QI/ write a program to define a class called Facebook that has the properties personName and personAge, and personNum which indicates the number of object of type Facebook. The class also has the methods setPersonName (that set the name of the Facebook owner), getPersonName (that return the name of the Facebook owner) and displayMessage (that display the Facebook owner name). Use class constructor to display a message "A Facebook page has been create". Write a program to create an aray of objects named fArray which has (5) objects of type Facebook with the following properties: C++ person Name Ali Zaki personAge 30 45 Rami 25 Ayser Zaid 50 60

QI/ write a program to define a class called Facebook that has the properties personName and personAge, and personNum which indicates the number of object of type Facebook. The class also has the methods setPersonName (that set the name of the Facebook owner), getPersonName (that return the name of the Facebook owner) and displayMessage (that display the Facebook owner name). Use class constructor to display a message "A Facebook page has been create". Write a program to create an aray of objects named fArray which has (5) objects of type Facebook with the following properties: C++ person Name Ali Zaki personAge 30 45 Rami 25 Ayser Zaid 50 60

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Java Question - Using the bottom code, create another class named "DigitalBook" as a subclass of the given "Book" class. Then, Make sure that the "DigitalBook" class contains two constructors: (1) one is the default constructor that takes no parameter, and (2) the other is a parameterized constructor that take 6 parameters. Be sure to use the “super” keyword in the constructors of the "DigitalBook" class. In the “main()” method of the “EX12_1” class, create four instances: “b1”, “b2”, d1”, and “d2”. Let “b1” and “b2” be the instances of the “Book” class, and let the “d1” and “d2” be the instance of the “DigitalBook” class. Be sure to use the specified constructor (as shown in attached picture) to initialize these instances. The Final Output is shown in the attached pictures. Add the following code to the "class Book" code (Below the ___ line). public class EX12_1{public static void main(String[] args){/////add your code here}}…
-Design a class named AutomobileLoan that holds a loan number, make and model of automobile, and balance. Include methods to set values for each data field and a method that displays all the loan information.
Define a class called Country. A Country has populationSize, area, capital, currency, and abbreviation (2-3 letters taken from the country name). Define at least two constructors, at least two getter methods, at least two setter methods, and Override the toString() and the equals() methods. The equals() method must return true if the two countries have the same name and same populationSize and false otherwise. The abbreviation is the first letter and the second letter of the country name and must be generated automatically (e.g. if the country name is Palestine the abbreviation is PA, if the country name is Jordan the abbreviation is JO.) Write a main method, define an array of country objects, read countries data from the user, if two countries have the same abbreviation add the last letter from the country name to the abbreviation of the country inserted last. Display countries whose area is greater than 10000 km2.
PLEASE FAST Define a class called Country. A Country has populationSize, area, capital, currency, and abbreviation (2-3 letters taken from the country name). Define at least two constructors, at least two getter methods, at least two setter methods, and Override the toString() and the equals() methods. The equals() method must return true if the two countries have the same name and same populationSize and false otherwise. The abbreviation is the first letter and the second letter of the country name and must be generated automatically (e.g. if the country name is Palestine the abbreviation is PA, if the country name is Jordan the abbreviation is JO.) Write a main method, define an array of country objects, read countries data from the user, if two countries have the same abbreviation add the last letter from the country name to the abbreviation of the country inserted last. Display countries whose area is greater than 10000 km2.
Define a class called Country. A Country has population S ize, area, capital, currency, and abbreviation ( (2-3 letters taken from the country name). Define at least two constructors, at least two getter methods, at least two setter methods, and Override the toString() method and the equals() method. The equals() method must return true if the two countries have the same name and same area and false otherwise The abbreviation is the first letter and the letter before the last of the country name and must be generated automatically eg if the country name is Palestine the abbreviation is PN, if the country name is Jordan the abbreviation is JA) Write a main method, define an array of country objects, read countries data from the user, if two countries have the same abbreviation add the last letter from the country name to the abbreviation o one million. f the country inserted last Display countries whose populationSize is greater than
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In the below code I get the following error when running the test for verifying of stored private data members: Error = Test Failed: 'Employee' object has no attribute '_name' class Employee:""" Employee class that has a constructor with input arguments and getter methods."""# Defining private variables of employee class# Constructor and initialization of employee attributesdef __init__(self, name, id, sal, mail):self.__emp_name = nameself.__emp_id = idself.__emp_sal = salself.__emp_mail = mail# Getter methods for private variables defined abovedef get_name(self):return self.__emp_namedef get_ID_number(self):return self.__emp_iddef get_salary(self):return self.__emp_saldef get_email_address(self):return self.__emp_maildef make_employee_dict(names, ids, sal, mails):"""Function to create employee objects and return the dictionary using those objects"""diction = {}for i in range(len(names)):# Making employee object and adding to dictionaryemp = Employee(names[i], ids[i], sal[i],…
Problem 1: Java programComplete the Clothing class, the class should have the following instance variables, constructor(s) and instance methods:- An instance variable of type double named price.- An instance variable of type String named type.- An instance variable of type String named size.- A default “no-arg” constructor that sets the price to 29.9, the type to “TShirt” and the size to “Medium”. - An overloaded constructor that takes three parameters and set the instance variables accordingly. - A method named increasePrice that takes no parameters and returns no value, the method increases the instance variable price by 5.- An overloaded method increasePrice that takes a double parameter xand returns no value, the method increases the instance variable price by the value of parameter x.- A method named details which takes no parameters, returns no value, the method prints the Clothing item details in the format shown in the sample output.- Your output should look exactly the same…
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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 MarineAnimalCreate 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…
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