Here you can find the source of getRandomStr()
public static String getRandomStr()
//package com.java2s; /**// ww w . ja v a 2s. co m * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. * * Copyright (c) 2008 Sun Microsystems, Inc. All Rights Reserved. * * The contents of this file are subject to the terms * of the Common Development and Distribution License * (the License). You may not use this file except in * compliance with the License. * * You can obtain a copy of the License at * https://opensso.dev.java.net/public/CDDLv1.0.html or * opensso/legal/CDDLv1.0.txt * See the License for the specific language governing * permission and limitations under the License. * * When distributing Covered Code, include this CDDL * Header Notice in each file and include the License file * at opensso/legal/CDDLv1.0.txt. * If applicable, add the following below the CDDL Header, * with the fields enclosed by brackets [] replaced by * your own identifying information: * "Portions Copyrighted [year] [name of copyright owner]" * * $Id: AMTuneUtil.java,v 1.14 2009-05-04 23:34:10 ykwon Exp $ */ import java.text.DateFormat; import java.text.SimpleDateFormat; import java.util.Date; public class Main { /** * Returns random string. * * @return Random String. */ public static String getRandomStr() { String DATE_FORMAT = "yyyy-MM-dd-HH-mm-ss"; DateFormat df = new SimpleDateFormat(DATE_FORMAT); String rand = df.format(new Date(System.currentTimeMillis())); return rand; } }