Stack in C++

stack.cpp

/*Stack in c++
 *(FOR RECORD WORK)
 *Jagadeesh Kotra (github.com/jkotra)
 *Dt: 26.08.2019  */

#include <iostream>

using namespace std;

class Stack{
private:
    int stk[5]{};
    const int maxsize = 5;
    int top;
public:
    Stack();
    void push(int x);
    void pop();
    bool isempty();
    bool isfull();
    void gettop();
};

Stack::Stack() {

    top = -1;
}

void Stack::push(int x) {
    if (isfull())
        cout << "stack Overflow" << endl;
    else {
        top++;
        stk[top] = x;
    }
}

void Stack::pop() {
    if (isempty())
        cout << "stack underflow" << endl;
    else {
        cout << stk[top] << " popped" << endl;
        top--;
    }
}

bool Stack::isempty() {
    return top == -1;
}

bool Stack::isfull() {
    return top == (maxsize-1);
}

void Stack::gettop() {
    if (isempty())
        cout << "Stack is empty!";
    else
        cout << "top most element is " << stk[top] << endl;
}

int main() {
    Stack s;
    s.push(1);
    s.push(2);
    s.push(3);
    s.push(4);
    s.pop();
    s.gettop();
    s.pop();
    s.gettop();
    return 0;
}

/* Output :
 *  4 popped
 *  top most element is 3
 *  3 popped
 *  top most element is 2 */