Java Day of Week getWeekDay(Date d)

Description

get Week Day

License

Apache License

Declaration

public static int getWeekDay(Date d) 

Method Source Code

//package com.java2s;
/*// w ww  . j a  va2  s.c o  m
 * JEF - Copyright 2009-2010 Jiyi (mr.jiyi@gmail.com)
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

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

public class Main {

    public static int getWeekDay(Date d) {
        if (d == null)
            return -1;
        final Calendar c = new GregorianCalendar();
        c.setTime(d);
        return c.get(Calendar.DAY_OF_WEEK) - 1;
    }

    public static final Date get(int year, int month, int date) {
        Calendar calendar = Calendar.getInstance();
        calendar.set(year, month - 1, date, 0, 0, 0);
        calendar.set(Calendar.MILLISECOND, 0);
        return calendar.getTime();
    }

    public static final Date get(int year, int month, int date, int hour, int minute, int second) {
        Calendar calendar = Calendar.getInstance();
        calendar.set(year, month - 1, date, hour, minute, second);
        calendar.set(Calendar.MILLISECOND, 0);
        return calendar.getTime();
    }
}

Related

1. getWeekCategory(final Date date)
2. getWeekChineseIndex(Date curDate)
3. getWeekDate(String date)
4. getWeekDateList(Date today, int index)
5. getWeekday(Date d)
6. getWeekDay(Date date)
7. getWeekDay(Date date)
8. getWeekDay(Date date)
9. getWeekDay(Date date)