Java Number Format Pattern getNumberOfDays(String year, String month)

Description

get Number Of Days

License

Apache License

Declaration

public static int getNumberOfDays(String year, String month) 

Method Source Code

//package com.java2s;
/*/*from   w w  w  .j a va2s . c om*/
 *
 *  Copyright 2018 FJN Corp.
 *
 *  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.
 *
 *  Author                        Date                       Issue
 *  fs1194361820@163.com          2015-01-01                 Initial Version
 *
 */

import java.text.SimpleDateFormat;

import java.util.GregorianCalendar;

public class Main {

    public static int getNumberOfDays(String year, String month) {
        GregorianCalendar calendar = null;
        SimpleDateFormat sdf = null;

        try {
            int yyyy = Integer.parseInt(year);
            int mm = Integer.parseInt(month);

            calendar = new GregorianCalendar(yyyy, mm, 0);
            sdf = new SimpleDateFormat("dd");

            return Integer.parseInt(sdf.format(calendar.getTime()));
        } catch (Exception ex) {
            ex.printStackTrace();
            return 0;
        }
    }
}

Related

1. getNumberFormatFromCache(Locale locale, Currency currency)
2. getNumberFormatInstanceFor2DecimalDigits()
3. getNumberFormatter()
4. getNumberFormatter(final String format)
5. getNumberFraction2Format(final Locale locale)
6. getNumberStyleAsInt(String style)
7. getOneFractionDigitNumberFormat()
8. getPriceFormat()
9. getScientificFormatter(int precision)