Here you can find the source of toInt(BitSet bitSet)
public static int toInt(BitSet bitSet)
//package com.java2s; /*/*from w ww . j ava2 s .com*/ * Copyright 2010-2013 JetBrains s.r.o. * * 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. */ import java.util.BitSet; public class Main { public static int toInt(BitSet bitSet) { int intValue = 0; for (int bit = 0; bit < bitSet.length(); bit++) { if (bitSet.get(bit)) { intValue |= (1 << bit); } } return intValue; } }