Here you can find the source of addTimeIntervals(Date date, int type, int num)
private static Date addTimeIntervals(Date date, int type, int num)
//package com.java2s; /*/*from w ww . j a v a 2 s. c o m*/ * Copyright (c) 1999-2002 Erry Network Technology, Inc. All Rights Reserved. * * This software is the confidential and proprietary information of Erry * Network Technology, Inc. ("Confidential Information"). You shall not * disclose such Confidential Information and shall use it only in * accordance with the terms of the license agreement you entered into * with Erry. * * ERRY MAKES NO REPRESENTATIONS OR WARRANTIES ABOUT THE SUITABILITY OF THE * SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE * IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR * PURPOSE, OR NON-INFRINGEMENT. ERRY SHALL NOT BE LIABLE FOR ANY DAMAGES * SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR DISTRIBUTING * THIS SOFTWARE OR ITS DERIVATIVES. * * $Archive: /src/work/com/erry/its/model/tools/DateUtil.java $ $Revision: 1.2 $ */ import java.util.Calendar; import java.util.Date; public class Main { private static Date addTimeIntervals(Date date, int type, int num) { if (date == null) throw new IllegalArgumentException(); Calendar c = Calendar.getInstance(); c.setTime(date); c.add(type, num); return c.getTime(); } }