Java Month Day getFirstDayOfMonth(Date date)

Description

get First Day Of Month

License

Open Source License

Declaration

public static Date getFirstDayOfMonth(Date date) throws ParseException 

Method Source Code

//package com.java2s;
import java.text.ParseException;

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

public class Main {

    public static Date getFirstDayOfMonth(Date date) throws ParseException {

        Calendar calendar = Calendar.getInstance();
        calendar.setTime(date);/*from  w w w.  ja v  a 2 s . c om*/
        calendar.set(calendar.get(Calendar.YEAR), calendar.get(Calendar.MONTH), 1);
        return calendar.getTime();
    }

    public static Date getFirstDayOfMonth(Integer year, Integer month) {
        Calendar calendar = Calendar.getInstance();
        if (year == null) {
            year = calendar.get(Calendar.YEAR);
        }
        if (month == null) {
            month = calendar.get(Calendar.MONTH);
        }
        calendar.set(year, month, 1);
        return calendar.getTime();
    }
}

Related

1. getFirstDayOfLastMonth()
2. getfirstDayOfMonth()
3. getFirstDayOfMonth(Calendar c)
4. getFirstDayOfMonth(Date date)
5. getFirstDayOfMonth(Date date)
6. getFirstDayOfMonth(Date date)
7. getFirstDayOfMonth(Date date)
8. getFirstDayOfMonth(Long date)
9. getFirstDayOfNextMonth()