Java源码，算算你活了多久

 1 import java.text.*;
 2 import java.util.*;
 3 public class DateDemo {
 4 public static void main(String[] args) throws Exception{ //throws Exception {
 5     /*DateFormat df = DateFormat.getDateInstance();
 6     String date ="2014-7-18";
 7     Date d = df.parse(date);
 8     System.out.println(d);*/
 9     Scanner sc = new Scanner(System.in);
10     System.out.println("请输入你的出生年月日");
11     String Date1 = sc.nextLine();
12     System.out.println("请输入现在的年月日");
13     String Date2 = sc.nextLine();
14     DateFormat df = DateFormat.getDateInstance();
15     Date de1 = df.parse(Date1);//转换成日期类型
16     Date de2 = df.parse(Date2);//转换成日期类型
17     long time1 = de1.getTime();//转换成毫秒
18     long time2 = de2.getTime();//转换成毫秒
19     long time3 = Math.abs(time2-time1)/1000/60/60/24;
20     System.out.println(time3);
21 }
22 }