Here you can find the source of readFile(String filePath)
public static String readFile(String filePath)
//package com.java2s; /**//from ww w . j a v a 2s . c o m The MIT License (MIT) * Copyright (c) 2015 ???? * 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. */ import java.io.BufferedReader; import java.io.File; import java.io.FileInputStream; import java.io.InputStreamReader; public class Main { public static String readFile(String filePath) { String fileContent = ""; try { File f = new File(filePath); if (f.isFile() && f.exists()) { InputStreamReader read = new InputStreamReader(new FileInputStream(f), "UTF-8"); BufferedReader reader = new BufferedReader(read); String line; while ((line = reader.readLine()) != null) { fileContent += line + "\n"; } reader.close(); read.close(); } } catch (Exception e) { e.printStackTrace(); } return fileContent; } }