Question & Answer: onsider the following (incomplete) class definition: #include #include using namespace std: class ClassA { p…..

Please help with this C++ question:
Consider the following (incomplete) class definition: #include <iostream> #include <string> using namespace std; class ClassA [ private: string ptr; / pointer to a dynamic array of strings; int size: public: ClassA( int n)f ptr - new stringin: size n: ClassA(const ClassA & other); -ClassA0: ClassA operator (const ClassA &rhs): Write an implementation of the assignment operator (outside class specificatio

Consider the following (incomplete) class definition: #include #include using namespace std: class ClassA { private: string *ptr;//pointer to a dynamic array of strings: int size: public: ClassA(int n) { ptr = new string[n]: size = n: } ClassA(const ClassA & other): ~ClassA(): ClassA operator = (const ClassA &rhs): Write an implementation of the assignment operator (outside class specification).

Expert Answer

 

#include <iostream>
#include <string>

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Question & Answer: onsider the following (incomplete) class definition: #include #include using namespace std: class ClassA { p…..
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using namespace std;

class ClassA
{

private:
string* ptr;
int size;

public:
ClassA(int n)
{
ptr = new string[n];
size = n;
}

ClassA(const ClassA& other);
~ClassA();
ClassA operator=(const ClassA& rhs);
};

// Function implementation for assignment operator
ClassA ClassA::operator=(const ClassA& rhs)
{
ClassA a(rhs.size);
return a;
}

// Destructor
ClassA::~ClassA()
{
}

// copy constructor
ClassA::ClassA(const ClassA& other)
{
ptr = other.ptr;
size = other.size;
}
int main()
{
// Parameterized Constructor
ClassA b(5);

// Copy constructor
ClassA c(b);
// Assignement Operator
ClassA d = c;
return 0;
}

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