C#中关于List<T>的并集与交集以及差集解析

List<int> ls1 = new List<int>() { 1,2,3,5,7,9 };

List<int> ls2 = new List<int>() { 2,4,6,8,9,10};

IEnumerable<int> intersectLs = ls1.Intersect(ls2);foreach (int item in intersectLs)

{

    Console.Write("{0}\t",item);

}

List<int> ls1 = new List<int>() { 1,2,3,5,7,9 };

List<int> ls2 = new List<int>() { 2,4,6,8,9,10};

IEnumerable<int> exceptLs = ls1.Except(ls2);foreach (int item in exceptLs)

{

    Console.Write("{0}\t", item);

}