1. A class called Author is designed to model a book's author. It contains:• Three private instance variables: name (String), email (String), and gender (char of either'm' or 'f);An _init_0 to initialize the name, email and gender with the given valuesGetters/Setters: getName(), getEmail), setEmail(), and getGender()(There are no setters for name and gender, as these attributes cannot be changed.)• A _str_) method that returns printable string of that object with the following format:"Author[name=?,email=?,gender=?]"e.g., "Author[name=Tan Ah Teck,email=ahTeck@somewhere.com,gender=m]".Write the Author class. Also write a test driver code to test all the public functions, e.g.,ahTeck = Author("Tan Ah Teck", "ahteck@nowhere.com", 'm') # Test the constructorprint(ahTeck)ahTeck.setEmail("paulTan@nowhere.com")print("Name is: ", ahTeck.getName()print("Email is: ", ahTeck.getEmail0)print("Gender is: ", ahTeck.getGender())# Test _str_0# Test setter# Test getter# Test getter# Test getterSave your code as author.py.

An __init__ method in Python, for a class, is its constructor that initializes the member values at…

Answered: A class called Author is designed to…

Computer Networking: A Top-Down Approach (7th Edition)

7th Edition

ISBN:9780133594140

Author:James Kurose, Keith Ross

Publisher:James Kurose, Keith Ross

Chapter1: Computer Networks And The Internet

Section: Chapter Questions

Problem R1RQ: What is the difference between a host and an end system? List several different types of end...

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15. Suppose the class Employee is declared as follows: public class Employee { private String name; private double baseSalary: public void setName(String newName) {...} public void setBasSalary(double newSalary){...} public String getName() {...} public double getSalary({...} } a)Declare a class Manager that inherits from the class Employee and adds an instance variable bonus for storing a salary bonus. Omit constructors and methods. ANS: b) Which instance variables does the Manager class have? c) In the manager class, provide the method overrides the getSalary method from the class Employee so that it returns the sum of the salary and the bonus d) Based on the above question, which methods does the manager class inherit? e) In the manager class, override the getName method so that managers have a before their name (such as *John Smith).
7. When a class contains objects of another class, the relationship is called a whole-part relationship or composition. The relationship created is also called a has-a relationship. Discuss some of the possible issues with composition, such as the long statement: Outputsales.getHighestPaidEmployee().getHireDate().getYear().
Design a Ship class that has the following members:• A field for the name of the ship (a string).• A field for the year that the ship was built (a string).• A constructor and appropriate accessors and mutators.• A toString method that displays the ship's name and the year it was built.Disign a CruiseShip class that extends the Ship class. The CruiseShip class should have thefollowing members:• A field for the maximum number of passengers (an int).• A constructor and appropriate accessors and mutators.• A toString method that overrides the toString method in the base class. The CruiseShipclass's toString method should display only the ship's name and the maximum number ofpassengers.Design a CargoShip class that extends the Ship class. The CargoShip class should have thefollowing members:• A field for the cargo capacity in tonnage (an int).• A constructor and appropriate accessors and mutators.• A toString method that overrides the toString method in the base class. The CargoShipclass's…
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…
class IndexItem { public: virtual int count() = 0; virtual void display()= 0; };class Book : public IndexItem { private: string title; string author; public: Book(string title, string author): title(title), author(author){} virtual int count(){ return 1; } virtual void display(){ /* YOU DO NOT NEED TO IMPLEMENT THIS FUNCTION */ } };class Category: public IndexItem { private: /* fill in the private member variables for the Category class below */ ? int count; public: Category(string name, string code): name(name), code(code){} /* Implement the count function below. Consider the use of the function as depicted in main() */ ? /* Implement the add function which fills the category with contents below. Consider the use of the function as depicted in main() */ ? virtualvoiddisplay(){ /* YOU DO NOT NEED TO IMPLEMENT THIS FUNCTION */ } };
#Python IDLE: #Below is my Pizza class ,how would I write the function described in the attached image,based on this class? # The Pizza class should have two attributes(data items): class Pizza: # The Pizza class should have the following methods/operators): # __init__ - # constructs a Pizza of a given size (defaults to ‘M’) # and with a given set of toppings (defaults to empty set). def __init__(self, size='M', toppings=set()): self.size = size self.toppings = toppings # setSize – set pizza size to one of ‘S’,’M’or ‘L’ def setSize(self, size): self.size = size # getSize – returns size def getSize(self): return self.size # addTopping – adds a topping to the pizza, no duplicates, i.e., adding ‘pepperoni’ twice only adds it once def addTopping(self, topping): self.toppings.add(topping) # removeTopping – removes a topping from the pizza def removeTopping(self, topping):…
Please type the code for the following problems in Python

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