Here you can find the source of flipAllBitsInPlace(byte[] bytes)
public static byte[] flipAllBitsInPlace(byte[] bytes)
//package com.java2s; /**//from w ww . ja v a 2 s .c o m * Copyright 2015 Palantir Technologies * * Licensed under the BSD-3 License (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://opensource.org/licenses/BSD-3-Clause * * 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 { /** * This flips the bits and returns the same byte[]. * @return bytes */ public static byte[] flipAllBitsInPlace(byte[] bytes) { return flipAllBitsInPlace(bytes, 0, bytes.length); } /** * This flips the bits starting at index and returns the same byte[]. * @return bytes */ public static byte[] flipAllBitsInPlace(byte[] bytes, int index) { return flipAllBitsInPlace(bytes, index, bytes.length - index); } /** * This flips the bits in the range [index, index + length) and returns the same byte[]. * @return bytes */ public static byte[] flipAllBitsInPlace(byte[] bytes, int index, int length) { int endIndex = Math.min(bytes.length, index + length); for (int i = index; i < endIndex; i++) { bytes[i] = (byte) (bytes[i] ^ 0xff); } return bytes; } }