Java BitSet cardinalityOf(BitSet bs)

Description

cardinality = "total number of set bits"

License

Open Source License

Parameter

Parameter	Description
bs	a parameter

Return

number of set bits

Declaration

public static int cardinalityOf(BitSet bs) 

Method Source Code

//package com.java2s;
/* $RCSfile$//w  ww  . j a v  a2 s .  co  m
 * $Author: egonw $
 * $Date: 2005-11-10 09:52:44 -0600 (Thu, 10 Nov 2005) $
 * $Revision: 4255 $
 *
 * Copyright (C) 2003-2005  The Jmol Development Team
 *
 * Contact: jmol-developers@lists.sf.net
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public
 *  License as published by the Free Software Foundation; either
 *  version 2.1 of the License, or (at your option) any later version.
 *
 *  This library 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
 *  Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this library; if not, write to the Free Software
 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 */

import java.util.BitSet;

public class Main {
    /**
     * cardinality = "total number of set bits"
     * @param bs
     * @return number of set bits
     */
    public static int cardinalityOf(BitSet bs) {
        return (bs == null ? 0 : bs.cardinality());
    }
}

Related

1. boolToBitSet(boolean[] bits, int offset, int length)
2. byte2BitSet(BitSet bmap, byte[] b, int bitOffset)
3. byteArray2BitSet(byte[] bytes)
4. bytes2bitset(byte[] bytes, byte nbyte, BitSet bits)
5. bytesToBits(byte[] b, BitSet ba, int maxSize)
6. check(BitSet originalMessage, int messageLength, BitSet polynomial, int polynomialLength)
7. checkValidCharOnly(BitSet validChars, String value)
8. clear(BitSet bitSet_)
9. combine(int length, BitSet... bitsets)