Here you can find the source of bitSetOf(String inString)
private static BitSet bitSetOf(String inString)
//package com.java2s; /**//from w w w .j av a 2s. com * 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. */ import java.util.BitSet; public class Main { private static BitSet bitSetOf(String inString) { BitSet bitSet = new BitSet(); int i = 0; for (byte b : inString.getBytes()) { if (b == '1') { bitSet.set(i); } i += 1; } return bitSet; } }