package com.datastructures.basic;
public class Stack<E> {
private LinkedList<E> data = new LinkedList<>();
public void push(E e) {
data.addFirst(e);
}
public E pop() {
return data.removeFirst();
}
public E peek() {
return data.get(0);
}
public boolean isEmpty() {
return data.size() == 0;
}
public int size() {
return data.size();
}
}