Here you can find the source of readTextFile(String fileName)
public static String readTextFile(String fileName) throws Exception
//package com.java2s; /*/*from www . jav a 2s .c o m*/ * Copyright 2009-2014 DigitalGlobe, Inc. * * 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.*; public class Main { public static String readTextFile(String fileName) throws Exception { BufferedReader in = new BufferedReader(new FileReader(fileName)); String output = ""; String str = null; String sep = System.getProperty("line.separator"); while ((str = in.readLine()) != null) { output += str + sep; } in.close(); return output; } }