java惯用小技巧汇总

java常用小技巧汇总

1.java实现日期加上天数：

public static void main(String[] args) {
?? String createDate = "2008-12-01";
?? SimpleDateFormat sdf = new SimpleDateFormat("yyyy-mm-dd");
?? try {
??? Date date = sdf.parse(createDate);
??? Calendar cl = Calendar.getInstance();
??? cl.setTime(date);
??? cl.add(Calendar.DATE,1);
??? String temp = "";
??? temp = sdf.format(cl.getTime());
??? System.out.println(temp);
?? } catch (ParseException e) {
??? // TODO Auto-generated catch block
??? e.printStackTrace();
?? }
}