A child class(subclass) inherits only behaviors of parent class inherits all data and behaviors of parent class Deesn't inherit data and behaviors of parent class inherits only data of parent class
Q: Please use Python
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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:
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- 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.In UML class diagram given below, which attributes and behaviors of the Animal class would be inherited by the Dog class? Animal int # numberOfLegs: # numberOfTails: int # name: String + walk() + run() + eat() + playFetch() Dog A None of the attributes and behaviors are inherited B numberOfLegs, numberOfTails, walk(), run(), eat() (c) All attributes and behaviors of Animal are inherited playFetch()Question part 3: Draw a UML class diagram with all the classes and relationships. More info: In this last and final part of the course work you are required to change the definition of the Item_in_Stock class to make it an abstract class and change the getItemCat(), getItemName() and getItemDescription() definitions to make them abstract methods. You are then required to design and implement three classes which are derived from Item_in_Stock class to fully demonstrate the concept of inheritance and polymorphism. Implementation of HP_Laptop class in part II should have given you an idea of inheritance and polymorphism. Three sub classes, one class against each category (Computers, Laptops and Accessories), should contain appropriate constructors, instance variables, setter and getters methods and overridden methods for getItemName(), getItemDescription() and get_Item_details() method. You should be creative and come up with your own ideas of sub-classes. (please see the photo if…
- 5.The design for class and inheritance 1. Inheritance progrmming (1).Create class Point, with two private instance variables x and y that representd for the coodinates of a point. Provide constructor for initializing two instance variables. Provide set and get methods for each instance variable, Provide toString method to return formatted string for a point coodinates. (2). Create class Circle,it inheritance from Point. Provide a integer private redius instance variable. Provide constructor to initialize the center coodinates and redius for a circle,.In the constructor it must calls its supperclass constructor by using super(x,y); Provide set and get for redius instance variable. Provide two methods for calculating its area and perimeter. Provide toString method to return a formatted string for a circle features.In the method, it must calls its supperclass toString method by using super.toString(). (3)Similar to the above class Circle definitionto,Design Rectangle…Draw a class diagram for this coding. Show relationships using appropriate arrows. Include cardinality or multiplicity. #Create the class personType from matplotlib.pyplot import phase_spectrum class personType: #create the class constructor def __init__(self,fName,lName): #Initialize the data members self.fName = fName self.lName = lName #Method to access def getFName(self): return self.fName def getLName(self): return self.lName #Method to manipulate the data members def setFName(self,fName): self.fName = fName def setLName(self,lName): self.lName = lName #Create the class Doctor Type inherit from personType class doctorType(personType): #Create the constructor for the doctorType class def __init__(self, fName, lName,speciality="unknown"): super().__init__(fName, lName) self.speciality = speciality #Methods to access def getSpeciality(self): return…Task 1: Design a Class Author as shown in the diagram: Singer FirstName: String MiddleName: String LastName: String Date of birth: int Singer (FirstName: String, MiddleName: String, LastName: String , YoB: int) getFirstName getMiddleName getlastName getYoB, setYoB toString Class Author contains: Four member variables: First Name, Middle Name, Last Name and year of birth. (1 Mark) A constructor to initialize the four member variables. (2 Marks) Getters and Setters. (1.25 Mark) A toString method that returns "first name middle name last name at date of birth) example: "Roxane Joseph Mallouhy at 1976". (1 Mark) Task 2: design a class Poem that inherits from Author class Poem Class contains: One member variable: PoemName. (1.25 Mark) A constructor that initialize the poem name and all the variables from the superclass. (2.5 Marks) Getters and setters. (0.5 Marks) A toString method that returns "PoemName by Author". N.B: The toString method should use the toString of the superclass(1 Mark).…
- Class diagram is all about classes and their: a. Interrelationships Ob. Attributes c. Operations Od. None of theseDistinguish the difference between declaring one class as a friend of another class (object aggregation) and declaring one class as a member of another class (membership aggregation) (object aggregation).QUESTION 9 Explicit casting must be used when an object O is converted from sub class to super super class is converted from super class to subclass is converted from sub class to super class O is a superclass or a subclass
- ducture.com Question 9 3 pts nents Continuing the question with the UML class diagrams for classes A, B, C, and D. Suppose when an A object is instantiated, the instance variable cobj is also instantiated in an A class constructor. Later, suppose the A object is deallocated and garbage collected, and when it is, the cObj instance variable will also be deallocated and garbage collected. What relationship, if any, exists between classes A and C? O Aggregation O None O Dependency O Composition cies O GeneralizationExplain the ways subclasses can be created that are not subtypes.A variable having the same name as a variable that has been declared in a superclass and a subclass is considered the same variable.