Here you can find the source of loadProperties(File file)
public static Map<String, String> loadProperties(File file) throws IOException
//package com.java2s; /*// ww w . j a va2 s .c o m * 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; import java.io.FileInputStream; import java.io.IOException; import java.io.InputStream; import java.util.Map; import java.util.Properties; import static com.google.common.collect.Maps.fromProperties; public class Main { public static Map<String, String> loadProperties(File file) throws IOException { Properties properties = new Properties(); try (InputStream in = new FileInputStream(file)) { properties.load(in); } return fromProperties(properties); } }