NBP部落格-分享是為了成長

寫一程式可輸入生日(年月日)後，計算到今天為止的總天數為多少天？(不考慮閏年與閏月的問題)

import java.lang.*;
import java.util.*;

public class diffdate {
public static void main(String[] args) throws Exception{

java.text.DateFormat df = java.text.DateFormat.getDateInstance(); 

java.util.Date td1 = (new java.text.SimpleDateFormat( "dd/MM/yyyy ")).parse( "01/03/2007 "); 
long lBeginTime = td1.getTime() ; 
java.util.Date td2 = (new java.text.SimpleDateFormat( "dd/MM/yyyy ")).parse( "19/04/2007 "); 
long lEndTime = td2.getTime() ; 
int iDay = (int)((lEndTime-lBeginTime)/86400000);
System.out.print("day:"+iDay);
}
}