Here you can find the source of printBitLong(long A)
public static void printBitLong(long A)
//package com.java2s; /**//from ww w . ja va 2 s .co m * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with this * work for additional information regarding copyright ownership. The ASF * licenses this file to You 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 void printBitLong(long A) { System.out.println(toPadString(A)); } public static String toPadString(long A) { String str = Long.toBinaryString(A); StringBuilder builder = new StringBuilder(64); for (int i = 0, n = 64 - str.length(); i < n; i++) { builder.append("0"); } builder.append(str); return builder.toString(); } }