$/**$

A simulated traffic light.

$*/$

public class TrafficLight

$\{$

private int steps;

$/**$

Constructs a green traffic light.

$*/$

public TrafficLight$()$

$\{$

$/*$ Your code goes here $*/$

$\}$

$/**$

Constructs a traffic light.

@param initialColor the initial color "green", "yellow", or "red"

$*/$

public TrafficLight$($String initialColor$)$

$\{$

$/*$ Your code goes here $*/$

$\}$

$/**$

Moves this traffic light to the next color.

$*/$

public void next$()$

$\{$

steps$++$;

$\}$

$/**$

Returns the current color of this traffic light.

@return the current color

$*/$

public String getColor$()$

$\{$

$/*$ Your code goes here $*/$

$\}$

$/**$

Counts how often this traffic light has been red.

@return the number of times this traffic light has been red

$*/$

public int getReds$()$

$\{$

$/*$ Your code goes here $*/$

$\}$

$\}$