Write a class named Book that has the following fields: ● author. The author field is a String object that holds the author's name. title. The title is a String object that holds the book's title. pages. The pages field is an int variable that holds the number of pages of the book. publisher. The publisher field is a String object that holds the publisher's title. phone. The phone field holds the publisher's phone number. What data type will you use for this field? Why?
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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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- Create a class named Person that holds the following fields: two String objectsfor the person’s first and last name and a LocalDate object for the person’sbirthdate. Create a class named Couple that contains two Person objects. Create aclass named Wedding for a wedding planner that includes the date of the wedding,the names of the Couple being married, and a String for the location. Provideconstructors for each class that accept parameters for each field, and provide getmethods for each field. Then write a program that creates two Wedding objectsand in turn passes each to a method that displays all the details. Save the files asPerson.java, Couple.java, Wedding.java, and TestWedding.java.PYTHON CLASSES AND OBJECT (The Stock class) Design a class named Stock to represent a company’s stock that contains: ■A private string data field named symbol for the stock’s symbol. ■A private string data field named name for the stock’s name. ■A private float data field named previousClosingPrice that stores the stockprice for the previous day. ■A private float data field named currentPrice that stores the stock price for the current time. ■A constructor that creates a stock with the specified symbol, name, previousprice, and current price. ■A get method for returning the stock name. ■A get method for returning the stock symbol. ■Get and set methods for getting/setting the stock’s previous price. ■Get and set methods for getting/setting the stock’s current price. ■A method named getChangePercent() that returns the percentage changed from previous ClosingPrice to currentPrice.Write a test program that creates a Stock object with the stock symbol INTC, the name Intel Corporation, the…Car Class Project The car classwill havethe following attributes: •year: an integer that holds the car's model year •model: a string that holds the make of the car •make: a string that holds the model of the car •speed: an integer that holds the car's current speed Your class should contain thefollowing: A docstring that briefly describes the class and lists the attributes. The docstring will serve as the documentation for your class. •A constructor (__init__ method) that takes the car's year model and make as optional arguments. The constructor will set the value of the speed attribute to 0.•An __str__ method that returns the car's year model and makein a string. •To test your class, create acar object and use the print function to verify that the constructor and __str__ methodsare working correctly. •An accessor method which returns the value stored in the speed instance variable. Call this method getSpeed(). •A modifier method called accelerate() which adds 5 to the speed variable…
- Car Class Project The car classwill havethe following attributes: •year: an integer that holds the car's model year •model: a string that holds the make of the car •make: a string that holds the model of the car •speed: an integer that holds the car's current speed Your class should contain thefollowing: A docstring that briefly describes the class and lists the attributes. The docstring will serve as the documentation for your class. •A constructor (__init__ method) that takes the car's year model and make as optional arguments. The constructor will set the value of the speed attribute to 0.•An __str__ method that returns the car's year model and makein a string. •To test your class, create acar object and use the print function to verify that the constructor and __str__ methodsare working correctly. •An accessor method which returns the value stored in the speed instance variable. Call this method getSpeed(). •A modifier method called accelerate() which adds 5 to the speed variable…Static & Not Final Field: Accessed by every object, Changing Non-Static & Final Field: Accessed by object itself, Non-Changing Static & Final: Accessed by every object, Non-Changing Non-Static & Not Final Field: Accessed by object itself, ChangingRead the following situation and decide how the variables should be defined. You have a class named HeartsPlayerA round of Hearts starts with every player having 13 cardsPlayers then choose 3 cards to “trade” with a player (1st you pass left, 2nd you pass right, 3rd you pass across, 4th you keep)Players then strategically play cards in order to have the lowest scoreAt the end of the round, points are cumulatively totaled for each player.If one player’s total is greater than 100, the game ends and the player with the lowest score wins. 1. How should the following data fields be defined (with respect to final and static)?(a) playerPosition (These have values of North, South, East, or West)(b) directionOfPassing(c) totalScore…Write a class named Employee that has the following fields:• name. The name field references a String object that holds the employee’s name.