CSharp: Collection

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using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks;   namespace CSharpDataStructuresAlgorithms {       /// <summary>     /// 直接存取群集 Collection     /// geovindu,Geovin Du     /// </summary>     public struct Name     {           /// <summary>         ///         /// </summary>         private string fname, mname, lname;         /// <summary>         ///         /// </summary>         /// <param name="first"></param>         /// <param name="middle"></param>         /// <param name="last"></param>         public Name(string first, string middle, string last)         {             fname = first;             mname = middle;             lname = last;         }         /// <summary>         ///         /// </summary>         public string firstName         {             get             {                 return fname;             }             set             {                 fname = firstName;             }         }         /// <summary>         ///         /// </summary>         public string middleName         {             get             {                 return mname;             }             set             {                 mname = middleName;             }         }         /// <summary>         ///         /// </summary>         public string lastName         {             get             {                 return lname;             }             set             {                 lname = lastName;             }         }         /// <summary>         /// 全名         /// </summary>         /// <returns></returns>         public override string ToString()         {             return (String.Format("{0} {1} {2}", fname, mname, lname));         }         /// <summary>         /// 缩写名         /// </summary>         /// <returns></returns>         public string Initials()         {             return (String.Format("{0}{1}{2}", fname.Substring(0, 1), mname.Substring(0, 1), lname.Substring(0, 1)));         }     }   }

　　

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using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; using System.Collections; using System.Security.Cryptography.X509Certificates;   namespace CSharpDataStructuresAlgorithms {       /// <summary>     /// Collection 群集     /// </summary>     public class DuCollection: CollectionBase     {           /// <summary>         ///         /// </summary>         /// <param name="item"></param>         public void Add(object item)         {               InnerList.Add(item);         }         /// <summary>         ///         /// </summary>         /// <param name="item"></param>         public void Romove(object item)         {             InnerList.Remove(item);         }         /// <summary>         ///         /// </summary>         public new void Clear()         {             InnerList.Clear();         }           /// <summary>         ///         /// </summary>         /// <param name="item"></param>         /// <returns></returns>         public bool Contains(object item)         {             return InnerList.Contains(item);         }         /// <summary>         ///         /// </summary>         /// <param name="item"></param>         /// <returns></returns>         public int IndexOf(object item)         {             return InnerList.IndexOf(item);         }         /// <summary>         ///         /// </summary>         /// <returns></returns>         public new int Count()         {             return InnerList.Count;                   }       } }

　　

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using System; using System.Collections.Generic; using System.Diagnostics; using System.Linq; using System.Text; using System.Threading.Tasks;   namespace CSharpDataStructuresAlgorithms {       /// <summary>     ///     /// </summary>     public class Timing     {         TimeSpan startingTime;         TimeSpan duration;         /// <summary>         ///         /// </summary>         public Timing()         {             startingTime = new TimeSpan(0);             duration = new TimeSpan(0);         }         /// <summary>         ///         /// </summary>         public void StopTime()         {             duration =             Process.GetCurrentProcess().Threads[0].             UserProcessorTime.Subtract(startingTime);           }         /// <summary>         ///         /// </summary>         public void StartTime()         {             GC.Collect();             GC.WaitForPendingFinalizers();             startingTime =             Process.GetCurrentProcess().Threads[0].             UserProcessorTime;         }         /// <summary>         ///         /// </summary>         /// <returns></returns>         public TimeSpan Result()         {             return duration;         }         /// <summary>         ///         /// </summary>         /// <param name="arr"></param>         public static void BuildArray(int[] arr)         {             for (int i = 0; i < 100000; i++)                 arr[i] = i;         }         /// <summary>         ///         /// </summary>         /// <param name="arr"></param>         public static void DisplayNums(int[] arr)         {             for (int i = 0; i <= arr.GetUpperBound(0); i++)                 Console.Write(arr[i] + " ");         }       }   }

　　

调用：、

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Console.WriteLine("Hello, Geovin Du!"); Name myName = new Name("Michael", "Mason", "McMillan"); string fullName, inits; fullName = myName.ToString(); inits = myName.Initials(); Console.WriteLine("My name is {0}.", fullName); Console.WriteLine("My initials are {0}.", inits); int[] nums = new int[100000]; Timing.BuildArray(nums); Timing tObj = new Timing(); tObj.StartTime(); Timing.DisplayNums(nums); tObj.StopTime(); Console.WriteLine("time (.NET): " + tObj.Result().TotalSeconds);

　　输出：

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Hello, Geovin Du! My name is Michael Mason McMillan. My initials are MMM.