Memory Sample1

Program.cs

class Program
{
	static void Main(string[] args)
	{
		LongStringConcatWithStringBuilder();
		//LongStringConcat();

		var bytes = GC.GetTotalMemory(false); // for getting memory used by GC
		Console.WriteLine("Bytes consumed: {0}", bytes);
	}

	static void LongStringConcat()
	{
		var longString = DateTime.Now.ToLongDateString() + Guid.NewGuid();

		for (var i = 0; i < 100; i++)
			longString += "\r\n" + DateTime.Now.ToLongDateString() + Guid.NewGuid();
	}

	static void LongStringConcatWithStringBuilder()
	{
		var sb = new StringBuilder(DateTime.Now.ToLongDateString() + Guid.NewGuid());
		for (var i = 0; i < 100; i++)
			sb.AppendLine(DateTime.Now.ToLongDateString() + Guid.NewGuid());
		var longString = sb.ToString(); // this is unnecessary but you eventually need to call it
	}
}