The decorator pattern is used when subclassing is not possible or practical to add functionality Select one: True False
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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 decorator pattern is used when subclassing is not possible or practical to add functionality
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- Some 00 programming languages allow the user to restrict prevent subclasses from overriding a method, When would someone need to do that?Subject name is c++ WAP to demonstrate the concept of class template using a constructor inside the class templateWrite a c++ oop code following these instructions only. Class Scene: capture_date : int draw() : void // Abstract method Class Landscape: area : double render(): void Class FlightSimulator: It has aggregation relationship with abstract class Redefine draw() function that has only a print statement of “Drawing Scene”. Class MountainScene: Call render function of Landscape as mentioned in diagram. (a) Add a function getArea() in 'Scene' class. Class Scene: capture_date : int draw() : void // Abstract method getArea() : string // Displays 'Area of Scene' Class CityScene: draw() : void getArea() : string // Displays 'Area of City Scene' Class MountainScene: draw() : void getArea() : string // Displays 'Area of Mountain Scene' (b) 1- Create a pointer of Scene class 2- Assign object of MountainScene class to the pointer created in part 1 3- Call getArea() through the pointer 4- Report the output you get in part 3
- which application of oop can be provide a degree of freedom in the interface design option: * Inheritance O Object and class O polymorphism Friend functionsInheritance is an OOP concept such that a class can be defined in different ways, such as either being typecasted to itself (as a subclass) or any of its superclasses. True FalseMethod overriding is combination of inheritance and polymorphism? T/F
- The programmer constructs a class to isolate the functionality of an implementation from the kind of data utilized in it. As a result, every data type may be accommodated by functions and classes. o file with headers o technique that is virtual O design template a generic classThe concept by which we apply existing operations to new data types is A Inheritance B Polymorphism C Encapsulation D Prototyping.Implement the following hierarchy using C++ classes. 1. Shape: This should be an interface class that supports area() and display() functions. 2. Circle and Rectangle: Implement the area and display functions of Shape. 3. Quadrilateral: This class should be an abstract class. It may contain member variables for length and height. 4. Trapezoid: Should inherit length, height from Quadrilateral, and add 'side', represents the side parallel to 'length'. 5. Create appropriate .h/.cpp files with constructors and destructors (wherever needed). which 6-