Here you can find the source of byteToBinaryString(byte i)
public static String byteToBinaryString(byte i)
//package com.java2s; /*/*from w ww . j a v a2 s . c om*/ * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ public class Main { public static String byteToBinaryString(byte i) { StringBuilder result = new StringBuilder(); result.append(getBit(i, 8)); result.append(getBit(i, 7)); result.append(getBit(i, 6)); result.append(getBit(i, 5)); result.append(" "); result.append(getBit(i, 4)); result.append(getBit(i, 3)); result.append(getBit(i, 2)); result.append(getBit(i, 1)); return result.toString(); } public static int getBit(int i, int bit) { return ((i >>> (bit - 1)) & 0x01) == 0x01 ? 1 : 0; } }