Linq实现的简单查询的例子

//问题:1，查询出str中以@符号开头的
 //2，查询出Str中元素长度大于5的元素
 using System;
 using System.Linq;
 public class StudyLinq
 {
     public static void Main()
     {
         string[] str = {"abcd","apple","@symjie","banana","orange"};
         var s = str.Where(p=>p.StartsWith("@"));
         foreach (string a in s)
         {
             Console.WriteLine(a);
         }
         var c = str.Where(q=>q.Length>5);
         foreach (string b in c)
         {
             Console.WriteLine(b);
         }
     }
 }