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- NEED HELP WITH JAVA PROGRAM PLEASE HELP THANK YOU . -ERROR SEE IMAGE BELOW Cake.java public abstract class Cake{protected String name;protected double rate;protected double calcPrice;public Cake(String n, double r){name = n;rate = r;}public abstract double calcPrice();public String toString(){return name + "\t" +rate;}}class orderCake extends Cake{double weight;public orderCake(double weight,String n, double r){super(n,r);this.weight= weight;}public double calcPrice(){return rate * weight;}}class readymadeCake extends Cake{double quantity;public readymadeCake(double quantity,String n, double r){super(n,r);this.quantity= quantity;}public double calcPrice(){return rate * quantity;}} TestCakeProgram.java import java.util.Scanner;class TestCakeProgram{public static void main(String args[]){Scanner sc= new Scanner(System.in);int choice=0;System.out.println("ENTER RATE FOR ORDERED CAKE: ");double rate0=sc.nextDouble();System.out.println("ENTER RATE FOR READYMADE CAKE: ");double…Java Questions - (Has 2 Parts). Based on each code, which answer out of the choices "A,B,C,D,E" is correct. Each question has one correct answer. Thank you. Part 1 - 3. Given the following code, the output is __. class Base { private int x = 5; }class Derived extends Base { x = 6; }public class Sample { public static void main(String[] args) { int x = 7; Derived d1 = new Derived(); System.out.print(d1.x); }} A. 0B. 5C. 6D. 7E. Error message Part 2 - 4. A class Animal has a subclass Mammal. Which of the following is true? A. class Animal extends Mammal { }B. class Mammal extends Animal { }C. class Animal implements Mammal { }D. class Mammal implements Animal { }E. class Mammal { Animal a1 = new Animal(); }The class diagram below shows an Order class that "has a" Customer and zero or more Items. Order class should contain private Customer m_cust; private ArrayList<Item> m_items; public Order(Customer cus t) public void additem(Item i) public String toString() Item class should contain private String m_desc private int m_qty private double m_price public Item(String des c, double price, int qty) public String toString() Customer class should contain private String m_first; private String m_last; public Customer(String first, String last) public String toString() Please create the Order, Customer, and Item classes shown above. I have provided you with a read-only Main class that you can use to test your code. When you have completed the Order, Customer, and Item classes, running the Main program should produce the following output: Order for Smith, Tom Order Items: Greeting Card: 1 at 1.5 Baseball Glove: 1 at 54.0 Notebook: 3 at 2.5 public class Main{ public static void…
- Go off this code: public abstract class Employee{private String firstName;private String lastName;private String SSN;double salary; public Employee( String first, String last, String ssn ){firstName = first;lastName = last;SSN = ssn;} public void setfirstName( String first ){firstName = first; // should validate} public String getfirstName(){return firstName;} public void setlastName( String last ){lastName = last; // should validate} public String getlastName(){return lastName;} public void setSSN( String ssn ){this.SSN = ssn;}public String getSSN(){return SSN;} @Overridepublic String toString(){return String.format( "%-12s%-12s%-12s", getfirstName(), getlastName(), getSSN() );}public abstract double earnings();}Java 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.JAVA A Matryoshka, or Russian nesting doll is either solid or hollow. If it is hollow, it contains another doll (which can also be hollow or solid). Given the supplied Doll class, implement a recursive method named show that returns a String representing the chain for dolls, for example Natasha contains Tanya contains Peter public class Doll{ private String name; private Doll dollInside; /** * Constructs a hollow doll with the doll it contains. */ public Doll(String theName, Doll theDoll) { name = theName; dollInside = theDoll; } /** * Constucts a solid doll. */ public Doll(String theName) { name = theName; dollInside = null; } public boolean isSolid() { return dollInside == null; } public String getName() { return name; } public Doll getDollInside() { return dollInside; }} public class DollViewer{ public static String show(Doll d) { /* code goes here */ } public static void main (String [] args) { Doll dolls1 =…
