Write a smart pointer class. A smart pointer is a data type, usually implemented with templates, that simulates a pointer while also providing automatic garbage collection. It automatically counts the number of references to a SmartPointer object and frees the object of type T when the reference count hits zero.

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A: Required language is C++

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Q: Create

A: Dear Student, The source code, implementation and expected output of your question is given below -

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A: The program for the above-given question is given below.

Q: Define null pointer.

A: Null pointer: The NULL pointer is usually used to initialize a pointer variable, which is not been…

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A: Below is the required code in java and sample output:

Q: Write a C# program that uses a class called ClassRegistration as outlined below: The…

A: C# Program of the given UML Diargam is below:

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: