[gabriel]

Code:

Date dday1=new Date(2007,6,31);
Date dday2=new Date(2005,1,1);
long sDay1=dday1.getTime();
long sDay2=dday2.getTime();
System.out.println(""+sDay1+"---"+sDay2);

it returns to me ：1120147200000---1120147200000
why?