java 計算兩個日期之間天數
阿新 • • 發佈:2019-01-25
import java.text.ParseException; import java.text.SimpleDateFormat; /** * @author JavaAlpha * @date 2011-8-23 * @version V 1.0 */ public class TT { /** * @param args */ public static void main(String[] args) { SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd"); long to = 0; try { to = df.parse("2011-4-15").getTime(); } catch (ParseException e) { e.printStackTrace(); } long from = 0; try { from = df.parse("2011-8-20").getTime(); } catch (ParseException e) { e.printStackTrace(); } System.out.println((from - to) / (1000 * 60 * 60 * 24)); } }