“＝＞”是什麼東東？

 

1. //"=>"
2.             string[] words = { "cherry", "apple", "blueberry" };
3.             //w爲words中的每個元素，w.Length()爲該元素的長度，下列代碼找出words數組中最短元素的長度
4.             int shortestWord = words.Min(w => w.Length);
5.             Console.WriteLine(shortestWord.ToString());
6.             string[] digits = { "zero", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine" };
7.             //digit爲digits中的每個元素，index爲該元素在digits數組中的位置（即：下標值）
8.             //下列代碼找出digits數組中元素在digits數組中的位置小於該元素的長度的所有元素
9.             var shortDigits = digits.Where((digit,index) => digit.Length < index);
10.             string[] str = shortDigits.ToArray<string>();
11.             foreach (string s in str)
12.             {
13.                 Console.WriteLine(s);
14.             }
15.             //這樣我們就可以用一個List<string[]>來創建Xmltree了
16.             string[] xmlTreeValues = new string[] {"sky","134567890","XueFu","DaLian","LiaoNing","100623" };
17.             List<string[]> valueList = new List<string[]>();
18.             valueList.Add(xmlTreeValues);
19.             XElement newContacts =
20.                 new XElement("Contacts",
21.                     valueList.Select(values =>
22.                         new XElement("Contact",
23.                             new XElement("Name", values[0]),
24.                             new XElement("Phone", values[1]),
25.                             new XElement("Address",
26.                                 new XElement("Street1", values[2]),
27.                                 new XElement("City", values[3]),
28.                                 new XElement("State", values[4]),
29.                                 new XElement("Postal", values[5])
30.                             )
31.                         )
32.                     )
33.                 );
34.             Console.WriteLine(newContacts);