Here you can find the source of getFirstdayOfMonth(String year, String month)
public static String getFirstdayOfMonth(String year, String month)
//package com.java2s; /*//from w ww . j a v a2 s .c o m * * 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 * */ public class Main { public static String getFirstdayOfMonth(String year, String month) { return year + month + "01"; } }