Từ điển sắp xếp theo tiếng Việt

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package worker;


import java.util.Collections;
import java.util.Comparator;
import java.util.HashMap;
import java.util.Vector;

/**
 *
 * @author Huy Hung
 */
public class AllFunction {

    private HashMap<Character, String> codeVN = new HashMap<>();

    public AllFunction() {
        createCode();
    }

    private void createCode() {
        codeVN.put(' ', "000");        codeVN.put('!', "001");        codeVN.put('\"', "002");
        codeVN.put('#', "003");        codeVN.put('$', "004");        codeVN.put('%', "005");
        codeVN.put('&', "006");        codeVN.put('\'', "007");       codeVN.put('(', "008");
        codeVN.put(')', "009");        codeVN.put('*', "010");        codeVN.put('+', "011");
        codeVN.put(',', "012");        codeVN.put('-', "013");        codeVN.put('.', "014");
        codeVN.put('/', "015");        codeVN.put('0', "016");        codeVN.put('1', "017");
        codeVN.put('2', "018");        codeVN.put('3', "019");        codeVN.put('4', "020");
        codeVN.put('5', "021");        codeVN.put('6', "022");        codeVN.put('7', "023");
        codeVN.put('8', "024");        codeVN.put('9', "025");        codeVN.put(':', "026");
        codeVN.put(';', "027");        codeVN.put('<', "028");        codeVN.put('=', "029");
        codeVN.put('>', "030");        codeVN.put('?', "031");        codeVN.put('@', "032");
        codeVN.put('[', "033");        codeVN.put('\\', "034");       codeVN.put(']', "035");
        codeVN.put('^', "036");        codeVN.put('_', "037");        codeVN.put('`', "038");

        codeVN.put('a', "039");        codeVN.put('á', "040");        codeVN.put('à', "041");
        codeVN.put('ả', "042");        codeVN.put('ã', "043");        codeVN.put('ạ', "044");
        codeVN.put('ă', "045");        codeVN.put('ắ', "046");        codeVN.put('ằ', "047");
        codeVN.put('ẳ', "048");        codeVN.put('ẵ', "049");        codeVN.put('ặ', "050");
        codeVN.put('â', "051");        codeVN.put('ấ', "052");        codeVN.put('ầ', "053");
        codeVN.put('ẩ', "054");        codeVN.put('ẫ', "055");        codeVN.put('ậ', "056");
        codeVN.put('b', "057");        codeVN.put('c', "058");        codeVN.put('d', "059");
        codeVN.put('đ', "060");        codeVN.put('e', "061");        codeVN.put('é', "062");
        codeVN.put('è', "063");        codeVN.put('ẻ', "064");        codeVN.put('ẽ', "065");
        codeVN.put('ẹ', "066");        codeVN.put('ê', "067");        codeVN.put('ế', "068");
        codeVN.put('ề', "069");        codeVN.put('ể', "070");        codeVN.put('ễ', "071");
        codeVN.put('ệ', "072");        codeVN.put('f', "073");        codeVN.put('g', "074");
        codeVN.put('h', "075");        codeVN.put('i', "076");        codeVN.put('í', "077");
        codeVN.put('ì', "078");        codeVN.put('ỉ', "079");        codeVN.put('ĩ', "080");
        codeVN.put('ị', "081");        codeVN.put('j', "082");        codeVN.put('k', "083");
        codeVN.put('l', "084");        codeVN.put('m', "085");        codeVN.put('n', "086");
        codeVN.put('o', "087");        codeVN.put('ó', "088");        codeVN.put('ò', "089");
        codeVN.put('ỏ', "090");        codeVN.put('õ', "091");        codeVN.put('ọ', "092");
        codeVN.put('ơ', "093");        codeVN.put('ớ', "094");        codeVN.put('ờ', "095");
        codeVN.put('ở', "096");        codeVN.put('ỡ', "097");        codeVN.put('ợ', "098");
        codeVN.put('ô', "099");        codeVN.put('ố', "100");        codeVN.put('ồ', "101");
        codeVN.put('ổ', "102");        codeVN.put('ỗ', "103");        codeVN.put('ộ', "104");
        codeVN.put('p', "105");        codeVN.put('q', "106");        codeVN.put('r', "107");
        codeVN.put('s', "108");        codeVN.put('t', "109");        codeVN.put('u', "110");
        codeVN.put('ú', "111");        codeVN.put('ù', "112");        codeVN.put('ủ', "113");
        codeVN.put('ũ', "114");        codeVN.put('ụ', "115");        codeVN.put('ư', "116");
        codeVN.put('ứ', "117");        codeVN.put('ừ', "118");        codeVN.put('ử', "119");
        codeVN.put('ữ', "120");        codeVN.put('ự', "121");        codeVN.put('v', "122");
        codeVN.put('x', "123");        codeVN.put('y', "124");        codeVN.put('z', "125");

        codeVN.put('{', "126");        codeVN.put('|', "127");        codeVN.put('}', "128");
        codeVN.put('~', "129");
    }

    public String generator(String input) {
        StringBuilder result = new StringBuilder();
        char[] b = input.toLowerCase().toCharArray();
        for (int i = 0; i < b.length; i++) {
            result.append(codeVN.get(b[i]));
        }
        return result.toString();
    }

    public static void main(String[] args) {
        AllFunction all = new AllFunction();

        Vector<String> vtName = new Vector<>();
        vtName.add("Duy");
        vtName.add("trinh");
        vtName.add("đạt");
        vtName.add("Dũng");
        vtName.add("nhân");
        vtName.add("1");
        vtName.add("a");

        Collections.sort(vtName, new Comparator<String>(){

            @Override
            public int compare(String o1, String o2) {
                return all.generator(o1).compareTo(all.generator(o2));
            }
        });

        for(String name : vtName){
            System.out.print(name + " : ");
        }

    }

}