• idNumber. The idNumber is an int variable that holds the employee’s ID number.• department. The department field references a String object that holds the name ofthe department where the employee works.• position. The position field references a String object that holds the employee’sjob title.The class should have the following constructors:• A constructor that accepts the following values as arguments and assigns them to theappropriate fields: employee’s name, employee’s ID number, department, andposition. • A constructor that accepts the following values as arguments and assigns them to theappropriate fields: employee’s name and ID number. The department and positionfields should be assigned an empty string (""). • A no-arg constructor that assigns empty strings ("") to the name, department, andposition fields, and 0 to the idNumber field.…
- Write a class named Aircraft that has the following member variables: xear - An variable that holds the aircraft's model year. make - A string object that holds the make of the aircraft Qwuer: A string object that holds the type of owner of the aircraft. speed - An int that holds the aircraft's current speed. altitude, An int that holds the aircraft's current altitude. engine type- a String value to hold the type of the engine the aircraft has In addition, the class should have the following member functions. Constructor - The constructor should accept the aircraft's owner and make arguments and assign these values to the object's owner and make member variables. The constructor should initialize the speed variable to 0 and the altitude variable to 0. Accessors - Appropriate accessor functions should be created to allow values to be retrieved from an object's year, make, owner, altitude, and speed member variables. Mutator - Appropriate mutator function should be created to allow the…1. Employee Class Write a class named Employee that has the following fields: name. The name field references a String object that holds the employee's name. •idNumber. The idNumber is an int variable that holds the employee's ID number. • department. The department field references a string object that holds the name of the department where the employee works. • position. The position field references a string object that holds the employee's job title. The class should have the following constructors: • A constructor that accepts the following values as arguments and assigns them to the appropriate fields: employee's name, employee's ID number, department, and position. • A constructor that accepts the following values as arguments and assigns them to the appropriate fields: employee's name and ID number. The department and position fields should be assigned an empty string ("*). • A no-arg constructor that assigns empty strings ("") to the name, department, and position fields, and…A __________ is a field that cannot be changed by any statement in the class. a. static field b. class name c. key field d. constant field
- Design a class named Stocks that contains: Private Data Members: A string data field named symbol for the stock’s symbol. A string data field named name for the stock’s name. A double data field and prevClosingPrice that stores the stock price for the previous day. A double data field named currentPrice that stores the stock price for the current day. Accessor and mutator functions for all data members. A method named getChangePercent( ) that returns the percentage changed from the previous closing price to the current price. The percentage is calculated by subtracting the previous closing price from the current price then, dividing by the current price. A method named nextDayPrice( ) that returns the predicted stock price for the next day assuming that the change percentage remains the same. Implement the class. Write a test program that two creates Stocks objects named stock1 and stock2 without the use of a constructor for the first two companies the list of stocks below and…Create a class named Person that holds the following fields: two String objects for the person’s first and last name and a LocalDate object for the person’s birthdate. Create a class named Couple that contains two Person objects. Create a class named Wedding for a wedding planner that includes the date of the wedding, the Couple being married, and a String for the location. Provide constructors for each class that accept parameters for each field, and provide get methods for each field.Design a class named Stocks that contains: Private Data Members: A string data field named symbol for the stock’s symbol. A string data field named name for the stock’s name. A double data field and prevClosingPrice that stores the stock price for the previous day. A double data field named currentPrice that stores the stock price for the current day. Accessor and mutator functions for all data members. A method named getChangePercent( ) that returns the percentage changed from the previous closing price to the current price. The percentage is calculated by subtracting the previous closing price from the current price then, dividing by the current price. A method named nextDayPrice( ) that returns the predicted stock price for the next day assuming that the change percentage remains the same. Implement the class. Write a test program that two creates Stocks objects named stock1 and stock2 without the use of a constructor for the first two companies the list of stocks below and…