Here you can find the source of toPrimitiveArray(Byte[] bytes)
public static byte[] toPrimitiveArray(Byte[] bytes)
//package com.java2s; /*// w w w . j a v a 2 s . c om * Copyright 2015 Evgeny Dolganov (evgenij.dolganov@gmail.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. */ public class Main { public static byte[] toPrimitiveArray(Byte[] bytes) { byte[] out = new byte[bytes.length]; for (int i = 0; i < bytes.length; i++) { out[i] = bytes[i]; } return out; } }