Merge Two Arrays

class ArrayMerge
{
    static void Main(string[] args)
    {
        // ::: Declare two integer arrays with five elements each
        int[] array1 =
        {
            1,
            2,
            3,
            4,
            5
        };
        int[] array2 =
        {
            6,
            7,
            8,
            9,
            10
        };
        int[] array3 = new int[array1.Length + array2.Length];
        Console.WriteLine(array3.Length);
        for (int j = 0, i = 0; i < array3.Length; i++)
        {
            if (i < array1.Length)
            {
                array3[i] = array1[i];
            }
            if (i == array1.Length || i > array1.Length)
            {
                array3[i] = array2[j];
                j++;
            }
        }
        foreach(int element in array3)
        {
            Console.WriteLine(element);
        }
    }
}