Java Long to Byte Array longToBytes(long v, byte[] bytes)

Description

long To Bytes

License

Apache License

Declaration

public static void longToBytes(long v, byte[] bytes) 

Method Source Code

//package com.java2s;
/*//from  www . java2  s.c  o m
 * Copyright [2012-2015] PayPal Software Foundation
 *
 * 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 {
    public static void longToBytes(long v, byte[] bytes) {
        longToBytes(v, bytes, 0);
    }

    public static void longToBytes(long v, byte[] bytes, int offset) {
        long tmp = v;
        for (int i = 0; i < 8; i++) {
            bytes[offset + 7 - i] = (byte) (tmp & 0xFF);
            tmp >>= 8;
        }
    }

    public static byte[] longToBytes(long v) {
        long tmp = v;
        byte[] b = new byte[8];
        for (int i = 0; i < 8; i++) {
            b[7 - i] = (byte) (tmp & 0xFF);
            tmp >>= 8;
        }
        return b;
    }
}

Related

1. longToBytes(long num, byte[] data, int index)
2. longToBytes(long number)
3. longToBytes(long v)
4. longToBytes(long v)
5. longToBytes(long v, byte[] b)
6. longToBytes(long v, final byte[] arr)
7. longToBytes(long val)
8. longToBytes(long val)
9. longToBytes(long value)