Here you can find the source of writeFile(File file, byte[] b)
public static void writeFile(File file, byte[] b) throws IOException
//package com.java2s; /*//from ww w .j a va2s . c om * Copyright 2006-2015 WebPKI.org (http://webpki.org). * * 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.IOException; import java.io.File; import java.io.FileOutputStream; public class Main { public static void writeFile(File file, byte[] b) throws IOException { FileOutputStream fos = new FileOutputStream(file); fos.write(b); fos.close(); } public static void writeFile(String filename, byte[] b) throws IOException { writeFile(new File(filename), b); } }