get Start Of Day in milliseconds - Java java.util

Java examples for java.util:Millisecond

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Description

get Start Of Day in milliseconds

Demo Code


//package com.java2s;
import java.util.Calendar;

public class Main {
    public static void main(String[] argv) throws Exception {
        int year = 2;
        int month = 2;
        int day = 2;
        System.out.println(getStartOfDayMs(year, month, day));
    }/*  w ww  . java  2 s .c om*/

    public static long getStartOfDayMs(int year, int month, int day) {
        final Calendar date = Calendar.getInstance();

        date.set(Calendar.YEAR, year);
        date.set(Calendar.MONTH, month);
        date.set(Calendar.DAY_OF_MONTH, day);
        date.set(Calendar.HOUR_OF_DAY,
                date.getActualMinimum(Calendar.HOUR_OF_DAY));
        date.set(Calendar.MINUTE, date.getActualMinimum(Calendar.MINUTE));
        date.set(Calendar.SECOND, date.getActualMinimum(Calendar.SECOND));
        date.set(Calendar.MILLISECOND,
                date.getActualMinimum(Calendar.MILLISECOND));
        return date.getTimeInMillis();
    }
}

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