核心代码:
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using System; using System.Collections.Generic; using System.IO; using System.Linq; using System.Text; using System.Threading.Tasks; namespace ConsoleApplication10 { class Program { static void Main( string [] args) { List< int > list = new List< int >(); list.Add(1); //插入单个元素 list.AddRange( new int [] { 1, 2, 3, 4 }); //插入一个集合 //集合转为数组 int [] nums = list.ToArray(); foreach (var item in nums) { Console.WriteLine(item); } Console.WriteLine(); //数组转为集合 int [] nums2 = new int [] { 22,33,44}; List< int > newList = nums2.ToList(); foreach (var item in newList) { Console.WriteLine(item); } Console.ReadKey(); } } } |
效果图: