java 获取当前时间的三种方法
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java 获取当前时间的三种方法
https://blog.csdn.net/c851204293/article/details/91801973
1.通过Util包中的Date获取
- Date date = new Date();
- SimpleDateFormat dateFormat= new SimpleDateFormat("yyyy-MM-dd :hh:mm:ss");
- System.out.println(dateFormat.format(date));
2.通过Util包的Calendar 获取
- Calendar calendar= Calendar.getInstance();
- SimpleDateFormat dateFormat= new SimpleDateFormat("yyyy-MM-dd :hh:mm:ss");
- System.out.println(dateFormat.format(calendar.getTime()));
3.通过Util包的Calendar 获取时间,分别获取年月日时分秒
- Calendar cal=Calendar.getInstance();
- int y=cal.get(Calendar.YEAR);
- int m=cal.get(Calendar.MONTH);
- int d=cal.get(Calendar.DATE);
- int h=cal.get(Calendar.HOUR_OF_DAY);
- int mi=cal.get(Calendar.MINUTE);
- int s=cal.get(Calendar.SECOND);
- System.out.println("现在时刻是"+y+"年"+m+"月"+d+"日"+h+"时"+mi+"分"+s+"秒");
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参考:https://blog.csdn.net/qq_34682683/article/details/78716547
标签:java,get,int,dateFormat,SimpleDateFormat,获取,三种,cal,Calendar 来源: https://www.cnblogs.com/sunny3158/p/16031237.html