Java - Convertir minutos a horas y minutos

public class CustomTime {

    public static final int HOURS  = 0;

    public static final int MINUTES = 1;

    private int _hours;

    private int _minutes;

    public int getMember(int member) throws Exception {

        int answer;

        switch (member) {

            case HOURS:

                answer = _hours;

                break;

            case MINUTES:

                answer = _minutes;

                break;

            default:

                throw new Exception("Unrecognized member");

        }

        return answer;

    }

    public CustomTime(int Hours, int Minutes) {

        _hours = Math.abs(Hours) + Minutes/60;

        _minutes = Minutes % 60;

    }

}