Class Template for Stack of Array

Class Template for Stack of Array.cpp

#include<iostream>
#include<conio.h>
using namespace std;

template<class X> 
class Stack{
	private:
		X index;
		X pile[100];
		
	public:
		/*void initialization(){
			index=0;
		}*/
		/*This function can be put into Constructor so that it initialize itself for the new objects. So, I am putting in it Constructor.*/
		
		Stack():index(0){} /*Default constructor to set the index 0.*/

		void push(X temp){
			if(index==100){
				cout << "\nStack is full.\n";
				return;
			}
			pile[index++]=temp;
		}

		X pop(){
			if(index==0){
				cout << "\nStack is empty.\n";
			}
			return pile[--index];
		}
};

int main(){
	Stack<int> s1;
	/*s1.pop(); You will get the message "Stack is empty." here*/

	// s1.initialization();

	s1.push(100);
	s1.push(20);
	s1.push(30);

	cout << s1.pop() << endl;
	cout << s1.pop() << endl;
	cout << s1.pop() << endl;

	getch();
	return 0;
}