Consider: class Bike { } private static int nextFrameNumber; private int frameNumber; public Bike() { frameNumber = nextFrameNumber++; } public int getFrameNumber() { return frameNumber; } Bike bikel = new Bike(); Bike bike2 = new Bike(); Bike bike3 = new Bike(); Which of the following are correct? bike3.getFrameNumber() returns 3 bike2.getFrameNumber() returns 1 bike1.getFrameNumber() returns 0 Obike3.getFrameNumber() returns 0 Obike3.getFrameNumber() returns 2 bike2.getFrameNumber() returns 2 bike1.getFrameNumber() returns 2 bike3.getFrameNumber() returns 1 Obike1.getFrameNumber() returns 1 bike2.getFrameNumber() returns 0
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- Class Die java.lang.Objectextended by Diepublic class Dieextends java.lang.ObjectDie - an n-sided die with given integer values. The given integer values are returned via nextRoll() with uniform probability., Constructor SummaryDie() Creates a new Die instance with the default values: 1, 2, 3, 4, 5, 6.Die(int[] outcomes) Creates a new Die instance with the given integer outcomes.Die(int sides, int min) Creates a new Die with a given number of sides and an incremental sequence of values beginning with a given minimum value.Method Summaryint nextRoll() nextRoll - return one of the die values at random.Methods inherited from class java.lang.Objectclone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, waitConstructor DetailDie public Die(int[] outcomes)Creates a new Die instance with the given integer outcomes.Parameters:outcomes - an int[] value - an array of the integer values for each side of the die.Die public Die(int sides,int min)Creates a new Die with…Write classes that will extend the given Animal class and optionally implement a leg count interface. (Image attached below, use Java) abstract class Animal { String FUR="fur"; String FEATHER = "feather"; String SCALE = "scale"; String SHELL = "shell"; String SKIN = "skin"; abstract String getCovering( ); abstract void makeSound ( ); abstract boolean canFly( ); } You will need to write: Classes for the animals mentioned above A leg count interface Main method to demonstrate that all of your classes work(Java) Question 5 Explain the answer step-by-step and include verbal explanation. Thank you! Write an interface as follows: The interface is named ServiceReminder It has one method named timeForService that has no parameters and returns a boolean variable. Now, update the below class so that is inherits from ServiceReminder Note that the next service date should be 90 days from the last service public abstract class Car { private double gasGauge; private double currMileage; private String color; private String make; private String model; private int daysLastService; public Car(String color, String make, String model, int daysLastService) { this.color = color; this.make = make; this.model = model; gasGauge = 0.0; currMileage = 0.0; this.daysLastService = daysLastService; } @Override public String toString() { return "Make: " + make + "\nModel: " + model + "\nColor: " + color…
- 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;…Write a 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) a. Extend a Circle class from Point class such as Class Circle extends Pointb. Write a Default constructor in Circle class that sets radius, xCoordinate & yCoordinate to some default value e.g. -1;c. Write a Parameterized constructor in Circle class which takes xCoordinate, yCoordinate and radius as a parameter.Now write a ColoredCirlce class with private instance variable as color (String) and public setter & getters. Extend the ColoredCircle from Circle and do the following operations.d. Write a default constructor…(1) Add an __init__ method to the Widget class below. Each object of type Widget should have an instance variable called name and an instance variable called cost that represents a cost in dollars; those values are passed in when an object of type Widget is initialized. (2) Add a method to class Widget called is_cheap that returns True if the cost is less than $10, and False otherwise. (3) Add proper doctrings along with two examples for each method. You may use the Sample Usage code given below in your work.
- Java code; object oriented program; private static void Togrid(source s) { grid g1 = new grid("s"); grid g2= new grid("between"); layout b= new layout("press"); s.addObject(g1);s.addObject(g2);s.addObject(b); Using above test program(is added after following feature is implanted); How to write a code of instance method type void with parameter of "Source s" that adds object into array. public void addObject(Source c){} Using above method, how to code an instance method of type Object[] without parameter that returns new array with object that was added into array. public Object[] getObject(){}Classes – Write a class to represent a AlternativeEnergyCar. Select the fields and methods that fit the modeling of an alternative energy car. Make sure to include code for the constructors, set/get methods, a toString() method.Write a 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= 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;…
- in java Create a class for Student and implement all the below listed concepts in your class. Read lecture slides for reference. Class Name: Student 1. Data fields studentID name email majorDepartmentSelect proper datatypes for these variables. 2. Constructors – create at least 2 constructors No parameter With parametersSet id and name using the constructor with parameters. 3. Methods toString method : To print the details of the Student. Setter and getter methods 4. A static variable count : To keep the count of Student objects5. Visibility Modifiers: private for data fields and public for methods 6. Write some test cases in main methodJava program Make a class Employee with a name and salary. Make a class Manager inherit from Employee. Add an instance variable, named department, of type String. Supply a method toString that prints the manager’s name, department, and salary. Make a class Executive inherit from Manager. Supply appropriate toString methods for all classes. Supply a test program that tests these classes and methods.Write a class that represents a player in a game. The player should have a name, password,experience points, an inventory array of four strings, and a location x,y. Your class shouldhave mutator and accessor methods for all variables. For example: setName(), getName(). Itshould have a suitable display method. Mutators and accessors should be public but allvariables should be private. To implement get inventory, use string * getInv(); Use the scoperesolution operator to implement larger methods such as display(). Use in class methods forshorter methods such as setName(), getName(). (in C++)Example:void setName(string name){this->name = name;}string *getInv();...string* player::getInv(){return inventory;}Note that in the above method setName “this->” is required for disambiguation. If writtenvoid setName(string n){name = n;}“this->” is not required.Write a test program that creates three players and displays them.Example Output:This program generates three player objects and…