Here you can find the source of readAllLines(String filepath)
private static List<String> readAllLines(String filepath) throws IOException
//package com.java2s; /*/*from ww w.j a v a 2 s.c o m*/ * Copyright 2012-2015 Aerospike, Inc. * * Portions may be licensed to Aerospike, Inc. under one or more contributor * license agreements WHICH ARE COMPATIBLE WITH THE APACHE LICENSE, VERSION 2.0. * * 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.BufferedReader; import java.io.File; import java.io.FileReader; import java.io.IOException; import java.util.ArrayList; import java.util.List; public class Main { private static List<String> readAllLines(String filepath) throws IOException { List<String> fileContent = new ArrayList<String>(); File file = new File(filepath); BufferedReader input = new BufferedReader(new FileReader(file)); try { String line = null; while ((line = input.readLine()) != null) { fileContent.add(line); } } finally { if (input != null) input.close(); } return fileContent; } }