Draw the UML class dagram to demonstrate the concepts of Inheritance, Composition Interfaces by considering the class Vehicle.

Q: give example of application of abstract base classes.

A: Below is the example of application of Abstract Base Classes. Program Approach: Include necessary…

Q: Write a Java operator/keyword, which can be used to check the validity of reference before…

A: instanceof operator : The instanceof operator is used to check if the reference of the subclass is…

Q: Write Java code to implement  abstraction is achieved using Abstract classes and interfaces.

A: Java code to implement  abstraction is achieved using Abstract classes and interfaces:-

Q: The class A serves as the parent, while the classes B and C are used to denote the subclasses. B and…

A: User details are hidden through abstraction.  Interfaces and abstract classes provide this. Abstract…

Q: Draw an inheritance hierarchy representing parts of a computer system (processor, memory,  disk…

A: Inheritance hierarchyAn inheritance hierarchy can be created if there are several sub classes that…

Q: Question 2: Both abstract classes and interfaces can be used for inheritance. а. Describe the…

A: Given: Write the difference between abstract class and an interface.

Q: For each of the UML class hierarchies you developed in the last homework set, design two interfaces.…

A: Unified Modeling Language is another name for UML. It's a powerful language for modelling programmes…

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: In general, interfaces support the idea of programming by contract. Explain what this means, and…

A: Lets see the solution in the next steps

Q: Implement in C++ the design of “Employee" TWO main behaviors (ADT) as an abstract data type,…

A: Required: Design of "Employee" as an abstract data type and declare at least two main behaviors.…

Q: c++   Implement an abstract class Employee with a data member name. Implement constructors, and an…

A: Introduction:- An abstract class is defined to be used as a base class for different derived or…

Q: Are there any speed trade-offs associated with preferring Interfaces over abstract classes?

A: The choice between using interfaces or abstract classes in programming is often a design decision…

Q: In the case of public inheritance, the base class's members are accessible and communicated to the…

A: The members of the base class are available to be communicated to by the derived classes under…

Q: Draw an inheritance hierarchy of AbstractList and all its (direct and indirect) subclasses as they…

A: The Answer is

Q: Create an inheritance hierarchy for farm animals with the abstract parent class animal, at least…

A: Lets see the solution in the next steps

Q: Passing arguments to base classes constructors solves the problem of selecting a base class…

A: GIVEN DATA   Passing arguments to base classes constructors solves the problem of selecting a base…

Q: For your application, explain the benefits of interfaces over abstract classes.

A: To accomplish abstraction, where we can declare the abstract methods, both abstract classes and…

Q: A is its parent class, while B and C are its subclasses. B and C share several features and…

A: Abstraction is a method for concealing some implementation details from the user. Both abstract…

Q: Experiment with two classes that have a straightforward derivation relationship. Insert println…

A: Here is an example of two classes with a straightforward derivation relationship in Java:   class…

Q: A is the superclass, whereas B and C are the subclasses. While B and C have certain similarities in…

A: Introduction: The parent or super-class of a class is the class it inherits.  A subclass is a class…

Q: When should you use an abstract class, when an interface, and when both?

A: According to the provided information: We need to define the use of an abstract class, interface…

Q: A is its parent class, while B and C are its subclasses. B and C sh and techniques, but they…

A: In object-oriented programming, a class is a blueprint for creating objects that encapsulate data…

Q: A is the parent class, whereas B and C are its subclasses. Now, B and C have certain similar…

A: A is parent of B and C ,while B and C are sibling ,having some property different ,and some similar.…

Q: For your application, explain the benefits of interfaces over abstract classes.

A: Solution::   Modern C++ collector/makers usually create very inefficient code when virtual functions…

Q: Implement abstraction on animal and car classes (in java) e.g animal and car is a abstract class.

A: Data abstraction is the process of hiding specific details and showing only essential information to…

Q: The parent class is A, and its subclasses are B and C. Now, B and C share several characteristics…

A: Introduction: Abstraction is a technique for concealing some implementation details from the user.…

Q: A is the parent class, while B and C are the subclasses. While B and C have certain similarities in…

A: Concrete class : A concrete class is a class that has an execution for its strategies as a whole.…

Q: In C++. Generalize the Person-Student class hierarchy to include classes Faculty,…

A: the answer is given below:-

Q: How to use method overriding in Inheritance for subclasses? write java code to implement it?

A: This example demonstrates the way of method overriding by subclasses with different number and type…

Q: Is there any difference between abstract and concrete class? Give proper justification.

A: DIFFERENCE BETWEEN ABSTRACT CLASS AND CONCRETE CLASS: Following are the general differences between…

Q: reate a parent class "universe" and write further program in c++ on "multilevel inheritance"using…

A: Below is the required C++ program. Program Approach:   Import standard input-output packages.…

Q: hierarchical

A: #include <iostream>using namespace std;class vehicle{    protected:      float    wheels;…

Q: What effects do interfaces over abstract classes have on performance?

A: Given: Abstract classes provide standard method implementations or default implementations to all of…

Q: In your own words, define encapsulation, polymorphism, and inheritance.

A: The given terms are encapsulation, polymorphism and inheritance. These are are object oriented…