Java tutorial
//package com.java2s; /** * Copyright 2016 JustWayward Team * <p> * 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 * <p> * http://www.apache.org/licenses/LICENSE-2.0 * <p> * 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 { private static int LOG_SAVE_DAYS = 7; private static Date getDateBefore() { Date nowtime = new Date(); Calendar now = Calendar.getInstance(); now.setTime(nowtime); now.set(Calendar.DATE, now.get(Calendar.DATE) - LOG_SAVE_DAYS); return now.getTime(); } }