private void setID(String num){
        switch(num){
        case "A":
            id = 1;
            break;
        case "J":
            id = 11;
            break;
        case "Q":
            id = 12;
            break;
        case "K":
            id = 13;
            break;
        default:
            id = Integer.parseInt(num);
            break;
        }
    }