static void Main(string[] args)

{

int[] a = { , , , , , ,  };

int[] b = { , , , , , ,  };

int[] c = { , , , , , , , , , , ,  }; 

// 交集

var fuck = a.Intersect(b); 

// 并集

var shit = a.Union(b); 

// a有b没有的

var diff1 = a.Except(b); 

// b有a没有的

var diff2 = b.Except(a); 

var max = a.Max();

var min = a.Min();

var avg = a.Average();

var dis = c.Distinct(); 

Print(fuck);

Print(shit);

Print(diff1);

Print(diff2);

Console.WriteLine(max);

Console.WriteLine(min);

Console.WriteLine(avg);

Print(dis); 

Console.ReadKey();

} 

private static void Print(IEnumerable<int> list)

{

foreach (var item in list)

{

Console.Write(item + " ");

}

Console.WriteLine();

} 

        /// <summary>

        /// 使用lambda表达式排除/过滤/清空/删除掉字符串数组中的空字符串

        /// </summary>

        /// <param name="args"></param>

        static void Main(string[] args)

        {

            string[] strArray = { "","","","","",""};

            Console.WriteLine("输出带有空字符串的数组：");

            foreach (string str in strArray)

            {

                Console.WriteLine(str);

            }

            Console.WriteLine("-------------------------------------------");

            //使用lambda表达式过滤掉空字符串

            strArray = strArray.Where(s=>!string.IsNullOrEmpty(s)).ToArray();

            Console.WriteLine("输出过滤掉空字符串的数组：");

            foreach (string str in strArray)

            {

                Console.WriteLine(str);

            }

            Console.Read();

        }