Java Array Copy copy(byte[] data, int from)

Description

Copy bytes.

License

Apache License

Parameter

Parameter	Description
data	Value
from	From index.

Return

Result.

Declaration

public static byte[] copy(byte[] data, int from) 

Method Source Code

//package com.java2s;
/*******************************************************************************
 * Copyright 2017 UIA//from w  ww.j a va 2  s .c  om
 *
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements. See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.
 *******************************************************************************/

import java.util.Arrays;

public class Main {
    /**
     * Copy bytes.
     * @param data Value
     * @param from From index.
     * @return Result.
     */
    public static byte[] copy(byte[] data, int from) {
        return copy(data, from, data.length - from, (byte) 0x00);
    }

    /**
     * Copy bytes.
     * @param data Value
     * @param from From index.
     * @param length Byte count.
     * @return Result.
     */
    public static byte[] copy(byte[] data, int from, int length) {
        return copy(data, from, length, (byte) 0x00);
    }

    /**
     * Copy bytes.
     * @param data Value
     * @param from From index.
     * @param length Byte count.
     * @param empty Empty byte.
     * @return Result.
     */
    public static byte[] copy(byte[] data, int from, int length, byte empty) {
        byte[] result = new byte[length];
        Arrays.fill(result, empty);
        int len = Math.min(length, data.length - from);
        for (int i = 0; i < len; i++) {
            result[i] = data[from + i];
        }
        return result;
    }
}

Related

1. arraycopyAndInsertInt(final int[] src, final int idx, final int value)
2. arrayCopyToNull(T[] source, int sourceOffset, T[] destination, int destinationOffset)
3. arrayCopyWithRemoval(Object[] src, Object[] dst, int idxToRemove)
4. Arrays_copyOf(int[] pos, int length)
5. copy(byte[] bytes)
6. copy(double[][] a)
7. copy(final boolean[] array)
8. copy(final byte[] bytes)
9. copy(final byte[] inBytes)