GregorianCalendar格力高日历

/*
* 复杂的时间计算
*/
Calendar cal = new GregorianCalendar();
Date date = cal.getTime();
SimpleDateFormat sdf = new SimpleDateFormat("yyyy/MM/dd HH:mm:ss");
System.out.println("现在的时间是>>> "+sdf.format(date));

cal.add(Calendar.MONTH, 2);
cal.add(Calendar.DATE, 5);
date = cal.getTime();
System.out.println("修改后的时间是>>> "+sdf.format(date));

/*
* 简单的时间计算
*/
long now = System.currentTimeMillis();
long toDate = now+1000L*60*60*24*5;
System.out.println(sdf.format(toDate));