help finish method in java

$/**$

$*$ Removes the candidate matching the provided candidate exactly from the election's list of

$*$ candidates

$*$

$*$ @param candidate

$*$

$*$ Throws:

$*$ IllegalStateException $-$ if you try to remove from an empty candidates list

$*$ NoSuchElementException $-$ if the given Candidate is not present in this election's list of

$*$ candidates

$*/$

public void removeCandidate$($Candidate candidate$)\{$

if $($candidates$.$equals$($candidate$))\{$

candidate $=$ null;

$\}$