[英]How to get Alternate Dates between Two Dates in java?
In my Java Application i'm print all the Dates between Two dates by using below code.. 在我的Java应用程序中,我使用以下代码打印两个日期之间的所有日期。
List<Date> dates = new ArrayList<Date>();
String str_date ="2012-12-01";
String end_date ="2012-12-06";
DateFormat formatter = new SimpleDateFormat("yyyy-mm-dd");
Date startDate = (Date)formatter.parse(str_date);
Date endDate = (Date)formatter.parse(end_date);
long interval = 24*1000 * 60 * 60; // 1 hour in millis
long endTime =endDate.getTime() ; // create your endtime here, possibly using Calendar or Date
long curTime = startDate.getTime();
while (curTime <= endTime) {
dates.add(new Date(curTime));
curTime += interval;
}
int i=0;
for(i=0+i;i<dates.size();i++){
Date d =(Date)dates.get(i);
String ds = formatter.format(d);
System.out.println(" " + ds+" ");
}
But i Want 2 types of Date like.... 但我想要2种日期类型,如...。
2012-12-01 2012-12-03 2012-12-06
获取替代日EX: 2012-12-01 2012-12-03 2012-12-06
Actually i'm trying to Print i+1 or i-1
it gives Array Index out of Bound.. 实际上我正在尝试打印i+1 or i-1
它使数组索引超出范围。
I think you can try in this way - 我认为您可以通过这种方式尝试-
Date startDate = (Date) formatter.parse(str_date);
Date endDate = (Date) formatter.parse(end_date);
Calendar cal = Calendar.getInstance();
Calendar cal1 = Calendar.getInstance();
cal.setTime(startDate);
cal1.setTime(endDate);
int i=0; // use this for alternative date print
while (!cal.equals(cal1)) {
cal.add(Calendar.DATE, 1);
if(cal.get(Calendar.DAY_OF_WEEK)==Calendar.SATURDAY || cal.get(Calendar.DAY_OF_WEEK)==Calendar.SUNDAY)
System.out.println(cal.get(Calendar.DAY_OF_WEEK));
System.out.println(cal.getTime());
}
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