[c++] Pointer-to-pointer dynamic two-dimensional array

this can be done this way

1. I have used Operator Overloading
2. Overloaded Assignment

3. Overloaded Copy Constructor

   /*
    * Soumil Nitin SHah
    * Github: https://github.com/soumilshah1995
    */
   
   #include <iostream>
   using namespace std;
           class Matrix{
   
   public:
       /*
        * Declare the Row and Column
        *
        */
       int r_size;
       int c_size;
       int **arr;
   
   public:
       /*
        * Constructor and Destructor
        */
   
       Matrix(int r_size, int c_size):r_size{r_size},c_size{c_size}
       {
           arr = new int*[r_size];
           // This Creates a 2-D Pointers
           for (int i=0 ;i < r_size; i++)
           {
               arr[i] = new int[c_size];
           }
   
           // Initialize all the Vector to 0 initially
           for (int row=0; row<r_size; row ++)
           {
               for (int column=0; column < c_size; column ++)
               {
                   arr[row][column] = 0;
               }
           }
           std::cout << "Constructor -- creating Array Size ::" << r_size << " " << c_size << endl;
       }
   
       ~Matrix()
       {
           std::cout << "Destructpr  -- Deleting  Array Size ::" << r_size <<" " << c_size << endl;
   
       }
   
       Matrix(const Matrix &source):Matrix(source.r_size, source.c_size)
   
       {
           for (int row=0; row<source.r_size; row ++)
           {
               for (int column=0; column < source.c_size; column ++)
               {
                   arr[row][column] = source.arr[row][column];
               }
           }
   
           cout << "Copy Constructor " << endl;
       }
   
   
   public:
       /*
        * Operator Overloading
        */
   
       friend std::ostream &operator<<(std::ostream &os, Matrix & rhs)
       {
           int rowCounter = 0;
           int columnCOUNTER = 0;
           int globalCounter = 0;
   
           for (int row =0; row < rhs.r_size; row ++)
           {
               for (int column=0; column < rhs.c_size ; column++)
               {
                   globalCounter = globalCounter + 1;
               }
               rowCounter = rowCounter + 1;
           }
   
   
           os << "Total There are " << globalCounter << " Elements" << endl;
           os << "Array Elements are as follow -------" << endl;
           os << "\n";
   
           for (int row =0; row < rhs.r_size; row ++)
           {
               for (int column=0; column < rhs.c_size ; column++)
               {
                   os << rhs.arr[row][column] << " ";
               }
           os <<"\n";
           }
           return os;
       }
   
       void operator()(int row, int column , int Data)
       {
           arr[row][column] = Data;
       }
   
       int &operator()(int row, int column)
       {
           return arr[row][column];
       }
   
       Matrix &operator=(Matrix &rhs)
               {
                   cout << "Assingment Operator called " << endl;cout <<"\n";
                   if(this == &rhs)
                   {
                       return *this;
                   } else
                       {
                       delete [] arr;
   
                           arr = new int*[r_size];
                           // This Creates a 2-D Pointers
                           for (int i=0 ;i < r_size; i++)
                           {
                               arr[i] = new int[c_size];
                           }
   
                           // Initialize all the Vector to 0 initially
                           for (int row=0; row<r_size; row ++)
                           {
                               for (int column=0; column < c_size; column ++)
                               {
                                   arr[row][column] = rhs.arr[row][column];
                               }
                           }
   
                           return *this;
                       }
   
               }
   
   };
   
               int main()
   {
   
       Matrix m1(3,3);         // Initialize Matrix 3x3
   
       cout << m1;cout << "\n";
   
       m1(0,0,1);
       m1(0,1,2);
       m1(0,2,3);
   
       m1(1,0,4);
       m1(1,1,5);
       m1(1,2,6);
   
       m1(2,0,7);
       m1(2,1,8);
       m1(2,2,9);
   
       cout << m1;cout <<"\n";             // print Matrix
       cout << "Element at Position (1,2) : " << m1(1,2) << endl;
   
       Matrix m2(3,3);
       m2 = m1;
       cout << m2;cout <<"\n";
   
       print(m2);
   
       return 0;
   }