Java tutorial
//package com.java2s; /* * Copyright (c) 2007, Lan Boon Ping. 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.io.File; public class Main { public final static String CHRONOS_DIR_NAME = ".chronos"; public static File getChronosDir() { String chronosHome = getUserHomeDir() + File.separator + CHRONOS_DIR_NAME; File file = new File(chronosHome); if (!file.exists() || !file.isDirectory()) { file.mkdir(); } return file; } public static String getUserHomeDir() { return System.getProperties().getProperty("user.home"); } }