get the value of a specific bit of a byte - Java java.lang

Java examples for java.lang:byte Array Bit Operation

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Description

get the value of a specific bit of a byte

Demo Code

/*******************************************************************************
 * Copyright 2015 SPECURE GmbH// w  ww.j a  v a 2 s  .co  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.
 *******************************************************************************/
//package com.java2s;

public class Main {
    public static void main(String[] argv) throws Exception {
        byte b = 2;
        int bit = 2;
        System.out.println(getBit(b, bit));
    }

    /**
     * get the value of a specific bit of a byte
     * @param b the byte
     * @param bit the bit number
     * @return
     */
    public static boolean getBit(byte b, int bit) {
        return (b >> bit) == 1;
    }
}

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