Main.java Source code

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Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Copyright 2016 The Coinblesk team and the CSG Group at University of Zurich
 *
 * 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 byte[] concatBytes(byte[]... byteArrays) {
        int totalLength = 0;
        for (byte[] byteArray : byteArrays) {
            if (byteArray != null) {
                totalLength += byteArray.length;
            }
        }

        final byte[] concatBuffer = new byte[totalLength];
        int copyCounter = 0;
        for (byte[] byteArray : byteArrays) {
            if (byteArray != null) {
                System.arraycopy(byteArray, 0, concatBuffer, copyCounter, byteArray.length);
                copyCounter += byteArray.length;
            }
        }
        return concatBuffer;
    }
}