var list1 = new List<int> { 1, 3, 5, 7, 9, 11, 13, 15 }; var list2 = new List<int> { 1, 2, 3, 4, 5, 6, 7, 8, 9 }; // List1:1 3 5 7 9 11 13 15 Console.WriteLine("List1:" + string.Join(" ", list1)); // List2:1 2 3 4 5 6 7 8 9 Console.WriteLine("List2:" + string.Join(" ", list2));
// 差集-List1有List2無:11 13 15 Console.WriteLine("差集-List1有List2無:" + string.Join(" ", list1.Except(list2)));
// 交集-List1有List2有:1 3 5 7 9 Console.WriteLine("交集-List1有List2有:" + string.Join(" ", list1.Intersect(list2)));
// 並集-包含List1和List2:1 3 5 7 9 11 13 15 2 4 6 8 Console.WriteLine("並集-包含List1和List2:" + string.Join(" ", list1.Union(list2))); Console.ReadLine();