Stack class.cpp

//I have a stack file but in that we used stack library to perform  operations but here we will impliment it using class so this new file is created
//Implementaion of stack in array

#include <iostream>
using namespace std;

class stack{

private:
    int* arr;
    int top;
    int maxsize;

public:
    //constructor
    stack(int size){
        arr = new int[size];
        maxsize = size;
        top = -1;
    }

    //function to add
    void push(int value){
        if(top == maxsize - 1){
            cout << "Stack is full" << endl;
        }
        else{
            top++;
            arr[top] = value;
            /*cout << value << " pushed into the stack" << endl;*/
        }
    } 

    
    void print(){
        if(top == -1){
            cout << "Stack is empty" << endl;
        }else{
            for(int i = top; i >= 0; i--){
                cout << arr[i] << endl;
            }
            cout << endl;
        }
    }

    /* void pop(){
        if(top == -1){
            cout << "Stack is empty" << endl;
        }else{
            int popv = arr[top] ;
            top--;
            return popv;
        }
    } */
};

int main(){
    cout << "Implementation of stack using class: " << endl;

    stack arr(5);
    arr.push(1);
    arr.push(2);
    arr.push(3);
    arr.push(4);
    arr.push(5);

    arr.print();

    return 0;
}