public class Snake
{
    private String species;

    public Snake() 
    {
        setSpecies("none");
    }

    public Snake(String aSpecies) 
    {
        setSpecies(aSpecies);
    }

    public String getSpecies()
    {
        return(species);
    }

    public void setSpecies(String aSpecies)
    {
        if (aSpecies == null)
            System.out.println("Can't set: No species provided");
        else
            species = aSpecies;
    }

    public void sleep()
    {
        // Call the snore method here
    }

    public void snore()
    {
        System.out.println("zzzZZZ");
    }
}