java判断两个日期相等，java判断日期,package cn.o

java判断两个日期相等，java判断日期,package cn.o

package cn.outofmemory;import org.apache.commons.lang3.time.DateUtils;import java.util.Calendar;import java.util.Date;public class CheckDays {    public static void main(String[] args) {        Date date1 = new Date();        Date date2 = new Date();        System.out.print("Date 1 = " + date1 + " and Date 2 = " +date2);        // Check if two instances of Date are the same         if (DateUtils.isSameDay(date1, date2)) {            System.out.println(" ->Dates match");        }        else             System.out.println(" ->Dates not match");        Calendar cal1 = Calendar.getInstance();        Calendar cal2 = Calendar.getInstance();        System.out.print("Calendar 1 = " + date1 + " and Calendar 2 = " +date2);        // Check if two instances of Calendar are the same         if (DateUtils.isSameDay(cal1, cal2)) {            System.out.println(" ->Calendars match");        }        else             System.out.println(" ->Calendars not match");        // Change month o the second calendar and test the values        cal2.add(Calendar.DAY_OF_MONTH, 10);        System.out.print("Calendar 1 = " + date1 + " and Calendar 2 = " +date2);        if (DateUtils.isSameDay(cal1, cal2)) {            System.out.println(" ->Calendars match");        }        else             System.out.println(" ->Calendars not match");    }}