Sets bit at index in bits to zero. - Java Language Basics

Java examples for Language Basics:Bit

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Description

Sets bit at index in bits to zero.

Demo Code

/*******************************************************************************
 *   Copyright 2014 Analog Devices, Inc.
 *
 *   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./*from   ww  w  .  java  2 s.  co  m*/
 ********************************************************************************/
//package com.java2s;

public class Main {
    public static void main(String[] argv) throws Exception {
        int bits = 2;
        int index = 2;
        System.out.println(clearBit(bits, index));
    }

    /**
     * Sets bit at {@code index} in {@code bits} to zero.
     * 
     * @param bits
     * @param index must be in the range [0,31] identifies which bit to clear.
     * @since 0.05
     */
    public static int clearBit(int bits, int index) {
        return bits & ~(1 << index);
    }

    /**
     * Sets bit at {@code index} in {@code bits} to zero.
     * 
     * @param bits
     * @param index must be in the range [0,63] identifies which bit to clear.
     * @since 0.05
     */
    public static long clearBit(long bits, int index) {
        return bits & ~(1L << index);
    }
}

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