Here you can find the source of bitLength(byte[] bytes)
public static int bitLength(byte[] bytes)
//package com.java2s; /*//from w w w . j av a 2 s .c o m * Copyright 2012-2016 Brian Campbell * * 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 int bitLength(byte[] bytes) { return bitLength(bytes.length); } public static int bitLength(int byteLength) { return byteLength * 8; } }