Consider an online holiday booking system. The initial design model contains the classes, Booking, Individual_Booking and Group_Booking via inheritance. Which of the following isCORRECT about the two classes, Individual_Booking and Group_Booking, in the object-oriented design?O a. All three options.O b.The two classes differ in data (i.e., attributes).O C.The two classes differ in behaviour (i.e., operations).O d. The two classes differ in associations with other classes.

For the given question the correct option will be A. All three options.

Answered: Consider an online holiday booking…

Computer Networking: A Top-Down Approach (7th Edition)

7th Edition

ISBN:9780133594140

Author:James Kurose, Keith Ross

Publisher:James Kurose, Keith Ross

Chapter1: Computer Networks And The Internet

Section: Chapter Questions

Problem R1RQ: What is the difference between a host and an end system? List several different types of end...

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If the programmer doesn't declare any constructors for an extended class, what constructors will be inherited from the superclass? How does this inherited constructor initialize new instance variables that are not part of the superclass? Suppose that Vehicle is a class and Car is a new class that extends Vehicle. Write a description of which kind of assignments are permitted between Car and Vehicle variables. Suppose you write a new constructor for an extended class. Describe two different ways that the superclass's instance variables could be initialized within the constructor for the extended class.
Complete the following class diagram with the correct associations to make our object-oriented parking system complete.
Consider an online holiday booking system. The users can register and log in to book a holiday package. Currently, the holiday packages offered to users include ski and cruise packages. Which of the following is the most appropriate for an object-oriented design? Select one: O a. The classes, Ski and Cruise, should be modelled in the aggregation association with the Package class. O b. The classes, Ski and Cruise, should be modelled as sub-types of the Package class. O c. The classes, Ski and Cruise, should be modelled as the interface classes to the Package class. O d. The classes, Ski and Cruise, should be modelled in the composition association with the Package class.
Write a program in Java to perform the followings, (i) Design one parent and two child classes. Names of parent and child classes along with the names of their variables and methods should be taken from real-life by yourself. Parent class should have at least two variables, one parameterized constructor and one method to perform any meaningful operation/calculation with the variables. Child classes should have at least one additional variable declared within (ii) (iii) them and one parameterized constructor, and a toString method. (iv) Design another class and a main method inside it. Declare at least one object of each of the two child classes using parameterized constructor. Call the method of the parent class with these objects to perform the particular operation/calculation on these objects and show the result. Display values of all the variables of these objects using toString. Write the Java program using Eclipse IDE, copy and paste the code along with the output in a word file.…
Consider an online holiday booking system which has the Booking and User classes in the design. Which of the following associations describe a whole-part relationship of the two classes in the object-oriented design? Oa. Composition and aggregation O b. Inheritance and aggregation 0 с. Interface and aggregation O d. Composition and inheritance
1.Abstract classes, 2.abstract methods 3.Interfaces are three important OOP concepts. Give an example where each would be appropriate to use
Design and implement a set of classes that define a series of threedimensional geometric shapes. For each shape, store fundamental data about its size, and provide methods to access and modify the data. In addition, provide appropriate methods to compute each shape’s circumference, area, and volume. In your design, consider how shapes are related and thus where inheritance can be implemented. Create a driver class to instantiate several shapes of differing types and exercise the behavior you provided
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Define the Artist class in Artist.py with a constructor to initialize an artist's information. The constructor should by default initialize the artist's name to "unknown" and the years of birth and death to -1. Define the Artwork class in Artwork.py with a constructor to initialize an artwork's information. The constructor should by default initialize the title to "unknown", the year created to -1, and the artist to use the Artist default constructor parameter values. Add an import statement to import the Artist class. Add import statements to main.py to import the Artist and Artwork classes. Ex: If the input is: Pablo Picasso 1881 1973 Three Musicians 1921 the output is: Artist: Pablo Picasso (1881 to 1973) Title: Three Musicians, 1921 Ex: If the input is: Brice Marden 1938 -1 Distant Muses 2000 the output is: Artist: Brice Marden (1938 to present) Title: Distant Muses, 2000 Ex: If the input is: Banksy -1 -1 Balloon Girl 2002 the output is: Artist: Banksy (unknown) Title: Balloon…

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