Which of the following statements is true? O An abstract class can have both abstract and regular methods. O An abstract class can be instantiated. O A non-abstract (concrete) class can have an abstract method. O An abstract class have abstract methods only.

Q: Is it legal to have an abstract class with all member functions pure virtual?

A: Given:   Is it legal to have an abstract class with all member functions pure virtual?

Q: public abstract class Shape { public abstract int getNumberSides(); } public class Triangle extends…

A: Sol: Object cannot be created in abstract class, every abstract method should be declared with the…

Q: Consider classes A, B and C, where A is an abstract superclass, в is a concrete class that inherits…

A: As per the question statement, We need to find the correct statement for the given question…

Q: 1). Write a java abstract class called Solid and you will derive two classes – Cylinder and Sphere –…

A: The objective of the question is to create an abstract class 'Solid' and two derived classes…

Q: An unspecified data type can be used for both the parameters and the return type just for abstract…

A: All variables  must have a data type. So option 1,3, and 4 are incorrect

Q: Which of the following statements are true. a) An abstract method contains a signature but no code…

A: 1) Abstract classes and methods are important concepts in object-oriented programming that help…

Q: An abstract class a. Cannot be used to declare pointers and references  b. Has at least one pure…

A: EXPLANATION: An abstract class is basically the class that is declared as abstract during the time…

Q: Regarding the information hiding principle; A: Briefly describe it. B: State the advantages. A: How…

A: While doing programming in any programming language, you need to use various variables to store…

Q: In object oriented programming, inheritance improves code readability and maintenance by allowing…

A: Based on object oriented Programing

Q: Write a complete definition of child class of AbsParent named ClearChild which has only one method.

A: We need to extend the AbsParent Class and Implement all it's abstract methods. AbsParent has one…

Q: nsw

A: class Vehicle:    def __init__(self, make, model):        self.make = make        self.model = model…

Q: Polymorphism - abstract class Banking Account class. Create an application with an abstract class…

A: Find the required code in java as language not mentioned given as below and sample output :

Q: Which of the following are incorrect? Select 3 correct answer(s) An abstract class contains…

A: In object-oriented programming, a constructor is a special method that is called when an object is…

Q: You can make a class abstract by declaring it with keyword abstract. An abstract class normally…

A: An abstract class is a class which can have 0 or more abstract methods An abstract class is declared…

Q: what does the following mean? class A: public B Select one: a. class B will inherit all the…

A: Inheritance is a property by which a object of one type acquires properties of its parent class and…

Q: 13 - Regarding to the abstract class/abstract methods, which one of the following is False ? I) A…

A: Abstraction is the technique of showing only essential functionalities of a class to the user, where…

Q: Given the following definitions: public abstract class Manager extends Employee { ... } public class…

A: Introduction: Class is one of the concepts in the object-oriented programming paradigm and it’s…

Q: Object Oriented Programming Answer the following questions to assess your learning for const keyword…

A: Yes, we can access constant data member of a class from a non-constant member function of the same…

Q: Define a Card class which contains three PRIVATE (why?) variables for card suit, face value and the…

A: In this implementation, the variables for suit, face value, and isDrawn are made private because we…

Q: 4) Which of the following codes is/are valid? Code 1: abstract class X { abstract void func1();…

A: Abstract class: In the Java programming language, an Abstract class is declared using the abstract…

Q: In object oriented programming, inheritance improves code readability and maintenance by allowing…

A: Based on object oriented programing

Q: Given the following definitions: public abstract class Manager extends Employee { } public class…

A: Answer: We have explain some classes in java in brief explanation

Q: module 7: suppose corporation is a base class and PublicCorporation is a derived class.Also…

A: suppose that each class defines a head() member function

Q: efine an inner member class named bownkightPath which defines a moving path. The MovingPath is an…

A: Q.

Q: Use the concept of polymorphism and classes to represent the following analogy: A Transportation…

A: public class Transportation {  //declaring instance variables private String model; private int…

Q: Given the following classes, answer the below questions.  Person (abstract class) that has the…

A: -----------------------------------------Person.java------------------------------------   public…

Q: Can we declare a class as Abstract without having any abstract method?

A: It is only possible to use an abstract method in an abstract class, and it does not have a body. The…

Q: Q10: Selct a false statement about abstract classes. a. An abstract class cannot be instantiated…

A: False Statement from the above abstract class

Q: Define a class for a type called Counter . An object of this type is used to count things. Include a…

A: #include<iostream> using namespace std; class Counter { private: int cnt; public: Counter() {…

Q: Create a class Student with following instance private variables and member functions: Variable: id…

A: Code: import java.util.Scanner; class Student {     private int id;    private String name, Major;…

Q: 6) Class Circle is a subclass of Shape class; and the Circle class has one attribute for the radius…

A: public class Shape {    private String color;        public Shape(String color) {        this.color…

Q: Match the following: A constructor methods . A class that contains no methods (other than…

A: given data

Q: An instance of an abstract class is made by using the keyword 'new'. true or false

A: An instance of an abstract class is made by using the keyword 'new'  :

Q: Consider these class declarations: class Person { } class Professor : public Person { }

A: While doing programming in any programming language, you need to use various variables to store…

Q: Explain the following question in detail how to solve using java programming with detailed code and…

A: EXPLANATION: - The abstract class capstone is placed in Package1. This class comprises of protected…

Q: 4. Given, an abstract class as the following: abstract class Test{ abstract void add(); } Which one…

A: Answer: The right choice is option b.new Test() ;   Simply in the given question right option b is…

Q: Implement a nested class composition relationship between any two class types from the following…

A: Find the attached code below.

Q: Which functions can carry out an assignment score 1.0; to the private member variables score?

A: In this question, we are asked to give the correct answer among four from a given code segment…

Q: Which of the following statements regarding abstract class is not true? An abstract class cannot…

A: Introduction: They are classes that cannot be instantiated directly but are meant to be subclassed…

Q: In the following statement: public abstract class Vehicle extends DD implements Car{ ...} DD can…

A: The correct answer of the questions is option "TRUE"