Analysis of Java method to obtain early morning timestamp

This article describes the method of Java to obtain the early morning timestamp. Share with you for your reference, as follows:

In these two days, there is a requirement to query the user's matching recommendation information, including an effective time period, in days, 0:0:0.

Generally, there are two schemes in Java:

First: use calendar. This is relatively simple and the most common. The code is as follows:

The second type: direct operation timestamp. The code is as follows

Operation results:

@H_ 502_ 25@

The second is better, especially when you are given a time stamp to take the early morning time.

PS: here are some time and date related tools recommended for your reference:

UNIX timestamp conversion tool: @ h_ 404_ 40@ http://tools.jb51.net/code/unixtime

Online date / day Calculator: @ h_ 404_ 40@ http://tools.jb51.net/jisuanqi/date_jisuanqi

Online date calculator / difference days Calculator: @ h_ 404_ 40@ http://tools.jb51.net/jisuanqi/datecalc

Online date day difference calculator: @ h_ 404_ 40@ http://tools.jb51.net/jisuanqi/onlinedatejsq

Readers interested in more Java related content can view the special topics of this site: summary of Java date and time operation skills, tutorial on Java data structure and algorithm, summary of Java DOM node operation skills and summary of Java cache operation skills