TXT的專欄

 1 using System;
 2 using System.Collections.Generic;
 3 
 4 namespace ListSort
 5 {
 6     class Program
 7     {
 8         static void Main(string[] args)
 9         {
10             List<int> intList = new List<int>();
11             intList.AddRange(new[] {9, 23, 2, 1, 2, 3});
12             Console.WriteLine("List<int>");
13             foreach (int i in intList)
14             {
15                 Console.Write(i.ToString()+" ");
16             }
17             Console.WriteLine("\nUse List.sort");
18             intList.Sort();
19             foreach (int i in intList)
20             {
21                 Console.Write(i.ToString() + " ");
22             }
23 
24             Console.WriteLine("\n\nList<People>:");
25             List<People> peopleList = new List<People>
26                                           {
27                                               new People() {Name = "people1", Age = 23},
28                                               new People() {Name = "people2", Age = 21},
29                                               new People() {Name = "people3", Age = 33},
30                                               new People() {Name = "people4", Age = 20},
31                                               new People() {Name = "people4", Age = 22}
32                                           };
33 
34             foreach (People people in peopleList)
35             {
36                 Console.WriteLine(people.ToString());
37             }
38             Console.WriteLine("\nUse List<People>.Sort:");
39             peopleList.Sort(new PeopleSort());
40             foreach (People people in peopleList)
41             {
42                 Console.WriteLine(people.ToString());
43             }
44             Console.Read();
45         }
46 
47         public class People
48         {
49             public string Name { get; set; }
50             public int Age { get; set; }
51 
52             public override string ToString()
53             {
54                 return Name + " Age = " + Age;
55             }
56         }
57 
58         public class PeopleSort : IComparer<People>
59         {
60             public int Compare(People x,People y)
61             {
62                 if (x.Age > y.Age) return 1;
63                 if (x.Age < y.Age) return -1;
64                 return 0;
65             }
66         }
67     }
68 }