Java tutorial
//package com.java2s; import java.io.File; import java.io.FileInputStream; public class Main { public static byte[] getByteArray(File filePath, String name) { FileInputStream fileInputStream = null; File file = new File(filePath, name); byte[] bFile = new byte[(int) file.length()]; try { //convert file into array of bytes fileInputStream = new FileInputStream(file); fileInputStream.read(bFile); fileInputStream.close(); } catch (Exception e) { e.printStackTrace(); } return bFile; } }