获取下一个月日期

public static final String getNextMonth(String queryMonth) throws ParseException {
SimpleDateFormat format = new SimpleDateFormat("yyyy-MM");

    Calendar calendar = Calendar.getInstance();
    // 设置为当前时间
    DateFormat dateFormat = new SimpleDateFormat("yyyy-MM");

    Date month = dateFormat.parse(queryMonth);
    calendar.setTime(month);
    calendar.add(Calendar.MONTH,1);

    Date date = calendar.getTime();
    return format.format(date);
}