Java İller Map

HashMap<String, String> cityMap = new HashMap<String,String>();

private String getCityCode(String cityName){
        return cityMap.get(cityName);
}

private void initCityCodes(){
        cityMap.put("Adana", "01");
        cityMap.put("Adıyaman", "02");
        cityMap.put("Afyon", "03");
        cityMap.put("Ağrı", "04");
        cityMap.put("Amasya", "05");
        cityMap.put("Ankara", "06");
        cityMap.put("Antalya", "07");
        cityMap.put("Artvin", "08");
        cityMap.put("Aydın", "09");
        cityMap.put("Balıkesir", "10");
        cityMap.put("Bilecik", "11");
        cityMap.put("Bingöl", "12");
        cityMap.put("Bitlis", "13");
        cityMap.put("Bolu", "14");
        cityMap.put("Burdur", "15");
        cityMap.put("Bursa", "16");
        cityMap.put("Çanakkale", "17");
        cityMap.put("Çankırı", "18");
        cityMap.put("Çorum", "19");
        cityMap.put("Denizli", "20");
        cityMap.put("Diyarbakır", "21");
        cityMap.put("Edirne", "22");
        cityMap.put("Elazığ", "23");
        cityMap.put("Erzincan", "24");
        cityMap.put("Erzurum", "25");
        cityMap.put("Eskişehir", "26");
        cityMap.put("Gaziantep", "27");
        cityMap.put("Giresun", "28");
        cityMap.put("Gümüşhane", "29");
        cityMap.put("Hakkari", "30");
        cityMap.put("Hatay", "31");
        cityMap.put("Isparta", "32");
        cityMap.put("İçel", "33");
        cityMap.put("İstanbul", "34");
        cityMap.put("İzmir", "35");
        cityMap.put("Kars", "36");
        cityMap.put("Kastamonu", "37");
        cityMap.put("Kayseri", "38");
        cityMap.put("Kırklareli", "39");
        cityMap.put("Kırşehir", "40");
        cityMap.put("Kocaeli", "41");
        cityMap.put("Konya", "42");
        cityMap.put("Kütahya", "43");
        cityMap.put("Malatya", "44");
        cityMap.put("Manisa", "45");
        cityMap.put("Kahramanmaraş", "46");
        cityMap.put("Mardin", "47");
        cityMap.put("Muğla", "48");
        cityMap.put("Muş", "49");
        cityMap.put("Nevşehir", "50");
        cityMap.put("Niğde", "51");
        cityMap.put("Ordu", "52");
        cityMap.put("Rize", "53");
        cityMap.put("Sakarya", "54");
        cityMap.put("Samsun", "55");
        cityMap.put("Siirt", "56");
        cityMap.put("Sinop", "57");
        cityMap.put("Sivas", "58");
        cityMap.put("Tekirdağ", "59");
        cityMap.put("Tokat", "60");
        cityMap.put("Trabzon", "61");
        cityMap.put("Tunceli", "62");
        cityMap.put("Şanlıurfa", "63");
        cityMap.put("Uşak", "64");
        cityMap.put("Van", "65");
        cityMap.put("Yozgat", "66");
        cityMap.put("Zonguldak", "67");
        cityMap.put("Aksaray", "68");
        cityMap.put("Bayburt", "69");
        cityMap.put("Karaman", "70");
        cityMap.put("Kırıkkale", "71");
        cityMap.put("Batman", "72");
        cityMap.put("Şırnak", "73");
        cityMap.put("Bartın", "74");
        cityMap.put("Ardahan", "75");
        cityMap.put("Iğdır", "76");
        cityMap.put("Yalova", "77");
        cityMap.put("Karabük", "78");
        cityMap.put("Kilis", "79");
        cityMap.put("Osmaniye", "80");
        cityMap.put("Düzce", "81");
        }