Java Hour Calculate trimToHour(Date date)

Description

trim To Hour

License

Apache License

Declaration

public static Date trimToHour(Date date) 

Method Source Code

//package com.java2s;
//License from project: Apache License 

import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;

public class Main {
    public static Date trimToHour(Date date) {
        Calendar c = new GregorianCalendar();
        c.setTime(date);//from   w  ww.j av  a 2  s . c  o m
        c.set(Calendar.MINUTE, 0);
        c.set(Calendar.SECOND, 0);
        c.set(Calendar.MILLISECOND, 0);
        return c.getTime();
    }

    public static long getTime(String s) {
        return parseMysql(s).getTime();
    }

    public static Date parseMysql(String s) {
        try {
            DateFormat fmtTemp = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
            return fmtTemp.parse(s);
        } catch (ParseException e) {
            return null;
        }
    }
}

Related

1. plusHours(Date date, int hours)
2. plusOrMinusHours(Date dateTime, long count)
3. setHours(Date date, int amount)
4. toStringHour(int hours, int minutes, int seconds, int millis)
5. toTime(int hours, int minutes, int seconds)