Linq Set Operator (Distinct,Intersect,Union,Expect)

class SetOpreator
	{
		private static readonly int[] numbersA = { 0, 2, 4, 5, 6, 8, 9 };
		private static readonly int[] numbersB = { 1, 3, 5, 7, 8 };
		static void Main()
		{
			UseDistinct();
			UseUnion();
			UseIntersect();
			UseExpect();
		}
		static void UseDistinct()
		{
			int[] Nums = { 2, 3, 4, 6, 3, 5, 4 };
			var DistinctNums = Nums.Distinct();
			Console.WriteLine("Use distinct to remove duplicate elements");
			foreach (var num in DistinctNums)
			{
				Console.WriteLine("{0}", num);
			}
		}
		static void UseUnion()
		{
			var UnionElements = numbersA.Union(numbersB);
			Console.WriteLine("Unique numbers from both array");
			foreach (var newNum in UnionElements)
			{
				Console.WriteLine("{0}", newNum);
			}
		}
		static void UseIntersect()
		{
			var UnionIntersect = numbersA.Intersect(numbersB);
			Console.WriteLine("Common numbers shared by both array");
			foreach (var newNum in UnionIntersect)
			{
				Console.WriteLine("{0}", newNum);
			}
		}
		static void UseExpect()
		{
			var expectNumber = numbersA.Except(numbersB);
			Console.WriteLine("Numbers in First array have but not seond array");
			foreach (var newNum in expectNumber)
			{
				Console.WriteLine("{0}", newNum);
			}
		}
	}