Date

//计算加一个月后的日期 日期 public static void main(String[] args) {

    Calendar ca = Calendar.getInstance();
    ca.setTime(new Date());
    ca.add(Calendar.MONTH, +1);
    Date result=ca.getTime();
    SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM");
    System.out.println(sdf.format(result));

	System.out.println(DataFormat.getCurrDateStr());
	System.out.println(new SimpleDateFormat("yyyy-MM").format(new Date()));
}