1 class Program 2 { 3 #region Person class for testing 4 public class Person 5 { 6 public int Age { get; set; } 7 public string FirstName { get; set; } 8 public string LastName { get; set; } 9 10 public Person() 11 { 12 13 } 14 15 public Person(string firstName, string lastName, int age) 16 { 17 Age = age; 18 FirstName = firstName; 19 LastName = lastName; 20 } 21 22 public override string ToString() 23 { 24 return string.Format("Name:{0} {1},Age:{2}", FirstName, LastName, Age); 25 } 26 } 27 #endregion 28 29 static void Main(string[] args) 30 { 31 UseGenericList(); 32 Console.WriteLine("---------------------"); 33 34 UseGenericStack(); 35 Console.WriteLine("---------------------"); 36 37 UseGenericQueue(); 38 Console.WriteLine("---------------------"); 39 40 UseSortedSet(); 41 Console.ReadLine(); 42 } 43 44 #region SortPeopleByAge class 45 class SortPeopleByAge : IComparer<Person> 46 { 47 public int Compare(Person firstPerson, Person secondPerson) 48 { 49 if (firstPerson.Age > secondPerson.Age) 50 return 1; 51 if (firstPerson.Age < secondPerson.Age) 52 return -1; 53 else 54 return 0; 55 } 56 } 57 #endregion 58 59 #region Ues List<T> 60 private static void UseGenericList() 61 { 62 List<Person> people = new List<Person>() 63 { 64 new Person {FirstName="Zhang",LastName="Nan",Age=23}, 65 new Person {FirstName= "Homer", LastName="Simpson", Age=47}, 66 new Person {FirstName= "Marge", LastName="Simpson", Age=45}, 67 new Person {FirstName= "Lisa", LastName="Simpson", Age=9}, 68 new Person {FirstName= "Bart", LastName="Simpson", Age=8}, 69 }; 70 71 Console.WriteLine("Item in list: {0}", people.Count); 72 73 foreach (Person p in people) 74 Console.WriteLine(p); 75 76 Console.WriteLine("\n->Inserting new person"); 77 people.Insert(2, new Person { FirstName = "Test", LastName = "Test", Age = 123}); 78 Console.WriteLine("Items in list:{0}", people.Count); 79 80 Person[] arrayOfPeople = people.ToArray(); 81 for (int i = 0; i < arrayOfPeople.Length; i++) 82 { 83 Console.WriteLine("First Name: {0}", arrayOfPeople[i].FirstName); 84 } 85 } 86 #endregion 87 88 #region Use Stack<T> 89 static void UseGenericStack() 90 { 91 Stack<Person> stackOfPeople = new Stack<Person>(); 92 stackOfPeople.Push(new Person { FirstName = "Zhang", LastName = "Nan", Age = 23 }); 93 stackOfPeople.Push(new Person { FirstName = "Homer", LastName = "Simpson", Age = 47 }); 94 //stackOfPeople.Push(new Person { FirstName = "Marge", LastName = "Simpson", Age = 45 }); 95 stackOfPeople.Push(new Person { FirstName = "Lisa", LastName = "Simpson", Age = 9 }); 96 97 Console.WriteLine("First person is : {0}", stackOfPeople.Peek()); 98 Console.WriteLine("Popped off {0}", stackOfPeople.Pop()); 99 100 Console.WriteLine("\nFirst person is: {0}", stackOfPeople.Peek()); 101 Console.WriteLine("Popped off {0}", stackOfPeople.Pop()); 102 103 Console.WriteLine("\nFirst person is: {0}", stackOfPeople.Peek()); 104 Console.WriteLine("Popped off {0}", stackOfPeople.Pop()); 105 106 try 107 { 108 Console.WriteLine("\nFirst person is: {0}", stackOfPeople.Peek()); 109 Console.WriteLine("Popped off {0}", stackOfPeople.Pop()); 110 } 111 catch(InvalidOperationException ex) 112 { 113 Console.WriteLine("\nError! {0}", ex.Message); 114 } 115 } 116 #endregion 117 118 #region Use Queue<T> 119 static void GetCoffee(Person p) 120 { 121 Console.WriteLine("{0} got coffee!", p.FirstName); 122 } 123 124 static void UseGenericQueue() 125 { 126 Queue<Person> peopleQ = new Queue<Person>(); 127 peopleQ.Enqueue(new Person { FirstName = "Zhang", LastName = "Nan", Age = 23 }); 128 peopleQ.Enqueue(new Person { FirstName = "Homer", LastName = "Simpson", Age = 47 }); 129 //peopleQ.Enqueue(new Person { FirstName = "Marge", LastName = "Simpson", Age = 45 }); 130 peopleQ.Enqueue(new Person { FirstName = "Lisa", LastName = "Simpson", Age = 9 }); 131 132 Console.WriteLine("{0} is first in line!", peopleQ.Peek().FirstName); 133 134 GetCoffee(peopleQ.Dequeue()); 135 GetCoffee(peopleQ.Dequeue()); 136 GetCoffee(peopleQ.Dequeue()); 137 138 try 139 { 140 GetCoffee(peopleQ.Dequeue()); 141 } 142 catch (InvalidOperationException e) 143 { 144 Console.WriteLine("Error! {0}", e.Message); 145 } 146 147 } 148 #endregion 149 150 #region Use SortedSet<T> 151 private static void UseSortedSet() 152 { 153 SortedSet<Person> setOfPeople = new SortedSet<Person>(new SortPeopleByAge()) 154 { 155 new Person {FirstName= "Homer", LastName="Simpson", Age=47}, 156 new Person {FirstName= "Marge", LastName="Simpson", Age=45}, 157 new Person {FirstName= "Lisa", LastName="Simpson", Age=9}, 158 new Person {FirstName= "Bart", LastName="Simpson", Age=8} 159 }; 160 161 foreach (Person p in setOfPeople) 162 { 163 Console.WriteLine(p); 164 } 165 166 Console.WriteLine(); 167 168 setOfPeople.Add(new Person { FirstName = "Zhang", LastName = "Nan", Age = 23 }); 169 setOfPeople.Add(new Person { FirstName = "Abc", LastName = "Test", Age = 120 }); 170 171 foreach (Person p in setOfPeople) 172 { 173 Console.WriteLine(p); 174 } 175 } 176 #endregion 177 }
注：引用自 《Por C# 2010 and the .NET 4 Platform》