Java tutorial
//package com.java2s; /* ** DroidPlugin Project ** ** Copyright(c) 2015 Andy Zhang <zhangyong232@gmail.com> ** ** This file is part of DroidPlugin. ** ** DroidPlugin is free software: you can redistribute it and/or ** modify it under the terms of the GNU Lesser General Public ** License as published by the Free Software Foundation, either ** version 3 of the License, or (at your option) any later version. ** ** DroidPlugin 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 ** Lesser General Public License for more details. ** ** You should have received a copy of the GNU Lesser General Public ** License along with DroidPlugin. If not, see <http://www.gnu.org/licenses/lgpl.txt> ** **/ import java.io.ByteArrayOutputStream; import java.io.File; import java.io.FileInputStream; import java.io.IOException; public class Main { public static byte[] readFromFile(File file) throws IOException { FileInputStream fin = null; try { ByteArrayOutputStream out = new ByteArrayOutputStream(); fin = new FileInputStream(file); byte[] buffer = new byte[8192]; int read = 0; while ((read = fin.read(buffer)) != -1) { out.write(buffer, 0, read); } byte[] data = out.toByteArray(); out.close(); return data; } finally { if (fin != null) { try { fin.close(); } catch (IOException e) { } } } } }