- public class LabProgram { public static void main(String args[]) { Course cis162 = new Course(); int beforeCount; String toDrop; // Example students for testing cis162.addStudent(new Student("Henry", "Nguyen", 3.5)); cis162.addStudent(new Student("Brenda", "Stern", 2.0)); cis162.addStudent(new Student("Lynda", "Robison", 3.2)); cis162.addStudent(new Student("Sonya", "King", 3.9)); toDrop = "Stern"; beforeCount = cis162.countStudents(); cis162.dropStudent(toDrop); System.out.println("Course size: " + beforeCount + " students"); System.out.println("Course size after drop: " + cis162.countStudents() + " students"); } } import java.text.DecimalFormat; // Class representing a student public class Student { private String first; // first name private String last; // last name private double gpa; // grade point average // Student class constructor public Student(String f, String l, double g) {…Course Title: Modern Programming Language Please Java Language Code and Correct Code Please Question : Design an abstract class GeometricObject. GeometricObject must ensure that its children must implement calcArea() method. Design Rectangle18ARID2891 and CircleMJibranAkram Classes as children of GeometricObject class with overridden toString() method to return “Rectangle18ARID2891 with w Width and h Height is drawn” OR “CircleMJibranAkram with r Radius is drawn”. The attributes of Rectangle18ARID2891 are length, width. The attribute of CircleMJibranAkram is radius Hint: Area of circle=πr2 , Area of rectangle= width*length(Java) Question 1 Explain the answer step-by-step and include verbal explanation. Thank you! Identify and correct the mistakes in the below program: public abstract class Dog { private String name; private int age; public Dog() { name = "No name yet"; age = 0; } public Dog(String name, int age) { this.name = name; this.age = age; } public String getName() { return name; } public int getAge() { return age; } public abstract void printGreeting(); public void setAge(int age) { this.age = age; } public void setName(String name ) { this.name = name; } @Override public String toString() { return "Name: " + name + "\nAge: " + age; } }public class Terrier extends Dog { private boolean isKidFriendly; public Terrier(String name, int age, boolean isKidFriendly) { this.name = name; this.age = age; this.isKidFriendly = isKidFriendly; } public boolean…
- public class worksheet3_1 { public static void main(String[] arg) { ShadowingExample example = new ShadowingExample(); example.x = 99; example.sampleMethod(); }}class ShadowingExample { int x; public void sampleMethod() { int x = 0; System.out.println("the value of local variable x = " + ………………………………………………); System.out.println("the value of instance variable x = " + …………………………………………); }} what should be written in the second print statement so that the output is: the value of instance variable x = 99 what should be written in the first print statement so that the output is: the value of local variable x = 0 options are: samplemethod.x this.x shadowingexample.x x Answer 1 Question 1Python QuestionImplement the Player class with necessary properties so that the given output is produced.Hints:First parameter of calculate_earning method is #played match and second parameter is #goalEarning of Forward = #played match * 400 + #goal * 50Earning of Defender = #played match * 400 + #goal * 40You can not change any of the given code.#Write your code herePlayer.player_info()print('1.========================================')ronaldo = Player("Ronaldo", "Man United")print('2.----------------------------------------')ronaldo.calculate_earning(5, 7)print('3.----------------------------------------')print(ronaldo)print('4.========================================')ramos = Player("Ramos", "PSG", "Defender")print('5.----------------------------------------')ramos.calculate_earning(5, 1)print('6.----------------------------------------')print(ramos)print('7.========================================')pogba = Player("Pogba", "Man…Assume the Book class is defined as follows: public class Book{ enum Type type {FICTION,NON_FICTION}; public int isbn; public Type type; Book(int isbn, Type type){ this.isbn = isbn; this.type = type; }} Define filterBooksOfGivenType method that shall return ArrayList of Book of the type specified in parameter.