TV Class The attributes of a TV object are the channel, the volume, and a flag (or switch) indicating whether the TV is on or off. The methods perform the following actions: • Turn the TV on or off. • Set the channel to an integer from 0 to 99 inclusive. • Raise or lower the volume by one unit. The volume can range from 0 to 20. • View the value of the volume. • View the channel. • Determine whether the TV is on or off. Write a TV class that implements all relevant functions. A newly created TV object is set to off with the channel set to 2 and the volume initially 10. Include a main(...) method that tests the methods of the TV class.
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- Create a class Course, which has one field: String courseName Create the constructor, accessor, and mutator for the class. Then, in the main method of this class, create an instance of the class with the name "CST1201". Write an equivalent while statement to replace the following for statement for (int i=2; i<100; i=i+2) { System.out.println(i); }Create a Class Student in which we have three instance variables emp_name, emp_id, and Salary. Write getter and setters for each instance variable. Write another Display method that displays the record of Employee. In Main create five Employee’s Objects. Set their values as required and display as well. In the end Display top three employees with respect to Salary (Display those who have more Salary among all).Java - Constructors Create a class named Book that has the following attributes: Publisher - String Year Published - Integer Price - Double Title - String Create a constructor for the class Book that has the parameters from the attributes of the class. After, create a method for the class that displays all attributes. Ask the user for inputs for the attributes and use the constructor to create the object. Lastly, print the values of the attributes. Inputs 1. Publisher 2. Year Published 3. Price 4. Book Title XYZ Publishing 2020 1000.00 How to Win? Sample Output Published: ABC Publishing Year Published: 2022 Price: 150.00 Book Title: Stooping too low Stooping too low is published by ABC Publishing on 2022. It sells at the price of Php150.00.
- Class: Square Create a class called "Square", which is inherited from“TwoDimensionShape” class. The "Square" class is used to calculate theArea and the Perimeter of square shapes when their side-length is given, or in contrast,finding the side-length of the square when the Area or the Perimeter of the square is given.The specifications of this class are below. Data Members (Attributes): All are private. sideLength: the sidelight (L) of the square. Methods/Operations/Getters/Setters: Default Constructor: when creating an object this constructor must set the side-length of the square by calling the method setSideLength(). Also, this constructor willcall the findArea() and the findPerimeter() in addition to summaryPrint() to calculateand print all needed information. User-Defined Constructor: when creating an object this constructor shouldfind the side-length of the square by calling the method findSquareSideLength()and pass the Area or the…Java Object Oriented Programming Create a Shape class that shall have color and filled instance variables of enum Color and boolean type. The filled boolean variable shall show, whether the shape is filled (colored). The enum Color shall be defined within the class having 4 color names (choose any four). Also define getArea and getPerimeter method in Shape class, both shall return 0. Create Rectangle class with length and width attributes and a Circle class with radius attribute, of type double. Properly encapsulate all fields. Circle and Rectangle shall extend Shape class and override getArea and getPerimters methods as per its type and specific formula. In Test class, create an object of Rectangle and Circle, by initializing all attributes in constructor and print both shapes' area and perimters. In Test class, define a static method with following signature, public static void printEachShapeCount(Shape... shapes) As you know, the parent type variable can hold the…Java Problem. compile and run the code below: /** A class to test the Door class.*/public class DoorTester{ /** Tests the methods of the Door class @param args not used */ public static void main(String[] args) { Door frontDoor = new Door("Front", "open"); System.out.println("The front door is " + frontDoor.getState()); System.out.println("Expected: open"); }} Create a second Door object called “backDoor” with the name property “Back” and an initial state of “closed”. Verify that the object was properly created. Use the mutator to change the state of object backDoor to “open”. Verify that the mutator is working. Create a third Door object called “sideDoor” with the name property “Side” and an initial state of “open”. Verify that the object was properly created. Use the mutator to change the name of object sideDoor to “Front”. Verify that the mutator is working.
