using System;
using System.Linq;
class Program
{
static void Main() {
int[] arr1 = { 1, 2, 3, 4 };
int[] arr2 = { 5, 6, 7, 8 };
int[] merge = arr1.Concat(arr2).ToArray();
foreach (var n in merge) {
Console.WriteLine(n);
}
}
}
/*
run:
1
2
3
4
5
6
7
8
*/