The __________ of a class contain(s) its behaviors. attributes methods structure scope
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OOPs
In today's technology-driven world, computer programming skills are in high demand. The object-oriented programming (OOP) approach is very much useful while designing and maintaining software programs. Object-oriented programming (OOP) is a basic programming paradigm that almost every developer has used at some stage in their career.
Constructor
The easiest way to think of a constructor in object-oriented programming (OOP) languages is:
The __________ of a class contain(s) its behaviors.
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attributes
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methods
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structure
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scope
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- Sequence diagram Create a UML sequence diagram that will show your clients how the system’s classes will interact when customers are buying their flight tickets on the booking website. How to create your assignment Review the code responsible for adding a new item. Make a sequence diagram that captures the interactions of objects in the app when a new item is added. Your sequence diagram should contain the following classes: AddItemActivity ItemList Dimensions Item And contain calls of the following methods: onCreate() loadItems() saveItem() Dimensions constructor Item constructor addItem() saveItems() Lastly, the activation of AddItemActivity should start with the call to “onCreate()”Case-Based Critical Thinking Questions Case 13-5 Steve has created a custom object. He wants to use a template for all the properties and methods associated with the object's class To add a method to a prototype, Steve should apply the command O objName.prototype function method Oohnstance prototype method function objClass prototype method function ObName prototype method functionLibrary Information System Design and Testing Library Item Class Design and TestingDesign a class that holds the Library Item Information, with item name, author, publisher. Write appropriate accessor and mutator methods. Also, write a tester program(Console and GUI Program) that creates three instances/objects of the Library Items class. Extending Library Item Class Library and Book Classes: Extend the Library Item class in (1) with a Book class with data attributes for a book’s title, author, publisher and an additional attributes as number of pages, and a Boolean data attribute indicating whether there is both hard copy as well as eBook version of the book. Demonstrate Book Class in a Tester Program (Console and GUI Program) with an object of Book class.
- When designing a new class, the rules that dictate how the instance variables are used are called the O invariants specifications O attributes O abstractionsclass Widget: """A class representing a simple Widget === Instance Attributes (the attributes of this class and their types) === name: the name of this Widget (str) cost: the cost of this Widget (int); cost >= 0 === Sample Usage (to help you understand how this class would be used) === >>> my_widget = Widget('Puzzle', 15) >>> my_widget.name 'Puzzle' >>> my_widget.cost 15 >>> my_widget.is_cheap() False >>> your_widget = Widget("Rubik's Cube", 6) >>> your_widget.name "Rubik's Cube" >>> your_widget.cost 6 >>> your_widget.is_cheap() True """ # Add your methods here if __name__ == '__main__': import doctest # Uncomment the line below if you prefer to test your examples with doctest # doctest.testmod()Every attribute and method declared in a class has an access modifier such as private, public and protected. Differentiate each of them.
- When designing a class that implements Comparable, what design patterns or principles should be considered to promote code reusability and maintainability?pls help me using python This is the code it provides: class Artist:# TODO: Define constructor with parameters to initialize instance attributes# (name, birth_year, death_year) # TODO: Define print_info() method. If death_year is -1, only print birth_year class Artwork:# TODO: Define constructor with parameters to initialize instance attributes# (title, year_created, artist) # TODO: Define print_info() method if __name__ == "__main__":user_artist_name = input()user_birth_year = int(input())user_death_year = int(input())user_title = input()user_year_created = int(input()) user_artist = Artist(user_artist_name, user_birth_year, user_death_year) new_artwork = Artwork(user_title, user_year_created, user_artist)new_artwork.print_info()True or False ___(7) An object can be created from an interface. ___(8) An object in a super class can be assigned to a subclass variable. ___(9) Overriding and overloading a method is the same.
- True or False ___(1) An abstract class can have fields. ___(2) You can create an object from an abstract class _ _(3) An abstract class can have both abstract methods and methods that have method bodyDefine a Course base class with the following attributes: number - course number title - course title Define a print_info() method in Course that displays the course number and title. Also define a derived class OfferedCourse with the additional attributes: instructor_name - instructor name location - class location class_time - class timeCreate an Employee Class with the ff: attributes: = String name = double salary = String birthday = __init__(self, name, salary, birthday) = String getDetails() -- returns a String value that represents all the information of the Employee object Create a Manager class that inherits Employee, a Manager will also have the ff: = String department = __init__(self, name, salary, birthday, department) = String getDetails() -- returns a String value that represents all the information of the Manager object Create a Director class that inherits Manager, a Director will also have the ff: = double carAllowance = __init__(self, name, salary, birthday, department, carAllowance) = def playGolf() -- will print a string value '{name of director} plays golf' = String getDetails() -- returns a String value that represents all the information of the Director object Create 2 objects of each class and call their respective getDetails() method. Do not write WET codes, be sure there's no…