- Task Write a class named Account to represent an account that you may find at a bank. Accounts have a balance and an annual interest rate. Include attributes in the Account class to reflect these. Write getters for both attributes and a setter for only the annual interest rate. Think about how real bank accounts work, you change your balance by withdrawing and depositing money, not just by telling the banker how much you want to change it to. Include a constructor with parameters used to assign values to both attributes. Users should be able to withdraw money from an Account, deposit money into an Account, find monthly interest rate, and find monthy interest. Include methods for each of these actions. More details on them below. withdraw method This method simulates withdrawing money from the Account. It should not return a value and take the amount to withdraw as a parameter and reduce the balance by this amount. deposit method This method simulates depositing money into the Account.…An object of the class Timer is used to indicate when a certain amount of time (in seconds) has elapsed, after which it provides a “DING”. The required data field is remainingTime which is the number of seconds until the “DING”. When a Timer object is constructed, it is set with the desired number of seconds. When the timer “ticks”, it is one second closer to the “DING”. This is represented with the tick() method. The dingCheck() method indicates whether the timer should be “DINGING”. Provide the code for the constructor method, and the methods getRemainingTime(), tick(), and dingCheck(). public class Timer { // Methods // Data private int remainingTime; }Create class Cat. Add properties What characteristics do they have? Name, age, color, type (domestic / feral), etc. What color(s) might they have?White, cream, fawn, Cinnamon, Chocolate, Red, Lilac, Blue, Black,Lavender, etc. Add methodseat(), play(), etc. Constructors? A class provides a special type of methods, known as constructors, which areinvoked to construct objects from the class Create 2 different constructor with different initialization parameters How to get the number of cats? Add a static variable and a static method. Test Cat class by creating 2 Cat instances
- class Point with instance variables as: xCoordinate(int) and yCoordinate(int). Write public instance methods (getters & setters) for each instance variable. Now, write a class Circle with private instance variables as radius and Pi (value is 3.14). Write public setter, getter for radius, Area method for calculating Area, Draw method for radius. Formula for calculating area=pi*r^2 Formula for calculating radius=Math.sqrt(xCordinate^2+yCordinate^2) Extend a Circle class from Point class such as Class Circle extends Point Write a Default constructor in Circle class that sets radius, xCoordinate&yCoordinate to some default value e.g. -1; Write a Parameterized constructor in Circle class which takes xCoordinate, yCoordinate and radius as a parameter. E.g. Circle (int xCoordinate, int yCoordinate, double radius) { this.xCoordinate= xCoordinate; this.yCoordinate= yCoordinate;…Many city ordinances have a requirement that buildings be surrounded by a certain amount of empty space for sunlight and fresh air. Apartment buildings usually have higher requirements than commercial or single residence properties. These requirements are often based upon square footage, number of occupants, etc. Assume the existence of a class Building with a method getRequiredEmptySpace that returns the amount of empty space (as an int representing square feet) for the building. Assume further, a subclass, ApartmentBuilding, with two int instance variables: totalUnits representing the number of apartments in the building and maxOccupantsPerunit, represents the maximum number of people allowed in each unit, by law. Override getRequiredEmptySpace in ApartmentBuilding to reflect the fact that apartment buildings require an additional square foot of empty space around it for each potential person living in the building.java. Check ‘n Shop is a grocery supermarket in South Africa that provides a loyalty program to customers on a monthly basis. Customers earn points based on the number of visits and the amount they spend, especially on healthy foods during the month. The private data fields for the Shopper object class are: See attached image The constructor must assign values of the parameters to the private data field variables. The static variable should be incremented by one in the constructor. The increaseLoyaltyPoints() method calculates the number of loyalty points based on the amount a customer spent at the supermarket. All customers receive 100 free points each month. Use the following criteria to calculate the additional points earned to be added to the 100 free points: For every four rands (R4) spent, one loyalty point is awarded. Make use of an appropriate Math class function to round up the loyalty points to a whole number. The updateHealthLevel() method receive the total amount…