排序和金额转换·两道JAVA编程题及答案

来源：java认证发布时间：2012-11-12 12:48:09java认证视频

    chineseNumberMap.put("1", ONE);
    chineseNumberMap.put("2", TWO);
    chineseNumberMap.put("3", THREE);
    chineseNumberMap.put("4", FOUR);
    chineseNumberMap.put("5", FIVE);
    chineseNumberMap.put("6", SIX);
    chineseNumberMap.put("7", SEVEN);
    chineseNumberMap.put("8", EIGHT);
    chineseNumberMap.put("9", NINE);
    chineseNumberMap.put(DOT, DOT);
    chineseMoneyPattern.put("1", TEN);
    chineseMoneyPattern.put("2", HUNDRED);
    chineseMoneyPattern.put("3", THOUSAND);
    chineseMoneyPattern.put("4", TEN_THOUSAND);
    chineseMoneyPattern.put("5", TEN);
    chineseMoneyPattern.put("6", HUNDRED);
    chineseMoneyPattern.put("7", THOUSAND);
    chineseMoneyPattern.put("8", HUNDRED_MILLION);
  }
  public static SimpleMoneyFormat getInstance() {
    if (formatter == null)
      formatter = new SimpleMoneyFormat();
    return formatter;
  }
  public String format(String moneyStr) {
    checkPrecision(moneyStr);
    String result;
    result = convertToChineseNumber(moneyStr);
    result = addUnitsToChineseMoneyString(result);
    return result;
  }
  public String format(double moneyDouble) {
    return format(numberFormat.format(moneyDouble));
  }
  public String format(int moneyInt) {
    return format(numberFormat.format(moneyInt));
  }
  public String format(long moneyLong) {
    return format(numberFormat.format(moneyLong));
  }
  public String format(Number moneyNum) {
    return format(numberFormat.format(moneyNum));
  }
  private String convertToChineseNumber(String moneyStr) {
    String result;
    StringBuffer cMoneyStringBuffer = new StringBuffer();
    for (int i = 0; i < moneyStr.length(); i++) {
      cMoneyStringBuffer.append(chineseNumberMap.get(moneyStr.substring(i, i + 1)));
    }
    //拾佰仟万亿等都是汉字里面才有的单位，加上它们
    int indexOfDot = cMoneyStringBuffer.indexOf(DOT);
    int moneyPatternCursor = 1;
    for (int i = indexOfDot - 1; i > 0; i--) {
      cMoneyStringBuffer.insert(i, chineseMoneyPattern.get(EMPTY + moneyPatternCursor));
      moneyPatternCursor = moneyPatternCursor == 8 ? 1 : moneyPatternCursor + 1;
    }
    String fractionPart = cMoneyStringBuffer.substring(cMoneyStringBuffer.indexOf("."));
    cMoneyStringBuffer.delete(cMoneyStringBuffer.indexOf("."), cMoneyStringBuffer.length());
    while (cMoneyStringBuffer.indexOf("零拾") != -1) {

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