How to Convert the days of week in other Language italian, French or German?

private Day [] mDays;

@BindView(android.R.id.list) ListView mListView;
@BindView(android.R.id.empty) TextView mEmptyTextView;

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_daily_forecast);
    ButterKnife.bind(this);

   // String[] dayOfWeek = {"Segunda-Feira", "Terça-Feira", "Quarta-Feira","Quinta-Feira",
           // "Sexta-Feira", "Sabado"};

   // ArrayAdapter<String> adapterone = new ArrayAdapter<String>(this,
           // android.R.layout.simple_list_item_1, dayOfWeek);



    Intent intent = getIntent();
    Parcelable [] parcelables = intent.getParcelableArrayExtra(MainActivity.DAILY_FORESCAST);
    mDays = Arrays.copyOf(parcelables, parcelables.length, Day[].class);

    DayAdapter adapter = new DayAdapter(this, mDays);
    mListView.setAdapter(adapter);
    mListView.setEmptyView(mEmptyTextView);
    mListView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
        @Override
        public void onItemClick(AdapterView<?> adapterView, View view, int position, long id) {
            String dayOfWeek = mDays[position].getDayOfTheWeek();
            String conditions = mDays [position].getSummary();
            String highTemp = mDays [position].getTemperatureMax()+"";
            String message =  String.format("%s a maior temperatura, vai ser %s graus e será %s",
                    dayOfWeek, highTemp, conditions);

            Toast.makeText(DailyForecastActivity.this, message, Toast.LENGTH_LONG).show();

        }
    });
}