Java Integer Create toInteger(byte[] b)

Description

Converts the bytes in an array into the corresponding integer value.

License

Open Source License

Parameter

Parameter	Description
b	The array with the bytes to convert

Return

The integer value of the bytes.

Declaration

public final static int toInteger(byte[] b) 

Method Source Code

//package com.java2s;
/*//from  w  w  w  .  j a  va2  s .  c  om
 * Copyright (C) 2014 Russell Smith.
 *
 * 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 3.0 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 Street, Fifth Floor, Boston,
 * MA 02110-1301  USA
 */

public class Main {
    /**
     * Converts the bytes in an array into the corresponding integer value.  The 
     * bytes need to be in the network byte order.
     * 
     * @param b The array with the bytes to convert
     * @return The integer value of the bytes.
     */
    public final static int toInteger(byte[] b) {
        return toInteger(b, 0);
    }

    /**
     * Converts the bytes in an array into the corresponding integer value.  The 
     * bytes need to be in the network byte order.
     * 
     * @param b The array with the bytes to convert
     * @param offset The offset into the array for the bytes to convert.
     * @return The integer value of the bytes.
     */
    public final static int toInteger(final byte[] b, final int offset) {
        int result;

        result = b[offset];
        result |= (int) (b[offset + 1]) << 8;
        result |= (int) (b[offset + 2]) << 16;
        result |= (int) (b[offset + 3]) << 24;

        return result;
    }
}

Related

1. toInteger(boolean b)
2. toInteger(boolean bool)
3. toInteger(boolean bool)
4. toInteger(boolean bool)
5. toInteger(byte b1, byte b2, byte b3, byte b4)
6. toInteger(byte[] b)
7. toInteger(byte[] bytes)
8. toInteger(byte[] bytes)
9. toInteger(byte[] bytes, int index)