public class Commands
{
    public static final String DEAL_WITH_INCREMENT = "deal with increment";
    public static final String DEAL_INTO = "deal into new stack";
    public static final String CUT = "cut";
}
public class Commands
{
    public static final String DEAL_WITH_INCREMENT = "deal with increment";
    public static final String DEAL_INTO = "deal into new stack";
    public static final String CUT = "cut";

    private Commands ()
    {
    }
}
Update Commands.java