Q1. In the following class, how many instance variables are there? public class Car { int numDoors; int numSeats; String carName; public static void main (String[] args) { int numCars=3; }

Q: CLASS AND OBJECT  WRITE!  1.) Write the main class of the given class Animal below that set the…

A: Step 1:- Program Approach:- 1.Create the object of the class Animal 2.call the function…

Q: class Point with instance variables as: xCoordinate(int) and yCoordinate(int). Write public instance…

A: Program code: Filename: Point class(PointClass.java) class PointClass{    private int xCoordinate;…

Q: Write a class Point with instance variables as: xCoordinate(int) and yCoordinate(int). Write public…

A: Objective: We need to construct a Point class with its attributes, a circle class extending features…

Q: public abstract class Bird { private int x; private int y; private int z; public void…

A: The solution for the above given question is given below:

Q: in java This composition example contains classes Date, Employee and EmployeeTest .Class Date…

A: //code  // Class Date.java // declaration of variables of type integer public class Date{ private…

Q: For this Programming  Employee class should have instance variables to store the employee ID as an…

A: Step 1 : Create Empolyee class and two variable instance of id int and String dept Step 2 :  create…

Q: Write a class Point with instance variables as: xCoordinate(int) and yCoordinate(int). Write public…

A: //class Point class Point{ //instance variables as: xCoordinate(int) and yCoordinate(int) int…

Q: This composition example contains classes Date, Employee and EmployeeTest .Class Date declares…

A: public class EmployeeTest {  public static void main(String[] args) throws Exception {    //create…

Q: This composition example contains classes Date, Employee and EmployeeTest .Class Date declares…

A: This composition example contains classes Date, Employee and EmployeeTest .Class Date declares…

Q: This composition example contains classes Date, Employee and EmployeeTest .Class Date declares…

A: Note: 1st create a package and write all classes in that package. Source Code: package bartleby;…

Q: Consider the following class defenition: 1. public class ClassA { 2. 3. private int[]] nums; public…

A: For the given java code, need to explain what will be the output :

Q: Classes and Objects) Hand-write a complete Java class that can be used to create a Car object as…

A: Program Plan: 1) Create a java class name vehicle. 2) Create Constructor methods/functions :…

Q: Suppose you have defined a class such as the following for use in a program:public class…

A: Suppose you have defined a class such as the following for use in a program:public class…

Q: Type a Java method constructor for the "book" Class, which takes values as parameters for all of…

A: A program is used to interact with the computer system. A program is converted into the 0's and 1's…

Q: ANSWER IN JAVA: 3.14 (Date Class) Create a class called Date that includes three instance…

A: // Date.java   public class Date {    private int month;    private int day;    private int year;…

Q: Given the below class: public class Dog {     private String name;     private double weight;…

A: 1.) Class : Dog public class Dog {    private String name;    private double weight;    private…

Q: Code is in Java find the error in the following class definition: public class MyClass {…

A: public void MyClass(int a, double b) The Above Line Is Incorrect. There Won't be any Return Type…

Q: The following code is in Java: public class Vehicle             // Superclass {    private…

A: Given code snippet in java public class Vehicle             // Superclass {    private double cost;…

Q: write a java program This composition example contains classes Date, Employee and EmployeeTest…

A: Given: Class EmployeeTest creates two Date objects to represent an Employee’s birthday and hire…

Q: Given the following class definition: class Point2d { private int x, y; public Point2d () { x = 0; y…

A: Solution:   Given,   Point2d.java public class Point2d { private int x, y; public Point2d() {  x =…

Q: Q1: Create class Year (year int, month int, day int as an instance variables) Create class Time…

A: Answer: Both above question are same I have done code for one another is analogous

Q: 1- public class Student { 2 3 public abstract double calcScore(); 4 5 } Which of the following is…

A: The given code is a java code snippet where a Student class is created. The student class has method…

Q: Consider the classes shown below: public class Parent { private int value = 100; public int…

A: Inheritance is a mechanism in which one object acquires all the properties and behaviors of a parent…

Q: The BankAccount class described below is used to represent a personal savings account with a yearly…

A: ALGORITHM:- 1. Create a class CreditAccount inheriting the BankAccount class. 2. Override the…

Q: in java A class  Book is designed  to model a book written by one author. It contains: Four private…

A: //Driver code import java.util.*; public class Main {    public static void main(String[] args)    {…

Q: Create a class Animal with a constructor that takes no parameters and has an instance variable:…

A: public class Animal {//Instance variableprivate int energy;//Energy is 1 when it is bornpublic…

Q: public class Product { class Food extends Product { class Cheese extends Food { Considering the…

A: The solution to the given problem is below.

