Create a class point3D (from existing class point given in lecture; i.e: using inheritance) with the following instance variable and methods.

Q: Create a class Student with following data members- name, roll no and marks as private data member

A: a class Student with following data members- name, roll no and marks as private data member.  array…

Q: Q2. Imagine you have two classes: Employee (which represents being an employee) and Ninja (which…

A: Given: Imagine you have two classes: Employee (which represents being an employee) and Ninja (which…

Q: Q2. Imagine you have two classes: Employee (which represents being an employee) and Ninja (which…

A: CODE:-   import java.util.*;import java.io.*;interface Check{int S=0;             //statepublic void…

Q: Are the fields in the following interface class fields or instance fields? public interface Quiz {…

A: Interface is like the blue print of the class. If any particular method has no defination at the…

Q: For this assignment, create a child class of car that creates a car of a randomly generated color.…

A: //Adding the package package javafx.swing; //Importing the required header files import…

Q: Write the complete “S"Critter class, including all instance variables and required methods. Do NOT…

A:

Q: What is an abstract class? Choose only one option.(a) An object(b) A class with no methods.(c) A…

A: Abstract classes - The abstract classes are basically the generic class or we can say that the…

Q: ) Consider a class Name, which has four instance data (all Strings): first, middle, last and title.…

A: please see the next step for solution

Q: Implement a class called Account which defines a modified banking account that can be created with a…

A: public class Account {  //declare instance variables private String accountName; private double…

Q: Make class Student, you need to add the normal constructor with parameters not default        with 5…

A: Algorithm- initial  call header file so we import all the files. create class and class name is…

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: Challenge exercise The following object creation will result in the constructor of the Date class…

A: To write constructor header with meaningful names to the parameters.

Q: Write a java program to create a room class, the attributes of this class is roomno roomtype, roomar…

A: Lets see the solution.

Q: Write a java program to create a room class, the attributes of this class is roomno roomtype, roomar…

A: Import the java utility Create the class room with data members with room number as int , room type…

Q: Imagine you have two classes: Employee (which represents being an employee) and Ninja (which…

A: Given: Imagine you have two classes: Employee (which represents being an employee) and Ninja (which…

Q: Dog objects have a few attributes, but this time unlike chair objects they can also do some cool…

A: Below Code, Code Screenshot, and Output:

Q: Create a class called "Triangle", which is inherited from "TwoDimensionShape" abstract class. The…

A: public class Main{        public static void main (String[] args) {                Triangle t1=new…

Q: In the following code: public interface Shape extends Comparablel double getArea0: We have: Select…

A: Given, public interface Shape extends Comparable<Circle>{ double getArea(); } In Java when an…

Q: Write a class called profilelD, which has data members firstName, lastName, age, and birthday.…

A: A required C++ program is as follows, File name: “main.cpp” #include <iostream>…

Q: Implements an interface having three methods eat, travel, bark in class ANIMAL having three child…

A: Program Plan: Create an interface named Animal In that interface declare methods…

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…

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

Q: Create an object name Chair of class Furniture and display the instance variable name shape of…

A: As instance variables are created inside a class and outside of any method or constructor. These…

Q: Create a class Employee that has a field for storing the complete name of the employee (first and…

A: Create a class Employee that has a field for storing the complete name of the employee (firstand…

Q: Create the class DynamicArrayOfStrings that implements the following two interfaces

A: Write a program that has the class DynamicArrayOfStrings that implements the following two…

Q: Write a complete Java class that can be used to create a Hamster object as described below: A…

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

Q: Write a complete Java class that can be used to create a Fish object as described below: A Fish…

A: public class Fish{    //Data members    private String name;    private int age;    private String…

Q: Create an inheritance hierarchy that could be used to represent the following classes: accountant,…

A: Organization - An organization, or organization, is an entity – such as a company, an institution,…

Q: You cannot instantiate an interface but you can do so to an abstract class. True False

A: False

Q: You cannot instantiate an interface but you can do so to an abstract class. True False

A: Abstract Class: An abstract class is a class that is declared abstract. It may or may not contain…

Q: Create an interface that shall have 2 methods and one string type attribute, also create an…

A: Given: We are given a problem where we have to design an interface that contains 2 methods declared…

Q: Create an interface that shall have 2 methods and one string type attribute, also create an…

A: Here I have first of all created an interface and in the interface, I have defined 2 methods and one…

Q: Dog objects have a few attributes, but this time unlike chair objects they can also do some cool…

A: Here I written C++ code as per your given problem below. I hop you like it. class Dog{} class…

Q: Write the definition of the class SwimmingPool, to implement the properties of a swimming pool. Your…

A: the code is an given below : // swimmingPool.h#ifndef SWIMMINGPOOL_H#define SWIMMINGPOOL_H const…

Q: In this exercise, we are going to model some behaviors of a square. Since the Square object extends…

A: Below is the implementation in the Java program: - Approach: - Define the class Rectangle. Declare…

Q: Implements an interface having three methods eat, travel, bark in class ANIMAL having three child…

A: Program //Interface Animal public interface Animal { public void eat(); public void bark(); public…

Q: Create an object name Chair of class Furniture and display the instance variable name shape of…

A: Create an object name Chair of class Furniture and display the instance variable name shape of…

Q: Complete the FoodItem class by adding a constructor to initialize a food item. The constructor…

A: Algorithm :  Step 1 : declare class FoodItem. Step 2 : declare constructor to initialize the item…

Q: Write the implementation of the methods of the StaticDemo class. In its constructor, the id value of…

A: 1. create a class StaticDemo 2. create static idGenerator, id as private variables 3. create the…

Q: Show StudentsADT interface Create a Course class with the following methods: default constructor,…

A: I am answering you only 4 parts of the given questions as per chegg guidelines, hope you understand…

Q: For this exercise, you are given a Team superclass with a BaseballTeam and FootballTeam subclass.…

A: Things to be done in the program: For each object, use a print statement to print out any public…

Q: reate a Java Project (with a class and a test class) to represent some real-world entity such as a…

A: CODE:- import java.util.*; class Pet{  // Private attributesprivate String name;private String…

Q: Inheritance through an extended (derirved) class supports which of the following concepts? a)…

A: The idea of ​​a legacy in Programming language is that you can create new classrooms built on…

Q: Inheritance through an extended (derirved) class supports which of the following concepts? a)…

A: The idea of ​​a legacy in a Programming language is that you can create new classrooms built on…

Q: Question The class View a) implements PropertyChangeListener, so it can observe the model b) uses…

A: The class view

Q: Write a program to define an interface and implement in a class. (Please provide the screenshot of…

A: Interface: An interface is like a blueprint of a class. It consists of static variables and…

Q: How many parameters must be passed if only the following prototype is given to a constructor?…

A: Question. How many parameters must be passed if only the following prototype is given to a…

Q: Implements Cloneable interface. Contain two member variables RollNo & Name. Initialize member…

A: 1- In this assignment require, implement a cloneable interface, two string types variable(roll no,…