package Problem$2$;

public class MinStack extends ArrayStack $\{$

$//$ do not add or change member variables

$//$ data is stored in the $"$T$[]$ data" array in the base class

private Stack dataStore;

public MinStack$($int size$)\{$

$//$ TODO: your code here

super$($size$)$; $//$ place holder

$\}$

@Override

public boolean push$($Integer val$)\{$

$//$ TODO: your code here

return false; $//$ TODO: replace this with your code

$\}$

@Override

public Integer pop$()\{$

$//$ TODO: your code here

return $-1$; $//$ TODO: replace this with your code

$\}$

public Integer getMin$()\{$

$//$ TODO: your code here

$//$ loop of any kind is not allowed

return $-1$; $//$ TODO: replace this with your code

$\}$

$\}$