public class DateUtil{
SimpleDateFormat sdf = new SimpleDateFormat("yyyy年MM月dd日");
Date date = new Date();
System.out.println(sdf.format(date)+"========"+date.getTime());
//这种增加好像只能增加到一个月之内~~~
Date date2 = new Date(date.getTime()+1000*60*60*24*20);
System.out.println(sdf.format(date2)+"========="+date2.getTime());
Calendar calendar = Calendar.getInstance();
calendar.add(Calendar.DATE, 100);
Date date3 = calendar.getTime();
System.out.println(sdf.format(date3));
}
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