2. Suppose animal is a class that defines the basic properties of ananimal. Draw a class hierarchy in which several classes are derived fromthe class animal, and then other classes are derived fromthe classes derived from the class animal.Below is the clas5 hierarchy in which the top rectangle will containanimal. It has three direct animal types such as mnammal and then typesof that animal type such as dog, and then after that (not for all) there arespecific kinds of the species, like Poodle.H

Given, To implement Hierarchy inheritance

2. Suppose animal is a class that defines the basic properties of an animal. Draw a class hierarchy in which several classes are derived from the class animal, and then other classes are derived from the classes derived from the class animal. Below is the class hierarchy in which the top rectangle will contain animal. It has three direct animal types such as mammal and then types of that animal type such as dog, and then after that (not for all} there are

2. Suppose animal is a class that defines the basic properties of an animal. Draw a class hierarchy in which several classes are derived from the class animal, and then other classes are derived from the classes derived from the class animal. Below is the class hierarchy in which the top rectangle will contain animal. It has three direct animal types such as mammal and then types of that animal type such as dog, and then after that (not for all} there are

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Consider an example of declaring the examination result. Design three classes:Student, Exam and Result. The Student class has data members such as thoserepresenting roll number, name etc. create a class Exam by inheriting the student class.The exam class adds data members representing the marks scored in six subjects.Derive class Result from the exam class and it has own data members such as total_marks. Write an interactive program to model this relationship. What type ofinheritance this model belongs to?
1. Define a class named Randomwalker. A Randomwalker object should keep track of its (x, y) location. All walkers start at the coordinates (0, 0). When a walker is asked to move, it randomly moves either left, right, up or down. Each of these four moves should occur with equal probability. The resulting behavior is known as a "random walk." (A 2-dimensional random walk example is pictured at right.) Each Randomwal ker object should have the following public methods. You may add whatever fields or methods you feel are necessary to implement these methods: move () Instructs this random walker to randomly make one of the 4 possible moves (up, down, left, or right). getX () Returns this random walker's current x-coordinate. getY () Returns this random walker's current y-coordinate. getsters () Returns the number of steps this random walker has taken.
3. Add a "DateOfBirth" property to the given Person class, which is of type "DateTime". 1 using System; 2 public class Person { public Person(string firstName, string lastName) { 3 4 FirstName = firstName; 5 LastName = lastName; } public string FirstName { get; set; } public string LastName { get; set; } public string GetFul1Name() { 7 8 10 return FirstName + + LastName; } 12 } 11 13 14 public class Program { public static void Main() { 15 16 } 18 } 17
Declare a class named Vehicle as a base class with two data members model (string) and year (int). Then, derive a class called Car as derived class with No (int).
Create a class "company" displaying name, location .Create another class "employee" containg name, id , designation,sal. Create a derived class"salary" inheriting both the above classes and display monthly salary of employee using formula totalsal=sal+bonus
Consider a class "Fan" with two integer data members, "state" (0/1 i.e. on or off) and "speed". 1. Write a parameterized Constructor for this class. 2. Write a member function "changeState( )" which behaves similar to pressing a button i.e. it should change the state of the fan. If it is off (0), calling the function should turn it on (1) and vice versa.. Multi Line Text.
Use the Animal class file given on the final exam module. Use Inheritance and Polymorphism concepts to create the following classes and functions. Create the following classes that derive from the Animal class. Monkey Kangaroo Create a derived class named Spider Monkey whose base class is Monkey. Create constructors for each class. Create destructors for each class. All classes will have the following private instance fields, including Animal legs that will initialize to 0 boolean swim that will initialize to false; All classes will have the following polymorphic methods, including Animal getLegs( ) – this returns the number of legs the animal has makeSount( ) – this outputs the type of sound the animal makes makeSound( ) method will be a virtual function in the Animal class Create an exception in the getLegs( ) method that makes sure the number of legs are valid (only allow positive number amount of legs) Create a main method to demonstrate the all functions including the…
In this assignment, you will make two classes,Student and Instructor, that inherit from a superclass Person. The implementation of class Person is given below. public class Person{private String name;private int age; public Person(){name="";age=0;}/**Create a person with a given name and age.@param name the name@param age the age*/public Person(String name, int age){this.name = name;this.age = age;} /**Get the name.@return the name*/public String getName(){ return name;}/**Change the name.@param name the name*/public void setName(String name){ this.name = name;}/**Get the age.@return the age*/public int getAge(){ return age;}/**Change the age.@param age the age*/public void setAge(){ this.age = age;}/**Convert person to string form.*/public String toString(){return "Name: " + name + "\t" + "Age: " + age;}} You will also need to write a test program to test the methods you write for these two classes. The implementation details are described as follows. Stage 1:In the first file…