6. Fill in the blanks to the following questions: (a) OOP stands for Object-_________ programming. (b) ________ is a template or blueprint from which objects can be instantiated from. (c) _________ is a subroutine defined within a class to implement a behavior. (d) An ______ is an instance of class. (e) _________: When a sub-class inherits the methods and properties of a parent class. (f) _________: “Hiding” properties and methods of a class from the “outside world” by making these private.
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6. Fill in the blanks to the following questions:
(a) OOP stands for Object-_________
(b) ________ is a template or blueprint from which objects can be instantiated from.
(c) _________ is a subroutine defined within a class to implement a behavior.
(d) An ______ is an instance of class.
(e) _________: When a sub-class inherits the methods and properties of a parent class.
(f) _________: “Hiding” properties and methods of a class from the “outside world” by making these private.
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- Pick the incorrect statement: O A class can implement more than one interface O A class can extend more than one classes O An interface can extend more than one interfaces O An interface cannot extend a classA library wants to manage its collection of books and authors more efficiently. They would like to create a Python program to help with this task. The following requirements need to be implemented: Create an Author class with the attributes: name, dob (date of birth), and nationality. The class should have a __str__ method to represent the author in a user-friendly format. Create a Book class with the following attributes: title, author (an instance of the Author class), publication_date, and price. Also, include a class variable all_books that keeps a list of all book instances created.The Book class should have: A __str__ method to represent the book in a user-friendly format. A __eq__ method to compare two books. Two books are considered the same if they have the same title and author. A __lt__ method to compare two books based on their publication dates. A class method get_all_books that returns a list of all books in the library. A static method most_expensive_book that takes…help with python...pste indented code plzz Implement the following:1) Define a class Job with two attributes title and salary.2) Define an init method for Job which sets the attribute values via parameters.3) Create a Job instance named myJob with attribute values "programmer" and 100000.4) Access and print the title and salary attribute values of myJob. Example OutputPROGRAMMER$100,000
- Question 4 Match the correct answer to the question. Method The information passed to a method in its parenthesis is referred to as: A. A self-contained block of program code that carries out some action is referred to as: B Digit Inheritance The ability to create classes that share the attributes and methods of existing classes but with more specific features is known as: C. What reads the byte-code in chunks and compiles the chunk to machine language? |- v D JIT Compiler Arguments . v Java identifier must not start with . and all the characters must be letters, digits, or the underscore () symbol E.Java, Object-Oriented Programming, UML Create a simple POS program that applies the concepts of OOP (Inheritance, Polymorphism, Abstraction, and Encapsulation), with the following conditions: • Create a Main class, 1 superclass, and at least 2 sub-classes • Simulate a purchase of a customer. Provide code & output screenshots, and a UML Diagram.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()
- Which of these statements IS NOT true regarding design by contract. Question options: Creating and implementing an interface is an example of implicit design by contract. Explicit design by contract makes specifications part of the compiled code for a program. Creating and building from an abstract class is an example of explicit design by contract. When we code to an interface, we create a set of methods to be used to interact with a class; these methods establish a contract for how the design should work. Option B is not the correct answer.Fill in the blank space 1. The ____________ keyword is used to create a new instance or object of a class 2. ______________ is the concept of closely controlling access to an object's attributes and is also called information hiding 3. A ____________ is a method that is used 5o set the initial state of an object when it is created. 4. (i) Method _________ is the process of changing the number and type of parameters of a method (ii) Method __________ is the process of replacing a method in a superclass with a new implementation in the subclass 5. A ______________ expression is an expression that evaluates to either true or false. 6. In Java polymorphism means that a class or object can be treated as multiple different types. Which of the following statements regarding polymorphism in Java are true? Select all that apply. A. A subclass can be treated as any of it's ancestor (super) classes. B. A Java class can be treated as any interface it implements C. A Java class can be treated…Java - Constructors Create a class named Person that has the attributes: First name - String Last name - String Gender - String Age - Integer Address - String Create two constructors: one that accepts the first name and last name only and one that accepts all attributes. Accept inputs for all attributes and create two objects that use each constructor. Print their attributes. Inputs 1. Enter first name 2. Enter last name 3. Enter gender 4. Enter age 5. Enter address Marceus Azalithen Male 20 Azalithzith Sample Output Enter first name: John Enter last name: Doe Enter gender: Male Enter age: 19 Enter address: JDoe Object 1 First name: John Last name: Doe Gender: Age: Address: Object 2 First name: John Last name: Doe Gender: Male Age: 19 Address: JDoe
- Design, implement and test a class that can be used to hold information about a musical note. Test it with an appropriate driver program. DESIGN REQUIREMENTS A programmer MUST be able to set and retrieve the length of the note and the value of the note. [[ this means you must have setter and getter methods for your data fields.]] The length of a note may be a sixteenth note, eight note, quarter note, half note, or a whole note, [[ Feel free to code this however you like with a string, an integer, an enum... whatever you feel is best ]] The note's value is an integer. It is specified by counting how far the note lies above or below the A note that orchestras use in tuningLinks to an external site. In counting "how far", you should count every key, both the white and black notes on a plano. So the A note above middle C would have a value of 0. The A note one octave above that would have a value of 12. The default constructor should set a note to a A440 (an A note of frequency 440Hz)…Question Workspace a. The Downdog Yoga Studio offers five types of classes, as shown in the Table Attached. Design a program that accepts a number representing a class and then displays the name of the class. b. Modify the Downdog Yoga Studio program so that numeric class requests can be entered continuously until a sentinel value is entered. Then display each class number, name, and a count of the number of requests for each class.Design , implement and test a class that can be used to hold informationabout a musical note. Test it with an appropriate driver program.DESIGN REQUIREMENTSA programmer MUSTbe able to set and retrieve the length of the note andthe value of the note.The length of a note may be a sixteenth note, eight note, quarter note, halfnote, or a whole note. The note's value is an integer. it is specified by countinghow far the note lies above or below the A note that orchestrasuse in tuning( https://en.wikipedia.org/wiki/A440_(pitch_standard) ifneeded to check ). In counting "how far", you should count every key, boththe white and black notes on a piano. So the A note abovemiddle C would have a value of 0. The A note one octaveabove that would have a value of 12.The default constructor should set a note to a A440 (an Anote of frequency 440Hz) quarter note. Include methods toset a note to a specified length and value. Write methodsto retrieve information about a note,…