Relogio Dinamico

import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;

public class Sugestoes {

    public static void main(String[] args) {
        try {
            Sugestoes programa = new Sugestoes();
            programa.executar();
        } catch (Throwable t) {
            t.printStackTrace();
        }
    }

    public void executar() {
        Calendar calendario = new GregorianCalendar();
        SimpleDateFormat formatoData = new SimpleDateFormat("dd/MM/yyyy EEEEE");
        SimpleDateFormat formatoHora = new SimpleDateFormat("HH:mm:ss");

        while (true) {
            Date data = new Date();
            calendario.setTime(data);
            System.out.println(formatoData.format(data));
            System.out.println(formatoHora.format(data));

            String opcaoSemana = getOpcaoSemana(calendario);
            System.out.println("Opção da Semana: " + opcaoSemana);

            String opcaoHora = getOpcaoHora(calendario);
            System.out.println("Opção da Hora: " + opcaoHora);

            aguardar(1);
        }

    }

    private String getOpcaoHora(Calendar c) {
        String[] opcoes = new String[] {
                "A",   //  0h
                "B",   //  1h
                "C",   //  2h
                "D",   //  3h
                "E",   //  4h
                "F",   //  5h
                "A",   //  6h
                "H",   //  7h
                "KM",  //  8h
                "AB",  //  9h
                "ACD", // 10h
                "A",   // 11h
                "ATY", // 12h
                "L",   // 13h
                "S",   // 14h
                "P",   // 15h
                "L",   // 16h
                "UI",  // 17h
                "LRT", // 18h
                "LX",  // 19h
                "L",   // 20h
                "OI",  // 21h
                "L",   // 22h
                "LNY"  // 23h
        };
        int hora = c.get(Calendar.HOUR_OF_DAY);
        return opcoes[hora];
    }

    private String getOpcaoSemana(Calendar c) {
        int dia = c.get(Calendar.DAY_OF_WEEK);
        switch (dia) {
            case Calendar.SUNDAY:
                return "Carboidrato";
            case Calendar.MONDAY:
                return "Áspartico";
            case Calendar.TUESDAY:
                return "Prolina";
            case Calendar.WEDNESDAY:
                return "Glutamina";
            case Calendar.THURSDAY:
                return "Lisina";
            case Calendar.FRIDAY:
                return "Fenilalanina";
            case Calendar.SATURDAY:
                return "Histidina";
            default:
                throw new IllegalArgumentException("Dia inválido: " + dia);
        }
    }

    private void aguardar(int segundos) {
        try {
            long milissegundos = segundos * 1000;
            Thread.sleep(milissegundos);
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
    }
}