java中的日期

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Date now = new Date(time);
  Calendar cal = Calendar.getInstance();
  cal.setTimeInMillis(System.currentTimeMillis()+999L*24*60*60*1000);
  //cal.setTimeInMillis(time);//以毫秒为单位设置时间
  System.out.println(cal);

  System.out.println(cal.get(1));//获得年
  System.out.println(cal.get(2)+1);//月
  System.out.println(cal.get(5));//日
  System.out.println(cal.get(11));//时？待验证
  System.out.println(cal.get(12));//分？待验证
  System.out.println(cal.get(13));//秒？待验证

  //SimpleDateFormat sdf = new SimpleDateFormat("yy-MM-dd HH:mm:ss");
  //String str = sdf.format(now);
  //System.out.println(str);

  System.out.println(now.getYear()+1900);
  System.out.println(now.getMonth()+1);
  System.out.println(now.getDate());

  System.out.println(now.getHours());
  System.out.println(now.getMinutes());
  System.out.println(now.getSeconds());

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