Java tutorial
//package com.java2s; import java.io.BufferedOutputStream; import java.io.File; import java.io.FileOutputStream; import java.io.IOException; public class Main { public static void saveFile(File f, byte[] content) throws IOException { FileOutputStream fos = new FileOutputStream(f); try { BufferedOutputStream bos = new BufferedOutputStream(fos); bos.write(content); bos.flush(); } finally { fos.close(); } } }