Here you can find the source of loadProperties()
private static Properties loadProperties() throws IOException
//package com.java2s; /*//w w w . jav a 2 s .c o m Audio fingerprinting utility Copyright (C) 2007 Juha Heljoranta This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ import java.io.FileReader; import java.io.IOException; import java.util.Properties; public class Main { private static final String _CONF_FILE = "fpff.properties"; private static Properties loadProperties() throws IOException { String configFile = System.getProperty(_CONF_FILE) == null ? _CONF_FILE : System.getProperty(_CONF_FILE); Properties p = new Properties(); p.load(new FileReader(configFile)); return p; } }