Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Draw class diagram for Bank account, you can pick any number of attributes and methods.
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- Q# In the company example, a supervisor has a supervisee. This “has-a” relationship is called: Group of answer choices 1. parent 2. composition 3. extending 3. inheritancearrow_forwardCreate a Class Diagram and write pseudocode define each method in the class module for one of the following: 1. Submarine 2. Volcano 3. Planet You must also write pseudocode to show how objects of your <class> can be created, including the methods of the class that can be called to perform their respective tasks.arrow_forwardis the phrase used to describe the process through which a person moves from one class to another.arrow_forward
- Describe the scope of class.arrow_forwardDefine 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 timearrow_forwardIf you have a class named Animal, give three examples of names of data fields (or attributes) you might expect this class to have.arrow_forward
- True or False? Because child classes in generalizations inherit the attributes, operations, and relationships of the parent, you must only define for the child the attributes, operations, or relationships that are distinct from the parent.arrow_forwardis the term describing the process of changing someone from one class to another.arrow_forwardclass 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()arrow_forward
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