Here you can find the source of readFile(String fileName)
public static List<String> readFile(String fileName) throws IOException
//package com.java2s; /**/* w w w. j a v a 2s. co m*/ * @Package: io.cslinmiso.line.model * @FileName: Utility.java * @author: treylin * @date: 2016/03/28, ???? 12:14:20 * * <pre> * The MIT License (MIT) * * Copyright (c) 2016 Trey Lin * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in all * copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. * </pre> */ import java.io.BufferedReader; import java.io.FileInputStream; import java.io.IOException; import java.io.InputStreamReader; import java.util.ArrayList; import java.util.List; public class Main { public static List<String> readFile(String fileName) throws IOException { List<String> rst = new ArrayList<String>(); BufferedReader br = null; try { br = new BufferedReader(new InputStreamReader(new FileInputStream(fileName), "UTF-8")); String in = null; while ((in = br.readLine()) != null) { rst.add(in); } } catch (IOException ioe) { throw ioe; } finally { br.close(); } return rst; } }