Here you can find the source of daysInMonth(int month, int year)
Parameter | Description |
---|---|
month | 1-12 format |
year | a parameter |
public static int daysInMonth(int month, int year)
//package com.java2s; /* /*from w w w .j a v a 2 s.c om*/ * The MIT License * * Copyright 2016 Benny Lutati. * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ import java.util.Calendar; public class Main { private static Calendar cd = Calendar.getInstance(); /** * * @param month 1-12 format * @param year * @return */ public static int daysInMonth(int month, int year) { cd.set(year, month - 1, 1); return cd.getActualMaximum(Calendar.DAY_OF_MONTH); } }