Here you can find the source of readFile(File f)
private static String readFile(File f) throws IOException
//package com.java2s; /**//from www.j a v a 2s . co m * Copyright (C) 2009 Progress Software, Inc. All rights reserved. * http://fusesource.com * * 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.ByteArrayOutputStream; import java.io.File; import java.io.FileReader; import java.io.IOException; public class Main { private static String readFile(File f) throws IOException { BufferedReader br = new BufferedReader(new FileReader(f)); ByteArrayOutputStream baos = new ByteArrayOutputStream(4096); int b = -1; while ((b = br.read()) != -1) { baos.write(b); } baos.close(); return new String(baos.toByteArray()); } }