package Codes;

import java.io.Serializable;

import java.util.ArrayList;

import java.util.HashMap;

import java.util.Map;

class Stack<T extends Serializable, T2> {

ArrayList<T> data = new ArrayList<>();;

Map<T, T2> map = new HashMap<>();

void push(T value, T2 value2) {

data.add(value);

map.put(value, value2);

}

void peep() {

System.out.println("Map is " + map);

for (int i = data.size() - 1; i >= 0; i--) {

System.out.println(data.get(i));

}

}

}

public class TemplateDemo {

public static void main(String[] args) {

Stack<String, Double> stack1 = new Stack<>();

stack1.push("hello", 90.20);

// Stack<String> stack2 = new Stack<String>();

// stack.push(10);

// stack.push(20);

// stack.push("Hello");

stack1.peep();

}

}