/**
* Write a description of class Stack here.
*
* @Samuel Berkat Hulu
* @Version 5.0
*/
import java.util.ArrayList;
import java.util.List;
public class Stack
{
private List<Object> list=new ArrayList<Object>();
private int currentIndex =-1;
public void push(Object object)
{
list.add(object);
currentIndex++;
}
public Object pop()
{
Object object=list.remove(currentIndex);
currentIndex--;
return object;
}
public int count()
{
return list.size();
}
public Object peek()
{
return list.get(currentIndex);
}
public void clear()
{
list.clear();
currentIndex=-1;
}
public static void main(String[] args)
{
}
}