public class cow            // did not capitalise class name
{
    public String spot_color;   // no camelcase; I thought underscores looked cooler
    public int age;         // all public fields

    // I didn't comment anything! =D These comments just explain my muckups!
    public String get_spot_color()
    {
        return spot_color;
    }

    public void set_spot_color(String sc)
    {
        spot_color = sc;
    }

    public static void main(String [] args)     // I thought [] looked better centred
    {

    }
}