Java Date Start getStartOfDay(Date day)

Description

get Start Of Day

License

Open Source License

Declaration

public static Date getStartOfDay(Date day) 

Method Source Code

//package com.java2s;

import java.util.Calendar;
import java.util.Date;

public class Main {

    public static Date getStartOfDay(Date day) {
        Calendar calendar = Calendar.getInstance();
        calendar.setTime(day);//  w ww  .  j  ava 2  s .c om

        calendar.set(Calendar.HOUR_OF_DAY, 0);
        calendar.set(Calendar.MINUTE, 0);
        calendar.set(Calendar.SECOND, 0);
        calendar.set(Calendar.MILLISECOND, 0);

        return calendar.getTime();
    }

    public static Date set(Date date, int calendarFiled, int amount) {
        if (null == date) {
            throw new IllegalArgumentException("The date must not be null");
        } else {

        }
        Calendar c = Calendar.getInstance();
        c.setTime(date);
        c.set(calendarFiled, amount);
        return c.getTime();
    }
}

Related

1. getStartDayOfNextMonth(Date date)
2. getStartOfDate(final Date date)
3. getStartOfDay(Date date)
4. getStartOfDay(Date date)
5. getStartOfDay(Date day)
6. getStartOfMonth(Date date)
7. getStartOfMonth(Date dt)
8. getStartOfMonth(Date dt)
9. getStartOfQuarter(Date dt)