Java Month Get getMonth(Date date)

Description

get Month

License

Open Source License

Declaration

public static String getMonth(Date date) 

Method Source Code

//package com.java2s;

import java.text.SimpleDateFormat;

public class Main {

    public static String getMonth(Date date) {
        return FormatDate(date, "MM");
    }//from w w  w  .j  a va  2  s . c o  m

    public static int getMonth(Date start, Date end) {
        if (start.after(end)) {
            Date t = start;
            start = end;
            end = t;
        }
        Calendar startCalendar = Calendar.getInstance();
        startCalendar.setTime(start);
        Calendar endCalendar = Calendar.getInstance();
        endCalendar.setTime(end);
        Calendar temp = Calendar.getInstance();
        temp.setTime(end);
        temp.add(Calendar.DATE, 1);

        int year = endCalendar.get(Calendar.YEAR) - startCalendar.get(Calendar.YEAR);
        int month = endCalendar.get(Calendar.MONTH) - startCalendar.get(Calendar.MONTH);

        if ((startCalendar.get(Calendar.DATE) == 1) && (temp.get(Calendar.DATE) == 1)) {
            return year * 12 + month + 1;
        } else if ((startCalendar.get(Calendar.DATE) != 1) && (temp.get(Calendar.DATE) == 1)) {
            return year * 12 + month;
        } else if ((startCalendar.get(Calendar.DATE) == 1) && (temp.get(Calendar.DATE) != 1)) {
            return year * 12 + month;
        } else {
            return (year * 12 + month - 1) < 0 ? 0 : (year * 12 + month);
        }
    }

    public static String FormatDate(Date date, String sf) {
        if (date == null)
            return "";
        SimpleDateFormat dateformat = new SimpleDateFormat(sf);
        return dateformat.format(date);
    }
}

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