Tag: date difference

减去日期并获得天数差异。如何减去它们?

任何人都可以告诉如何从“今天”减去字符串“后”以获得天差。 import java.text.*; import java.util.*; public class Main { public static void main(String args[]){ SimpleDateFormat sdf=new SimpleDateFormat(“yyyy/MM/dd”); Calendar cal=Calendar.getInstance(); String today=sdf.format(cal.getTime()); System.out.println(today); cal.add(Calendar.DATE, 20); String After=sdf.format(cal.getTime()); System.out.println(After); } }