每月最后1天java好像有现成的sql也可以写出来select last_day(add_months(to_date('2007/02/02','yyyy/mm/dd'),i)) from dual //2007/02/02后的第i个月的最后1天你再传值i进去,循环就可以了
if (year % 400 == 0 || (year % 4 == 0 && year % 100 != 0)) February = 29days; else February = 28days;
import java.text.SimpleDateFormat; import java.util.Date;/* * Created on 2007-5-12 *//** * @author luohan * 从今天开始 循环显示每个月的31日,循环10次 */ public class Theday31 { public static void main(String[] args) { String[] theday = new String[10]; SimpleDateFormat sdf = new SimpleDateFormat("dd"); SimpleDateFormat sdf1 = new SimpleDateFormat("yyyy-MM-dd"); int num = 0; Date date = new Date(); long lon = (date.getTime() / 1000); for (;;) { lon = (date.getTime() / 1000) + 60 * 60 * 24; date.setTime(lon * 1000); String day = sdf.format(date); if (Integer.parseInt(day) == 31) { System.out.println(sdf1.format(date) + ""); num += 1; if (num == 10) { break; } } } } }
Calendar c = Calendar.getInstance(); c.clear(); c.setTime(new SimpleDateFormat("yyyy年MM月dd日").parse("2006年5月31日")); int year = 0; int month = 0; int day = 0; for(int i = 0; i < 10; i++){ year = c.get(Calendar.YEAR); month = c.get(Calendar.MONTH) + 1; day = c.getActualMaximum(Calendar.DATE); System.out.println(year + "年" + month + "月" + day + "日"); c.add(Calendar.MONTH, 1); }
如果只是列出有31天的月数,按
CrazyGou(阿狗)(...) ( )
就差不多了
//2007/02/02后的第i个月的最后1天你再传值i进去,循环就可以了
February = 29days;
else
February = 28days;
import java.text.SimpleDateFormat;
import java.util.Date;/*
* Created on 2007-5-12
*//**
* @author luohan
* 从今天开始 循环显示每个月的31日,循环10次
*/
public class Theday31 { public static void main(String[] args) {
String[] theday = new String[10];
SimpleDateFormat sdf = new SimpleDateFormat("dd");
SimpleDateFormat sdf1 = new SimpleDateFormat("yyyy-MM-dd");
int num = 0;
Date date = new Date();
long lon = (date.getTime() / 1000); for (;;) {
lon = (date.getTime() / 1000) + 60 * 60 * 24;
date.setTime(lon * 1000);
String day = sdf.format(date);
if (Integer.parseInt(day) == 31) {
System.out.println(sdf1.format(date) + "");
num += 1;
if (num == 10) {
break;
}
}
} }
}
c.clear();
c.setTime(new SimpleDateFormat("yyyy年MM月dd日").parse("2006年5月31日"));
int year = 0;
int month = 0;
int day = 0;
for(int i = 0; i < 10; i++){
year = c.get(Calendar.YEAR);
month = c.get(Calendar.MONTH) + 1;
day = c.getActualMaximum(Calendar.DATE);
System.out.println(year + "年" + month + "月" + day + "日");
c.add(Calendar.MONTH, 1);
}