designPattern/DesignPattern/Facade/Subsystems/PrintSystem.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Facade.Subsystems
{
	class PrintSystem
	{
		public byte[] Print(byte[] data)
		{
			Console.WriteLine(String.Concat(data.Select(b => string.Format("[{0}]", b.ToString("X2")))));
			

			return data;
		}
	}
}