1 using System; 2 using System.Collections.Generic; 3 using System.Linq; 4 using System.Text; 5 6 namespace LambdaSample 7 { 8 class Program 9 { 10 static void Main(string[] args) 11 { 12 int[] myIntArray = { 1,2, 3, 4, 5 }; 13 //累加器計算數組總和 14 int result = myIntArray.Aggregate((paramA, paramB) => paramA + paramB); 15 int result1 = myIntArray.Aggregate<int>((paramA, paramB) => paramA + paramB); 16 int result2 = myIntArray.Aggregate<int, int>(0, (paramA, paramB) => paramA + paramB); 17 //遞歸計算數組總和 18 int result3 = count(5); 19 Console.WriteLine("The Result is: " + result); 20 Console.WriteLine("The Result1 is: " + result1); 21 Console.WriteLine("The Result2 is: " + result2); 22 Console.WriteLine("The Result3 is: " + result3); 23 24 string[] myStrArray = { "Admin", "Change", "ByPage" }; 25 //字符串數組拼接 何問起 26 string strResult = myStrArray.Aggregate((paramA, paramB) => paramA + " " + paramB); 27 //字符串數組字符串總長度計算 28 int result4 = myStrArray.Aggregate<string, int>(0, (a, b) => a + b.Length); 29 //字符串數組拼接2,增加字符串"Some curries: " 30 string strResult1 = myStrArray.Aggregate<string, string>("Some curries: ", (a, b) => a + " " + b); 31 //字符串數組字符串總長度計算2 hovertree.com 32 int result5 = myStrArray.Aggregate<string, string, int>("Some curries: ", (a, b) => a + " " + b, a => a.Length); 33 Console.WriteLine("The StrResult is: " + strResult); 34 Console.WriteLine("The Result4 is: " + result4); 35 Console.WriteLine(strResult1); 36 Console.WriteLine("The Result5 is: " + result5); 37 Console.ReadKey(); 38 } 39 40 static int count(int n) 41 { 42 if (n == 1) 43 { 44 return 1; 45 } 46 return n + count(n - 1); 47 } 48 } 49 }
轉自:http://hovertree.com/h/bjaf/jf9yeju1.htm
參考:C# Lambda 實例代碼 深入淺出Lambda表達式 C#泛型詳細介紹
開發技術文章收集: http://www.cnblogs.com/sosoft/p/kaifajishu.html