public class Gadget {...} Gadget.java public interface Player {} Player.java public interface Recorder {..} Recorder.java public class Phone extends Gadget implements Player, Recorder {...} Phone.java 11. What type(s) can a Phone instance be casted to? Gadget Player Recorder None of the above

Q: public class Car { public void m1() { System.out.printin("car 1"); } Create a client class and add…

A: PROGRAM CODE: class Car {    public void m1()     {        System.out.println("car 1");    }…

Q: Write only steps in java (no full program) to create a superclass (things) and two subclass (animals…

A: Start. Initialize the superclass things. Then extend the animal and plant as a subclass. Print the…

Q: Execute the program. There should be no syntax errors. Modify the program so it displays "I'm…

A: public class Main{ public static void main(String[] args)  {  System.out.println("I'm learning how…

Q: Write ColoredPoint class so that implements the Colored interface

A: interface Colored{ String getColor(); } class Point{ private int x; private int y;…

Q: 2- Write a Java class that will create another Java class called Student.java as in Figure 3: 1…

A: public class Student {     private String first;     // first name     private String last;      //…

Q: g. Assume that myObject1 and myObject2 are declared as in parts (d) and (e). After we have written…

A: The output for the following program is given below and the screenshot is provided with the output.

Q: Write the main class of this Java program vending machine

A: Our java vending machine looks like:

Q: 2. Write the Building class. The UML diagram of the class is represented below: Building |- type :…

A: class Building {     // Data fields     String type;     int numberOfFloors;     double area;…

Q: JAVA Consider the following class :   public class Store {                 Public final double…

A: File name: "Store.java" public class Store {       public final double SALES_TAX_RATE = 0.06;…

Q: Book class: • private data members: o bookName: as String o bookAuthor: as object of class Author o…

A: package bookauthor;                 //Same package where class Author is therepublic class Book {…

Q: public ciass Vehicle { private static int count = 0; private final String brand; private final int…

A: code is given below

Q: iven a Card class, implement a subclass called IDCard class. public class Card

A: public class Card {     private String name;     public Card(String n) {        this.name = n;    }…

Q: Consider the class Arthropod and the interface Edible as described below: public class Arthropod…

A: Extra functions created for the part 6: public String getSpecies(): it return species value since…

Q: Consider the following Java program: class LoginForm {...} class RegistrationForm {...} class…

A: Categorize the classes of the above program as Entity,Boundary or Controller classes.

Q: java program Following is a part of the source codes for NBATeam and NBA classes. Finish the…

A: Actually, java is a object oriented programming language. It is a platform independent. It is a high…

Q: The BankAccount class models changes to the balance of a person's savings account. public class…

A: Below are the answers for given questions:

Q: You are given the following code that contains an interface called Printer, a class called Office…

A: Java is a programming language. It contains extensive libraries (package). It can be used to create…

Q: 5. Define a class Student to create Student Objects. The class defines two variables for its…

A: import java.util.*; class Student {    String name;  double average;  //constructor  public…

Q: Consider the following class definitions public class SampleClass{  public String greet() {return…

A: In the given below code public class SubClass extends SampleClass{ public string greet() {return…

Q: Write a Java class Author with following features: Instance variables: o firstName for the…

A: The complete name is the concatenation of first name and last name and this will be printed inside…

Q: Which of the following is the minimal set of public constructors and/or methods required in the…

A: As BoardPosition is a non abstract class, all the abstract methods in the parent classes must be…

Q: Write a java program to read and print the details of five Employees Define a class named Employee…

A: PROGRAM CODE: import java.util.*;                     // import utility package of javapublic class…

Q: Make this code Runable Kid.java public class Kid {    private static int idStatic=0; private int…

A: Add Main.java file  Add Main class and write code in main method  Create instances of classes and…

Q: Consider the following three Java classes: public abstract class Toy { public void makeNoise() {…

A: doll.makeNoise();   doll is an instance of Doll class and it invokes makeNoise() method in Doll…

Q: Java classes may only inherit directly from only one superclass. Group of answer choices True False

A: The answer is given below.

Q: Presentation explaining the security policy in 4 areas: 1) Clean desk, 2) Using email, 3)…

A:

Q: 1. Class Human: a. Fields: age (int), weight (double), height (double) b. Methods: getAge,…

A: Answer: Below is the solution to the problem in Java:

Q: 4. Complete the following class to implement all the methods in the class: public class Person {…

A: public class Person { String name; int birthYear;   public Person() {  name="unknown";…

Q: Show the output generated when this program is run by invoking:

A: The extends keyword extends a class indicates that a class is inherited from another class.

Q: Java .. OOP What are the classes you need to do for a ATM, for example, an account, a card, and so…

A: So classes for our design will be: ATM:          User must have an account and a card for…

Q: Write a NBATeam class including the following components:   a. instance field : i.teamName;…

A: public class NBATeam{        //declaring instace variables    public String teamName;    public int…

Q: Acces Specifiers in Java Create a public method introduce() that displays “MeepMoop, I am {name}.”…

A: Please refer to the following steps for the complete solution to the problem above.

Q: Write a method that returns n! given an integer n. Your method must use and return a BigInteger…

A: From the given data, We need to write a method that returns n! given an integer n and the method…

Q: Java allows implementing multiple interfaces through a single class declaration statement such as:…

A: Interface: A Java interface is slightly similar to a Java class. The difference is that a Java…

Q: The class "Music" has the following attributes: name (String), composer (String). year (int),…

A: Explanation: The program has two classes, Music which holds the required attributes and another…

Q: 1. Create (the package) as (P1) and another as (P2). 2. Create an Interface (named Human) inside…

A: A class is the basic building block of object oriented modelling. It contains data and operations on…

Q: Vehicle {abstract) +move (abstract) +carryCargo0: Truck -_weight: int +Truck(int) +Truck0 +move Oil…

A: Option A. CarryCargo method defined in the truck is the correct answer since it has the body…

Q: c) Which line in the above code would result in a ClassCastException' d) Which line in the above…

A: A piece of code is given and have to answer some sub parts related to the code Given Code:

Q: public abstract class Landmark { public abstract int countVisitors(); } Consider the class shown…

A: Data Abstraction is an OOP concept that hides the background details. It shows only those…

Q: Write in Java with 0OP concepts six classes, to read a number of the color in RGB style and convert…

A: This question of answer is in below steps. I have write the code to receive input in RGB style and…

Q: Create a class named Transport that has two abstraet void methods truck, van and a void method…

A: EXPLANATION: - The abstract class Transport comprises of three methods namely truck, van, and…