Java BitSet Create bitsetFromIndices(int size, int... indices)

Description

Constructs a new BitSet of given size whose set bits are specified by indices .

License

Apache License

Exception

Parameter	Description
IndexOutOfBoundsException	if any index is negative or not less than size.
IllegalArgumentException	if any index is specified more than once.

Declaration

public static BitSet bitsetFromIndices(int size, int... indices) 

Method Source Code

//package com.java2s;
/*******************************************************************************
*   Copyright 2014 Analog Devices, Inc.//from  ww  w  . jav a2  s.  c  o m
*
*   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 {
    /**
     * Constructs a new {@link BitSet} of given {@code size} whose set bits are specified
     * by {@code indices}.
     * 
     * @throws IndexOutOfBoundsException if any index is negative or not less than {@code size}.
     * @throws IllegalArgumentException if any index is specified more than once.
     * @see #bitsetToIndices
     */
    public static BitSet bitsetFromIndices(int size, int... indices) {
        final BitSet bitset = new BitSet(size);

        for (int index : indices) {
            if (index < 0 || index >= size) {
                throw new IndexOutOfBoundsException(
                        String.format("Index %d out of range [0, %d]", index, size - 1));
            }

            if (bitset.get(index)) {
                throw new IllegalArgumentException(String.format("Duplicate index %d", index));
            }

            bitset.set(index);
        }

        return bitset;
    }
}

Related

1. bitSet(byte[] bytes)
2. bitSet(byte[] bytes)
3. bitSet(String string)
4. bitSetFrom(long number)
5. bitsetFromString(String pixelsString)
6. bitSetOf(long lowerBits, long upperBits)
7. bitSetOf(String inString)
8. bitSetOfIndexes(int... indexes)