程序代码汇总第1章

1、原书P4-P5 代码using System;public struct Name private string fname, mname, lname; public Name(string first, string middle, string last) fname = first; mname = middle; lname = last; public string firstName get return fname; set fname = firstName; public string middleName get return mname; set mname = mid

2、dleName; public string lastName get return lname; set lname = lastName; public override string ToString() return (String.Format(0 1 2, fname, mname,lname); public string Initials() return (String.Format(012, fname.Substring(0, 1),mname.Substring(0, 1), lname.Substring(0, 1); public class NameTest st

3、atic void Main() 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); 原书P5-P6 代码using System;public class IntStruct static void Main

4、() int num; string snum; Console.Write(Enter a number: ); snum = Console.ReadLine(); num = Int32.Parse(snum); Console.WriteLine(num); 原书P12 代码1public void Add(Object item) InnerList.Add(item);原书P12 代码2public void Remove(Object item) InnerList.Remove(item);原书P13 代码1public new int Count() return Inner

5、List.Count;原书P13 代码2public new void Clear() InnerList.Clear();原书P13-P14 代码using System;using System.Collections;public class Collection : CollectionBase public void Add(Object item) InnerList.Add(item); public void Remove(Object item) InnerList.Remove(item); public new void Clear() InnerList.Clear()

6、; public new int Count() return InnerList.Count; class chapter1 static void Main() Collection names = new Collection(); names.Add(David); names.Add(Bernica); names.Add(Raymond); names.Add(Clayton); foreach (Object name in names) Console.WriteLine(name); Console.WriteLine(Number of names: + names.Cou

7、nt(); names.Remove(Raymond); Console.WriteLine(Number of names: + names.Count(); names.Clear(); Console.WriteLine(Number of names: + names.Count(); 原书P15 代码1static void Swap(ref T val1, ref T val2) T temp; temp = val1; val1 = val2; val2 = temp;原书P15 代码2using System;class chapter1 static void Main()

8、int num1 = 100; int num2 = 200; Console.WriteLine(num1: + num1); Console.WriteLine(num2: + num2); Swap(ref num1, ref num2); Console.WriteLine(num1: + num1); Console.WriteLine(num2: + num2); string str1 = Sam; string str2 = Tom; Console.WriteLine(String 1: + str1); Console.WriteLine(String 2: + str2)

9、; Swap(ref str1, ref str2); Console.WriteLine(String 1: + str1); Console.WriteLine(String 2: + str2); static void Swap(ref T val1, ref T val2) T temp; temp = val1; val1 = val2; val2 = temp; 原书P16 代码1public class Node T data; Node link; public Node(T data, Node link) this.data = data; this.link = lin

10、k; 原书P16 代码2Node node1 = new Node(Mike, null);Node node2 = new Node(Raymond, node1);原书P17 代码1static void DisplayNums(int arr)for (int i = 0; i = arr.GetUpperBound(0); i+) Console.Write(arri + );原书P17 代码2DateTime startTime;TimeSpan endTime;startTime = DateTime.Now;endTime = DateTime.Now.Subtract(star

11、tTime);原书P19 代码1GC.Collect();原书P19 代码2GC.WaitForPendingFinalizers();原书P19 代码3TimeSpan startingTime;startingTime = Process.GetCurrentProcess().Threads0.UserProcessorTime;原书P20 代码1duration = Process.GetCurrentProcess().Threads0.UserProcessorTime.Subtract(startingTime);原书P20 代码2using System;using Syste

12、m.Diagnostics;class chapter1 static void Main() int nums = new int100000; BuildArray(nums); TimeSpan duration; DisplayNums(nums); DisplayNums(nums); DisplayNums(nums);duration = Process.GetCurrentProcess().TotalProcessorTime; Console.WriteLine(Time: + duration.TotalSeconds); static void BuildArray(i

13、nt arr) for (int i = 0; i = 99999; i+) arri = i; static void DisplayNums(int arr) for (int i = 0; i = arr.GetUpperBound(0); i+) Console.Write(arri + ); 原书P21 代码public class Timing TimeSpan startingTime; TimeSpan duration; public Timing() startingTime = new TimeSpan(0); duration = new TimeSpan(0); pu

14、blic void StopTime() duration = Process.GetCurrentProcess().Threads0. UserProcessorTime.Subtract(startingTime); public void startTime() GC.Collect(); GC.WaitForPendingFinalizers(); startingTime = Process.GetCurrentProcess().Threads0. UserProcessorTime; public TimeSpan Result() return duration; 原书P22

15、-P23 代码using System;using System.Diagnostics;using System.Threading;public class Timing TimeSpan duration; public Timing() duration = new TimeSpan(0); public void stopTime() duration = Process.GetCurrentProcess().TotalProcessorTime; public void startTime() GC.Collect(); GC.WaitForPendingFinalizers(); public TimeSpan Result() return duration; class chapter1 static void Main() int nums = new int100000; BuildArray(nums); Timing tObj = new Timing(); tObj.startTime(); DisplayNums(nums); tObj.stopTime(); Console.WriteLine(time (.NET): + tObj.Result().TotalSeconds); static void BuildArray(int