public class Verifier
{
    public Verifier (boolean debug)
    {
        _debug = debug;
    }

    private boolean _debug;
}
public class Verifier
{
    public final String PASS_1 = "FBFBBFFRLR";
    public final String PASS_2 = "BFFFBBFRRR";
    public final String PASS_3 = "FFFBBBFRRR";
    public final String PASS_4 = "BBFFBBFRLL";
    
    public Verifier (boolean debug)
    {
        _debug = debug;
    }

    private boolean _debug;
}
Update Verifier.java