Here you can find the source of readTextFile(String text_file_name)
public static String readTextFile(String text_file_name) throws Exception
//package com.java2s; /**//w ww . j a va 2 s . co m * Copyright (C) 2014 * keybits@gmx.de * * 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 3 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, see https://www.gnu.org/licenses/gpl-3.0.txt. * */ import java.io.BufferedReader; import java.io.File; import java.io.FileReader; public class Main { public static String readTextFile(String text_file_name) throws Exception { BufferedReader br = new BufferedReader(new FileReader(new File( text_file_name))); StringBuffer buffer = new StringBuffer(); String line = ""; while ((line = br.readLine()) != null) buffer.append(line + "\n"); br.close(); return buffer.toString(); } }