import java.util.EmptyStackException;

$//$import java.util.Stack;

public class A$3$Stack implements Stack $\{$

private A$3$bNode head;

$//$ Do NOT add any other fields to this class.

$//$ You should be able to implement the Stack

$//$ interface with just a head field.

public A$3$Stack$()\{$

head $=$ null;

$\}$

public void push$($T value$)\{$

A$3$bNode newNode $=$ new A$3$bNode$<>($value$)$;

newNode.next $=$ head;

head $=$ newNode;

$\}$

public T pop$()\{$

A$3$bNode temp $=$ head;

head $=$ head.next;

return temp.getData$()$;

$\}$

public void popAll$()\{$

head $=$ null;

$\}$

public void makeEmpty$()\{$

head $=$ null;

$\}$

public boolean isEmpty$()\{$

return $($head $==$ null$)$;

$\}$

public T peek$()\{$

return head.getData$()$;

$\}$

public int size$()\{$

int count $=0$;

A$3$bNode curr $=$ head;

while $($curr $!=$ null$)\{$

count$++$;

curr $=$ curr.next;

$\}$

return count;

$\}$

$//$ Implemented for you for debugging purposes

public String toString$()\{$

String result $="\{"$;

String separator $=""$;

A$3$bNode cur $=$ head;

while $($cur $!=$ null$)\{$

result $+=$ separator $+$ cur.getData$().$toString$()$;

separator $=","$;

cur $=$ cur.next;

$\}$

result $+="\}"$;

return result;

$\}$

$\}$

Is recieving this error: error: type Stack does not take parameters

public class A$3$Stack implements Stack $\{$

$^$

$1$ error