java如何输出指定两个日期之间的所有日期

package com.taozugong.admin.portal.controller;

import java.text.*;
import java.util.Date;
 
public class DateTest {
    String dateFormat = "yyyy-MM-dd";
    SimpleDateFormat format = new SimpleDateFormat(dateFormat);
 
    public static void main(String[] args) {
        DateTest t = new DateTest();
 
        String date1 = "2012-02-26";
        String date2 = "2012-08-04";
 
        t.process(date1, date2);
    }
 
    private void process(String date1, String date2){
        if(date1.equals(date2)){
            System.out.println("两个日期相等!"); 
            return;
        }
 
        String tmp;
        if(date1.compareTo(date2) > 0){  //确保 date1的日期不晚于date2
            tmp = date1; date1 = date2; date2 = tmp;
        }
 
        tmp = format.format(str2Date(date1).getTime() + 3600*24*1000);
 
        int num = 0; 
        while(tmp.compareTo(date2) < 0){                   
            System.out.println(tmp);    
            num++;
            tmp = format.format(str2Date(tmp).getTime() + 3600*24*1000);
        }
 
        if(num == 0)
            System.out.println("两个日期相邻!");
    }
 
private Date str2Date(String str) {
        if (str == null) return null;
 
        try {
            return format.parse(str);
        } catch (ParseException e) {
            e.printStackTrace();
        }
        return null;
    }
}