Here you can find the source of bytes(final int... ints)
public static byte[] bytes(final int... ints)
//package com.java2s; /**//from w w w.j a va 2 s . c o m * Copyright 2010 Molindo GmbH * * 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[] bytes(final int... ints) { byte[] b = new byte[ints.length * 4]; for (int i = 0; i < ints.length; i++) { int offset = i * 4; b[offset] = (byte) (ints[i] >> 24); b[offset + 1] = (byte) (ints[i] >> 16); b[offset + 2] = (byte) (ints[i] >> 8); b[offset + 3] = (byte) (ints[i]); } return b; } }