When a function Object() { [native code] } from a subset is invoked, the no-arg function Object() { [native code] } from the superclass is still invoked. Is this argument correct or incorrect? Write your answer and, in any case, justify it.
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When a function Object() { [native code] } from a subset is invoked, the no-arg function Object() { [native code] } from the superclass is still invoked.
Is this argument correct or incorrect? Write your answer and, in any case, justify it.
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- Computer Science Write the definition of the class template ArrayListType, and the derived class unordered ArrayListType. Provide implementations for the non abstract functions in the base template class, and implementations of the template functions in the derived template class. Write a test program to test the functions in the derived template class. Instantiate objects of type derived class in your test program using template parameters of type float, int.Suppose that the binary operator + is overloaded as a nonmember function of the class myClass, to add the corresponding members of two objects of type myClass, and object1 and object2 are objects of type myClass. Consider the following expression: object1 + object2 The compiler translates this expression into which expression?Suppose that the binary operator + is overloaded as a member function of the class myClass, to add the corresponding members of two objects of type myClass, and object1 and object2 are objects of type myClass. Consider the following expression: object1 + object2 The compiler translates this expression into which expression?
- Create a simple “shape” hierarchy: a base class called Shape and derived classes called Circle, Square, and Triangle. In the base class, make a virtual function called draw(), and override this in the derived classes. Make an array of pointers to Shape objects that you create on the heap (and thus perform up casting of the pointers), and calldraw() through the base-class pointers, to verify the behavior of the virtual function if your debugger supports it, single-step through the code. The subject is OOP(Object oriented programming) The code should be in C++a. Extend the definition of the class complexType so that it performs the subtraction and division operations. Overload the operators subtraction and division for this class as member functions. If (a, b) and (c, d) are complex numbers, (a, b) - (c, d) = (a - c, b - d), If (c, d) is nonzero, (a, b)/(c, d) = ((ac + bd)/(c ^2+ d ^2 ), (-ad + bc)/(c ^2 + d^ 2 )) b. Write the definitions of the functions to overload the operators – and / as defined in part a. c. Write a test program that tests the various operations on the class complexType. Format your answer with two decimal placesWhat is polymorphism? Be sure to include what role virtual functions play in this and the difference between a virtual and pure virtual function. Be sure to include the defininition of an abstract base class.
- Suppose the unary ! operator is an overloaded member function of class data type AClass. For an AClass object (instance) myInstance, the function call is that is generated when the compiler when it finds the expression !myInstance is ________________. Fill in the Blanks.write a class implementation using C++ from the given class diagram TAKE NOTEOF THE FF SPECIFICATIONS: Using the constructor, create three objects from class Voters and store it in the stack memory. Two voters must have an active account and one voter has a deactivated account. Please note that the deactivated voter account must be still part of the “object”. Test all the functions by making calls. this should be the sample result. Please use simple codes only.An abstract class a. Cannot be used to declare pointers and references b. Has at least one pure virtual function c. Can be instantiated d. Cannot have any constructors
- Learning from the "Pointers-Inheritance and Dynamic Polymorphism" and "Pointers and Dynamic Memory - new - delete" example code in the files above, create three classes that exhibit dynamic polymorphism using the functions area(), circumference(), and draw(): Polygon Class Superclass Variables: double width double height Polymorphic Member Functions: area() circumference() draw() Rectangle Class Subclass of Polygon Variables: int size = 5 double* history_width_ptr double* history_height_ptr Constructor/Destructor Constructor creates space in free memory for two arrays that can store previous values of width and height: history_width_ptr = new double[size] // allocate new memory to previous width values history_height_ptr = new double[size] // allocate new memory to previous height values Destructor delete[] history_width_ptr delete[] history_height_ptr Regular Member Functions: set_values() Sets values for height and width based upon user input Then stores…Solve the problem in C++ (Extend MyPoint) In Programming Exercise 9.4, the MyPoint class was created to model a point in a two-dimensional plane. The MyPoint class has the properties x and y that represent x- and y-coordinates, two getter functions for x and y, and the function for returning the distance between two points. Create a class named ThreeDPoint to model a point in a three-dimensional space. Let ThreeDPoint be derived from MyPoint with the following additional features: - A data field named z that represents the z-coordinate.- A no-arg constructor that constructs a point with coordinates (0, 0, 0).- A constructor that constructs a point with three specified coordinates.- A constant getter function that returns the z value.- A constant distance(const MyPoint&) function to return the distance between this point and the other point in the three-dimensional space. Draw the UML diagram for the classes involved. Implement the classes. Write a test program that creates two…assume that the class student with private members id,name, number of courses,*p (a pointer of type int) has been already defined. implement the set() function and the copy constructor of the class