A(n)_ is a class that only has pure virtual functions. Fill in the blanks with your response.
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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:
A(n)_ is a class that only has pure virtual functions. Fill in the blanks with your response.
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- A(n)_ is a class that only contains virtual functions that are pure virtual. Fill in the blanks with your answer to this question.If a class contains at least one pure virtual function, it’s a(n)_________ class.Each function inside the class A(n)_ is a virtual function. Provide your thoughts by filling in the blanks.
- A pure virtual function is a virtual function that causes its class to be abstract Cpp True/FalseWhich of the following applies to destructors? Choose all that apply. A.) A destructor is a function that automatically gets called when an object of its class falls out of scope. B.) If you create a copy constructor, you must also create a copy destructor. C.) A destructor cannot take any parameters. D.) A destructor cannot return a value.How we can access protected data members of a class without the use of public or private functions? Explain with code
- When a virtual function is declared in a base class, what is the appropriate method for its implementation to invoke the real call?Both child class and its parent class have same function signature. Which version of function will be called by the object pointer of parent class that is pointing to the child class’s object? Explain the reason. When do we need to use virtual function? Explain with example programIf a class does not have a function Object() { [native code] } declared for it, then how are objects of that class created?
- Is it better to have virtual functions that are statically or dynamically bound?Using classes and arrays, the team will develop a set of functions for an online shopping system. The system is represented by the following structure:1- Class Item having the following private attributes: (ID, name, quantity, price) and the following public methods:- Constructors (default, parameterized, and copy)- Setters & Getters- Operator overloading for the ==, +=,-=, >> and << operators Note that the ID member variable is not entered or read from the user. It is automatically set by the class as a serial ID starting with the first item of ID 1 and incrementing with every new object.2- Class Seller having the following private attributes: (name, email, items,maxItems), where items is a dynamic array of objects of type Item with the size maxItems. The class has the following public methods:- Constructor (parameterized)- Operator overloading for the >> and << operators- Add An Item.- This will take an Item object as a parameter:- If the item already…Using classes and arrays, the team will develop a set of functions for an online shopping system. The system is represented by the following structure: 1- Class Item having the following private attributes: (ID, name, quantity, price) and the following public methods:- Constructors (default, parameterized, and copy)- Setters & Getters- Operator overloading for the ==, +=,-=, >> and << operatorsNote that the ID member variable is not entered or read from the user. It is automatically set by the class as a serial ID starting with the first item of ID 1 and incrementing with every new object.2- Class Seller having the following private attributes: (name, email, items,maxItems), where items is a dynamic array of objects of type Item with the size maxItems. The class has the following public methods:- Constructor (parameterized)- Operator overloading for the insertion << operators- Add An Item.- This will take an Item object as a parameter:- If the item already exists…