, subtraction, multiplication and division operators for this class.c) Overload the relational and equality operators for this classUsing classes, design an online address book to keep track of the names, addresses, phone numbers, and dates of birth of family members, close friends, and certain business associates. Your program should be able to handle a maximum of 500 entries. Define a class addressType that can store a street address, city, state, and ZIP code. Use the appropriate functions to print and store the address. Also, use constructors to automatically initialize the member variables. Define a class extPersonType using the class personType (as defined in Example 10-10, Chapter 10), the class dateType (as designed in this chapters Programming Exercise 2), and the class addressType. Add a member variable to this class to classify the person as a family member, friend, or business associate. Also, add a member variable to store the phone number. Add (or override) the functions to print and store the appropriate information. Use constructors to automatically initialize the member variables. Define the class addressBookType using the previously defined classes. An object of the type addressBookType should be able to process a maximum of 500 entries. The program should perform the following operations: Load the data into the address book from a disk. Sort the address book by last name. Search for a person by last name. Print the address, phone number, and date of birth (if it exists) of a given person. Print the names of the people whose birthdays are in a given month. Print the names of all the people between two last names. Depending on the users request, print the names of all family members, friends, or business associates.1- Create a class Rational for performing arithmetic with fractions.Write a driver program to test the class. Provide a constructor thatenables an object of this class to be initialized when it isinstantiated. The constructor should contain default values in caseno initializes are provided and should store the fraction in reducedform. Provide a private function to reduce numbers.Provide Public member functions for each of the followingarithmatic’s functions (addition – subtraction – multiplication –division), printing in the form a/b, printing in floating point formatand final overload the == and != operators to allow comparisons oftwo fraction numbers.Include any additional operations that you think would be useful fora rational number class.Design, implement, and test your class.
- 7.26 LAB: Nutritional information (classes/constructors) Given main(), complete the FoodItem class (in file FoodItem.java) with constructors to initialize each food item. The default constructor should initialize the name to "Water" and all other fields to 0.0. The second constructor should have four parameters (food name, grams of fat, grams of carbohydrates, and grams of protein) and should assign each private field with the appropriate parameter value. Ex: If the input is: Water the output is: Nutritional information per serving of Water: Fat: 0.00 g Carbohydrates: 0.00 g Protein: 0.00 g Number of calories for 1.00 serving(s): 0.00 Ex: If the input is: M&M's 10.0 34.0 2.0 3.0 where M&M's is the food name, 10.0 is the grams of fat, 34.0 is the grams of carbohydrates, 2.0 is the grams of protein, and 3.0 is the number of servings, the output is: Nutritional information per serving of M&M's: Fat: 10.00 g Carbohydrates: 34.00 g Protein: 2.00 g Number of calories for 1.00…Please read the main function and define a class CStudent. (object array, static member, string) Please do not change the main function and complete the program given. 【Description】 Please read the main function and define a class CStudent. In the main funciton, two arrays of the ojbect of CStudent are define. Please analyze the call of constructor and destructor in the process of creating and releasing objects. 1. CStudent has two private member variables:stirng name, int age. 2. CStudent has a static member count. It will be incremented by 1 when the object is created and decremented by 1 when the object is destroyed. 3. The constructor function should output "*** is contructing". The destructor function should output “*** is destructing”. "***" indicates the name of the current CStudent object. 【Input】 No input 【Output sample】 There are 0 students. noname is contructing noname is contructing noname is contructing noname is contructing noname is contructing name:noname…Use JAVA - This task helps you understand how constructors work in inheritance Create a superclass, called SuperClass. Create a constructor for it. Inside the constructor, let it print “this is super class.” Create a childclass of SuperClass, called ChildClass. Create a constructor for it. Inside the constructor, let it print “this is child class.” Create a main function and create a new object for ChildClass. Observe what’s printed in console. What will happen if you have a default constructor without parameters in addition to the one with parameters?
- class first { public: void setX(); void print() const; protected: int y; void setY(int a); private: int x; }; Suppose that class second is derived from class first using the statement: class second: private first which members of class first are private, protected, and public in class second?CPP OOP - Create two classes named Mammals and MarineAnimals. Create another class named BlueWhalewhich inherits both the above classes. Now, create a function in each of these classes which prints"I am mammal", "I am a marine animal" and "I belong to both the categories: Mammals as well asMarine Animals" respectively. Now, create an object for each of the above class and try callingfunction of Mammals by the object of Mammalfunction of BlueWhale by the object of BlueWhalefunction of each of its parent by the object of BlueWhalefunction of MarineAnimal by the object of MarineAnimal6.1 LAB: Pet information (derived classes)The base class Pet has protected fields petName, and petAge. The derived class Cat extends the Pet class and includes a private field for catBreed. Complete main() to: create a generic pet and print information using printInfo().create a Cat pet, use printInfo() to print information, and add a statement to print the cat's breed using the getBreed() method.Ex. If the input is: Dobby2Kreacher3Scottish Foldthe output is: Pet Information:Name: DobbyAge: 2Pet Information:Name: KreacherAge: 3Breed: Scottish Fold
- Instructions-Java Assignment is to define a class named Address. The Address class will have three private instance variables: an int named street_number a String named street_name and a String named state. Write three constructors for the Address class: an empty constructor (no input parameters) that initializes the three instance variables with default values of your choice, a constructor that takes the street values as input but defaults the state to "Arizona", and a constructor that takes all three pieces of information as input Next create a driver class named Main.java. Put public static void main here and test out your class by creating three instances of Address, one using each of the constructors. You can choose the particular address values that are used. I recommend you make them up and do not use actual addresses. Run your code to make sure it works. Next add the following public methods to the Address class and test them from main as you go: Write getters and…Use C++ Create a class called Fruit. Add one member variables name. Add only one getter function for the name. The get function returns name. Implement a constructor that expects name value and assigns it to the member variable. This class doesn't have an empty constructor. Create a subclass of Fruit named CitrusFruit. The CitrusFruit class has two member variables weight and color. Add a constructor which expects weight and name and color.Pass name to the base constructor and set weight and color to it's member variable. Write a program that has an array of 3 Fruits, and an array of 3 CitrusFruits. Feel free to give the name , weight and color to the object as your choice. Use loops to print out the array properties to the terminal screen.1.Use inheritance and classes to represent a deck playing cards. Create a Card class that stores the suit (e.g., Clubs, Diamonds, Hearts, Spades) and name (e.g., Ace, 2, 10, Jack) of each card along with appropriate accessors, constructors, and mutators.2.Next, create a Deck class that stores an ArrayList of Card objects. The default constructor should create objects that represent the standard 52 cards and store them in the ArrayList. The Deck class should have methods to do the following: Print every card in the deck. Shuffle the cards in the deck. You can implement this by randomly swappingevery card in the deck. Add a new card to the deck. This method should take a Card object as a parameter and add it to the ArrayList. Remove a card from the deck. This removes the first card stored in the ArrayList and returns it. Sort the cards in the deck ordered by name. 3.Next, create a Hand class that represents the cards in a hand. Hand should be derived from Deck. This is…