Here you can find the source of adjustToDayOfMonth(Date dt, int day)
public static Date adjustToDayOfMonth(Date dt, int day)
//package com.java2s; /*// w w w .java2s. c o m * ? Copyright Tek Counsel LLC 2013 * * 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. */ import java.util.Calendar; import java.util.Date; public class Main { public static Date adjustToDayOfMonth(Date dt, int day) { Calendar cal = Calendar.getInstance(); Date newDate = new Date(dt.getTime()); cal.setTime(newDate); cal.set(Calendar.DAY_OF_MONTH, day); return resetTime(cal.getTime()); } public static Date resetTime(Date dt) { Calendar cal = Calendar.getInstance(); cal.setTime(dt); cal.set(Calendar.HOUR, 0); cal.set(Calendar.MINUTE, 0); cal.set(Calendar.SECOND, 0); cal.set(Calendar.MILLISECOND, 0); cal.set(Calendar.AM_PM, Calendar.AM); return cal.getTime(); } }