Here you can find the source of getWeekDay(Date dt, int weekDay)
public static Date getWeekDay(Date dt, int weekDay)
//package com.java2s; /*/*from w w w . j ava 2 s .com*/ * Copyright (c) 2015 Power Group. * 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.*; public class Main { public static Date getWeekDay(Date dt, int weekDay) { Calendar cal = new GregorianCalendar(); cal.setTime(dt); if (weekDay == 7) { weekDay = 1; } else { weekDay++; } cal.set(GregorianCalendar.DAY_OF_WEEK, weekDay); return cal.getTime(); } }