JAVA计算两个日期之间的天数

计算两个日期之间的天数

public static void main (String[] args) {
        String s1 = "2003-09-14";
        String s2 = "2003-05-24";
        String t1 = s1.replace('-','/');
        String t2 = s2.replace('-','/');
        try{
            Date dt1= new Date(t1);
            Date dt2= new Date(t2);
            System.out.println("dt1="+dt1.getTime());
            System.out.println("dt2="+dt2.getTime());
            long l = dt1.getTime() - dt2.getTime();
   
            System.out.println("---------->;"+l/60/60/1000/24);
        }catch(Exception e){
            System.out.println("exception"+e.toString());
        }
}