Q: Consider the following class definition: public class MyClass private int value; public void set…

A: Lets discuss the solution in the next steps

Q: Given the following code segment. class Bike { private int wheels; public void setWheel(int wheel) {…

A: Q: Code the given problem in Java

Q: Assume the Book class is defined as follows:   public class Book{  enum Type type…

A: The Book class is defined as follows:   public class Book{  enum Type type {FICTION,NON_FICTION};…

Q: Given the class definition below overload the + operator to be able to add 2 objects of type Time.…

A: Operator overloading is used to perform different operation using operators which have there…

Q: This composition example contains classes Date, Employee and EmployeeTest .Class Date declares…

A: public class Date{   //instance variables used to store Date private int day; private int month;…

Q: . After the introduction of classes, in a java class, Adongo a student of the class came out with…

A: For point a: It is wrong since this procedure in class Abele does not even have a body and the class…

Q: The BankAccount class described below is used to represent a personal savings account with a yearly…

A: ALGORITHM:- 1. Create a class CreditAccount inheriting the BankAccount class. 2. Override the…

Q: (Classes and Objects) Hand-write a complete Java class that can be used to create a Car object as…

A: Instance variable in private scope. Using this pointer within default constructor with no arguments.…

Q: What will be the output of the following code? abstract class X { int b; abstract void print(); }…

A: abstract class X{    int b;    abstract void print();}class Y extends X{    int a;    void print()…

Q: Java Question - Based on code, which answer out of the choices "A, B, C, D, E" is correct. Question…

A: Answer to the above question is in step2.

Q: 2. Given the Baby class below: public Class Baby { String name; int birthWeight; } Write an equals…

A: class Baby {       public :                   string name;                   int birthWeight; };

Q: Java allows extending multiple classes through a single class declaration statement such as: public…

A: Multiple inheritance:  A class that inherits the properties from two or more classes is called…

Q: class A{ protected: int x, y; public: int z; }; class B: private A{ private: int a, b, c; public:

A: a) B have 6 data members. They are x,y,z,a,b,c b) No data members are visible in B. c) x,y,z,a,b,c…

Q: Write a program to model the kinds of people one finds in a university. The categories are students,…

A: The following classes are used in the program. Person abstract class. Student class as a subclass…

Q: Write a program in java  Write a class Car that contains the followings attributes: The name of…

A: JAVA CODE is given Below:

Q: Write the following Book class:A Book has-a title, ISBN number, author and price.o Include the…

A: All the lines inside this (/* */) field are comments of this program. Read all comments above the…

Q: ass “Pizza”, and three sub-classes “Cheese Pizza”, “Pepperoni Pizza” and “VeggiePizza”. The class…

A: It is defined as programs can be asked from control statements, array, string, oops etc. Java basic…

Q: (Java) 7.2 Code: Look at the following Person.java class code: class Person{ public String name;…

A: The toString() method is a method in java that is used to print or output the values of an object or…

Q: Consider the following Engine class: public class Engine {     private int horsePower;     private…

A: The e complete code is given below with output  .

Q: Write the Boat class in Java Eclipse. A Boat has a registered name, a number of cabins, and a…

A: In this question, we are asked to write a Boat class in the eclipse in java we have to add instance…

Q: Write the Boat class in Java Eclipse. A Boat has a registered name, a number of cabins, and a…

A: The following is the source code for the given statements in the question.

Q: Write the Boat class in Java Eclipse. A Boat has a registered name, a number of cabins, and a…

A: I give the code in Java eclipse as per your requirement along with code and output screenshot

Q: Write the Boat class in Java Eclipse. A Boat has a registered name, a number of cabins, and a…

A: Given The answer is given below. The following is the source code  for the given statements in the…