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
intList = new List();
11 intList.AddRange(new[] {9, 23, 2, 1, 2, 3});
12 Console.WriteLine("List");
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:");
25 List peopleList = new List
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.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
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 }
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