@@ -0,0 +1,528 @@
+package ua.org.horishniy.rpncalculator.utils;%0A%0Aimport java.util.ArrayList;%0A%0A/**%0A * Created by rage on 27.12.14.%0A *%0A * This class realize FILO stack%0A */%0Apublic class FiloStack%3CT%3E extends ArrayList%3CT%3E %7B%0A%0A    //To add new element%0A    public void push(T t) %7B%0A        add(t);%0A    %7D%0A%0A    //Get last element%0A    public T peek() %7B%0A        return get(size() - 1);%0A    %7D%0A%0A    //Delete last element%0A    public void pop() %7B%0A        remove(size() - 1);%0A    %7D%0A%0A    //Is empty%0A    public boolean empty() %7B%0A        return size() == 0;%0A    %7D%0A%0A%7D%0A

Create FILO stack