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: 10 A class has to necessarily be declared as abstract class if

A: Required:

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?

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

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Q: Define an abstract class LivingBeing. Define abstract methods breath, sleep, eats. Define Subclasses…

A: Sample Response: //Abstract class definitionabstract class LivingBeing{  //Abstract methods  public…

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

Q: # 1 2 3 4 Question An abstract class can be instantiated as an object. From the example above, the…

A: Answer the above question are as follows

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

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

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Q: nsw

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

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: Explain briefly about abstract class and concrete class with examples. Also write when do vou go for…

A: Answer : Abstract class : It is used as a base class from which you can derived other class. It is…

Q: Design simple domain in OOP using DART classes. a. Classes should have some attributes and methods…

A: In this question we have to implement a OOPs program using DART Classes with attributes and methods,…

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

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

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

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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…

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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

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

Q: When would you be most likely to use an abstract class? when you need to derive a class from…

A: An abstract class is most likely to be used when a superclass is required that should be not be…

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

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A: given data

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

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A: Find the attached code below.

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"