LINQ C# Book

public void Linq48()
{
int[] numbersA = { 0, 2, 4, 5, 6, 8, 9 };
int[] numbersB = { 1, 3, 5, 7, 8 };

var uniqueNumbers = numbersA.Union(numbersB);

Console.WriteLine("Unique numbers from both arrays:");
foreach (var n in uniqueNumbers)
{
Console.WriteLine(n);
}
}
Result

Unique numbers from both arrays:
0
2
4
5
6
8
9
1
3
7