Here you can find the source of previousDay(Date date)
public static Date previousDay(Date date)
//package com.java2s; /*//from w w w. j a va2 s.co m * Copyright 2014 C.T.Co SIA, Brivibas street 48/50, Riga, Latvia. All rights reserved. * * 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 previousDay(Date date) { Calendar cal = Calendar.getInstance(); cal.setTime(date); cal.add(Calendar.DAY_OF_MONTH, -1); return cal.getTime(); } }