我的印度软件老师,给的几个C# PROGRAMS

╰半橙微兮° 2022-08-24 11:38 194阅读 0赞

using System;

namespace Wrox.ProCSharp.OOProg //The first program  
\{  
class MainEntryPoint  
\{  
static void Main()  
\{  
Authenticator myAccess = new Authenticator();  
bool done;  
done = myAccess.ChangePassword("", "MyNewPassword");  
if (done == true)  
Console.WriteLine("Password for myAccess changed");  
else  
Console.WriteLine("Failed to change password for myAccess");  
done = myAccess.ChangePassword("", "AnotherPassword");  
if (done == true)  
Console.WriteLine("Password for myAccess changed");  
else  
Console.WriteLine("Failed to change password for myAccess");

if (myAccess.IsPasswordCorrect("WhatPassword"))  
Console.WriteLine("Verified myAccess/' password");  
else  
Console.WriteLine("Failed to verify myAccess/' password");  
\}

public class Authenticator  
\{  
// implementation as shown earlier

private string password = "";  
  
public bool IsPasswordCorrect(string tryPassword)  
\{  
return (tryPassword == password) ? true : false;  
\}

public bool ChangePassword(string oldPassword, string newPassword)  
\{  
if (oldPassword == password)  
\{  
password = newPassword;  
return true;  
\}  
else  
return false;  
\}  
\}  
\}

using System;

namespace Wrox.ProCSharp.OOProg //The Second program  
\{  
class MainEntryPoint  
\{  
static void Main()  
\{  
Authenticator myAccess = new Authenticator();  
bool done;  
done = myAccess.ChangePassword("", "MyNewPassword");  
if (done == true)  
Console.WriteLine("Password for myAccess changed");  
else  
Console.WriteLine("Failed to change password for myAccess");  
done = myAccess.ChangePassword("", "AnotherPassword");  
if (done == true)  
Console.WriteLine("Password for myAccess changed");  
else  
Console.WriteLine("Failed to change password for myAccess");

if (myAccess.IsPasswordCorrect("WhatPassword"))  
Console.WriteLine("Verified myAccess/' password");  
else  
Console.WriteLine("Failed to verify myAccess/' password");  
\}

public class Authenticator  
\{  
// implementation as shown earlier

private string password = "";  
  
public bool IsPasswordCorrect(string tryPassword)  
\{  
return (tryPassword == password) ? true : false;  
\}

public bool ChangePassword(string oldPassword, string newPassword)  
\{  
if (oldPassword == password)  
\{  
password = newPassword;  
return true;  
\}  
else  
return false;  
\}  
\}  
\}

namespace Wrox.ProCSharp.OOProg  
\{  
using System;  
public enum TypeOfCall  
\{  
CallToCellPhone, CallToLandline  
\}

public class Customer  
\{  
private string name;  
private decimal balance;  
public string Name  
\{  
get  
\{  
return name;  
\}  
set  
\{  
name = value;  
\}  
\}

public decimal Balance  
\{  
get  
\{  
return balance;  
\}  
\}  
public void RecordPayment(decimal amountPaid)  
\{  
balance -= amountPaid;  
\}  
public void RecordCall(TypeOfCall callType, uint nMinutes)  
\{  
switch (callType)  
\{  
case TypeOfCall.CallToLandline:  
balance += (0.02M \* nMinutes);  
break;  
case TypeOfCall.CallToCellPhone:  
balance += (0.30M \* nMinutes);  
break;  
default:  
break;  
\}  
\}  
\}  
public class MainEntryPoint  
\{  
public static void Main()  
\{  
Customer arabel = new Customer();  
arabel.Name = "Arabel Jones";  
Customer mrJones = new Customer();  
mrJones.Name = "Ben Jones";  
arabel.RecordCall(TypeOfCall.CallToLandline, 20);  
arabel.RecordCall(TypeOfCall.CallToCellPhone, 5);  
mrJones.RecordCall(TypeOfCall.CallToLandline, 10);  
Console.WriteLine("\{0,-20\} owes $\{1:F2\}", arabel.Name, arabel.Balance);  
Console.WriteLine("\{0,-20\} owes $\{1:F2\}", mrJones.Name, mrJones.Balance);  
\}  
\}  
\}

namespace Wrox.ProCSharp.OOProg  
\{  
using System;  
public enum TypeOfCall  
\{  
CallToCellPhone, CallToLandline  
\}

public class Customer  
\{  
private string name;  
protected decimal balance;  
public string GetFunnyString()  
\{  
return "Plain ordinary customer. Kaark!";  
\}  
public string Name  
\{  
get  
\{  
return name;  
\}  
set  
\{  
name = value;  
\}  
\}

public decimal Balance  
\{  
get  
\{  
return balance;  
\}  
\}  
public void RecordPayment(decimal amountPaid)  
\{  
balance -= amountPaid;  
\}  
public virtual void RecordCall(TypeOfCall callType, uint nMinutes)  
\{  
switch (callType)  
\{  
case TypeOfCall.CallToLandline:  
balance += (0.02M \* nMinutes);  
break;  
case TypeOfCall.CallToCellPhone:  
balance += (0.30M \* nMinutes);  
break;  
default:  
break;  
\}  
\}  
\}  
public class Nevermore60Customer : Customer  
\{  
private uint highCostMinutesUsed;  
public new string GetFunnyString()  
\{  
return "Nevermore60. Nevermore!";  
\}  
public override void RecordCall(TypeOfCall callType, uint nMinutes)  
\{  
switch (callType)  
\{  
case TypeOfCall.CallToLandline:  
balance += (0.02M \* nMinutes);  
break;  
case TypeOfCall.CallToCellPhone:  
uint highCostMinutes, lowCostMinutes;  
uint highCostMinutesToGo =  
(highCostMinutesUsed < 60) ? 60 - highCostMinutesUsed : 0;  
if (nMinutes > highCostMinutesToGo)  
\{  
highCostMinutes = highCostMinutesToGo;  
lowCostMinutes = nMinutes - highCostMinutes;  
\}  
else  
\{  
highCostMinutes = nMinutes;  
lowCostMinutes = 0;  
\}  
highCostMinutesUsed += highCostMinutes;  
balance += (0.50M \* highCostMinutes + 0.20M \*  
lowCostMinutes);  
break;  
default:  
break;  
\}  
\}  
\}  
public class MainEntryPoint  
\{  
public static void Main()  
\{  
Customer cust1;  
Nevermore60Customer cust2;  
cust1 = new Customer();  
Console.WriteLine("Customer referencing Customer: "  
\+ cust1.GetFunnyString());  
cust1 = new Nevermore60Customer();  
Console.WriteLine("Customer referencing Nevermore60Customer: "  
\+ cust1.GetFunnyString());  
cust2 = new Nevermore60Customer();  
Console.WriteLine("Nevermore60Customer referencing: "  
\+ cust2.GetFunnyString());  
\}  
\}  
\}