Simple Class Template

Statement: A class template in C ++ which consists of an

                        array that can store elements of any
                        type (i.e.int, char, float etc)

Download .cpp file (Source File) of this code

template <class dataType>

class elementsList{

       dataType* _array;

       int size;

       int no_of_elements;

public:

       elementsList(){                   //Default Constructor

              size = 100;

              _array = new int[size];

              no_of_elements;

       }

       elementsList(int _size){          //Parametrized constructor

              size = _size;

              _array = new int[size];

              no_of_elements;

       }

       elementsList(const elementsList& obj){   //Copy Constructor

              size = obj.size;

              no_of_elements = obj.no_of_elements;

              for (int i = 0; i < no_of_elements; i++)

                     _array[i] = obj._array[i];

       }

       bool isEmpty() const{

              return (no_of_elements==0)

       }

       bool isFull() const{

              return (no_of_elements==size)

       }

       bool insert(const dataType& value){  //Inserts a value in the list

              if (isFull())

                     return false;

              _array[no_of_elements] = value;

              no_of_elements++;

       }

       bool remove(const dataType& value){   //Removes an element from the list

              int i;

              for (i = 0; i < no_of_elements;i++)

              if (_array[i] == value)

                     break;

              if (i == no_of_elements)          //If element is not present in the list

                     return false;

              for (i; i+1 < no_of_elements; i++)

                     _array[i] = _array[i + 1];

              return true;

       }

       bool search(const dataType& key, int& index){          //Searches a key in the list and if found, returns its index by reference to the main

              for (int i = 0; i < no_of_elements; i++)

              if (_array[i] == key){

                     index = i;

                     return true;

              }

              index = -1;             //If key not found

              return false;

       }

      

       void destroyList(){               //Destroys the list

              no_of_elements = 0;

       }

       void printList(){

              cout << "\t\tPRINTING LIST\n\n"

              for (int i = 0; i < no_of_elements; i++)

                     cout << _array[i] << endl;

       }

       ~elementsList(){           //Destructor

              delete _array;

              _array = nullptr;

       }

};