Question $18$

Based on the following code, if a

is found, an

is

thrown:

public void checkPositive$($int a$)$

iff$($a $<mtext></mtext><mn>0</mn><mi>)</mi>$

throw new IllegalArgumentException$("$That$\text{'}$s negative."$)$;

$3$

positive, IllegalArgumentException

negative, Illega$|$ArgumentException

zero, Illegal Argument Exception

None of the above.