Java Bit String From toBitMask(int numBits)

Description

to Bit Mask

License

Apache License

Declaration

private static int toBitMask(int numBits) 

Method Source Code

//package com.java2s;
/***********************************************************************************************************************
 * Copyright (C) 2014 by Sebastian Kruse
 *
 * 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.
 **********************************************************************************************************************/

public class Main {
    private static int toBitMask(int numBits) {
        return twoToThePowerOf(numBits) - 1;
    }//w  w w.j  a v a 2s  .  c o m

    private static int twoToThePowerOf(int x) {
        return 1 << x;
    }
}

Related

1. toBit(boolean f)
2. toBit(byte value, int index)
3. toBits(final byte b)
4. toBits(int b)
5. toBits(int b)
6. toBits(long value, int length)