Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
//License from project: Open Source License 

import java.lang.reflect.Array;

public class Main {
    public static <T> T[] concat(T[] first, T[]... rest) {
        int totalLength = first.length;
        for (T[] arr : rest) {
            totalLength += arr.length;
        }

        T[] result = (T[]) Array.newInstance(first.getClass(), totalLength);
        System.arraycopy(first, 0, result, 0, first.length);
        int pos = first.length;

        for (T[] arr : rest) {
            System.arraycopy(arr, 0, result, pos, arr.length);
            pos += arr.length;
        }

        return result;
    }

    public static byte[] concat(byte[] first, byte[]... rest) {
        int totalLength = first.length;
        for (byte[] arr : rest) {
            totalLength += arr.length;
        }

        byte[] result = new byte[totalLength];
        System.arraycopy(first, 0, result, 0, first.length);
        int pos = first.length;

        for (byte[] arr : rest) {
            System.arraycopy(arr, 0, result, pos, arr.length);
            pos += arr.length;
        }

        return result;
    }
}