By GokiSoft.com|
09:40 01/11/2021|
C Sharp
[Examination] Thi thực hành môn C# - C Sharp
Thời Gian Thi: 14h40 - 15h40
Muộn 1 phút trừ 0.5 điểm
Tags:
Phản hồi từ học viên
5
(Dựa trên đánh giá ngày hôm nay)
![Trương Công Vinh [T1907A]](https://www.gravatar.com/avatar/223a7e3a46f4a747f81b921fe023fcc4.jpg?s=80&d=mm&r=g){kind=avatar}
Trương Công Vinh
2020-06-05 08:43:33
using System;
using System.Collections;
using System.Collections.Generic;
using System.Text;
namespace ContactManager
{
class Program
{
static int c;
static void Main(string[] args)
{
Console.WriteLine("Hello World!");
Console.OutputEncoding = Encoding.UTF8;
List<string> sdtList = new List<string>();
Hashtable hashtableContact = new Hashtable();
do
{
menu();
inputChoose();
switch (c)
{
case 1:
addContact(hashtableContact,sdtList);
break;
case 2:
findContact(hashtableContact);
break;
case 3:
displayContact(hashtableContact);
break;
case 4:
Console.WriteLine("EXIT!");
break;
default:
break;
}
} while (c!=4);
}
static void displayContact(Hashtable hashtableContact)
{
foreach (Contac item in hashtableContact.Values)
{
item.display();
}
}
static void findContact(Hashtable hashtableContact)
{
bool isFind = false;
Console.WriteLine("Enter name's contact to find : ");
string find = Console.ReadLine();
foreach (Contac item in hashtableContact.Values)
{
if (item.name.Equals(find))
{
item.display();
}
}
}
static void addContact(Hashtable hashtableContact, List<string> sdtList)
{
Contac contac = new Contac();
contac.input(sdtList);
hashtableContact.Add(contac.name,contac);
}
static void menu()
{
Console.WriteLine("o 1. Add new contact");
Console.WriteLine("o 2. Find a contact by name");
Console.WriteLine("3. Display contacts");
Console.WriteLine("o 4. Exit");
}
static void inputChoose()
{
bool ischeck = true;
while (ischeck)
{
Console.WriteLine("Choose : ");
string choose = Console.ReadLine();
if (string.IsNullOrEmpty(choose) == false && checkInt(choose))
{
c = int.Parse(choose);
ischeck = false;
}
else
{
Console.WriteLine("Error !!!");
}
}
}
static bool checkInt(string s)
{
bool check = true;
foreach (char item in s)
{
if (item < 48 || item > 57)
{
check = false;
break;
}
}
return check;
}
}
}
using System;
using System.Collections.Generic;
using System.Text;
namespace ContactManager
{
class Contac
{
public string name { get; set; }
public string sdt { get; set; }
public Contac()
{
}
public void input(List<string> sdtList)
{
inputName();
inputSDT(sdtList);
}
private void inputName()
{
while (true)
{
Console.WriteLine("Enter contact name :");
name = Console.ReadLine();
if (string.IsNullOrEmpty(name) == false)
{
break;
}
else
{
Console.WriteLine("Contact name is empty !!!");
}
}
}
private void inputSDT(List<string> sdtList)
{
bool ischeck = false;
while (!ischeck)
{
Console.WriteLine("Enter Telephone number :");
string c2 = Console.ReadLine();
if (checkInt(c2) && string.IsNullOrEmpty(c2) == false&&c2.Length==10)
{
sdt = c2;
ischeck = true;
}
else
{
Console.WriteLine("Error !!");
}
if (ischeck)
{
bool isExit = false;
foreach (var item in sdtList)
{
if (item.Equals(sdt))
{
Console.WriteLine("Contact is exist !!");
ischeck = false;
isExit = true;
}
}
if (!isExit)
{
ischeck = true;
}
}
}
}
public void display()
{
Console.WriteLine("Name : {0} | Sdt : {1}",name,sdt);
}
bool checkInt(string s)
{
bool check = true;
foreach (char item in s)
{
if (item < 48 || item > 57)
{
check = false;
break;
}
}
return check;
}
}
}
![NguyenHuuThanh [T1907A]](https://www.gravatar.com/avatar/035e4f4fed661b8e1c3e066e43cd5e41.jpg?s=80&d=mm&r=g){kind=avatar}
NguyenHuuThanh
2020-06-05 08:43:15
sua lai main :
using System;
using System.Collections;
namespace Main
{
class Program
{
static void Main(string[] args)
{
Hashtable ht = new Hashtable();
int choice;
do
{
showMenu();
Console.WriteLine("Moi ban nhap vao choice :");
choice = int.Parse(Console.ReadLine());
switch(choice)
{
case 1:
for(; ;)
{
Console.WriteLine("Nhap vao contact :");
Contact contact = new Contact();
contact.input();
ht.Add(contact.contactname , contact.phonenumber);
Console.WriteLine("Ban co muon nhap tiep khong ? Y/N");
String option;
option = Console.ReadLine();
if(option.Contains("N"))
{
break;
}
}
break;
case 2:
Console.WriteLine("Moi ban nhap vao ten :");
String name;
name = Console.ReadLine();
ICollection key01 = ht.Keys;
foreach (string k in key01)
{
if (k.Equals(name))
{
Console.WriteLine(ht[k]);
}
}
if(!ht.ContainsKey(name))
{
Console.WriteLine("Not found");
}
break;
case 3:
ICollection key = ht.Keys;
foreach(string k in key)
{
Console.WriteLine(k + " :" + ht[k]);
}
break;
case 4:
Console.WriteLine("Exit");
break;
default:
Console.WriteLine("Error");
break;
}
} while (choice != 4);
}
public static void showMenu()
{
Console.WriteLine("1 Add a new Contact");
Console.WriteLine("2. Find a Contact by name ");
Console.WriteLine("3. Display Contact ");
Console.WriteLine("4. Exit ");
}
}
}
![Phạm Ngọc Minh [T1907A]](https://www.gravatar.com/avatar/9fa44938f36838ed4b4ac8e30e070c74.jpg?s=80&d=mm&r=g){kind=avatar}
Phạm Ngọc Minh
2020-06-05 08:42:34
using System;
using System.Collections;
namespace BaithiC
{
class Program
{
static void Main(string[] args)
{
Hashtable hash = new Hashtable();
int choice;
do
{
Console.WriteLine("1.Add Contact Name");
Console.WriteLine("2.Find a Contact By Name");
Console.WriteLine("3.Display Contact");
Console.WriteLine("4.Exit");
choice = int.Parse(Console.ReadLine());
switch (choice)
{
case 1:
new MethodContact().add(hash);
break;
case 2:
new MethodContact().search(hash);
break;
case 3:
new MethodContact().display(hash);
break;
case 4:
break;
}
} while (choice != 4);
}
}
}
using System;
using System.Collections.Generic;
using System.Text;
namespace BaithiC
{
class Contactmanager
{
public string ContactName { get; set; }
public string PhoneNumber { get; set; }
public Contactmanager()
{}
public Contactmanager(string contact, string phone)
{
ContactName = contact;
PhoneNumber = phone;
}
}
}
using System;
using System.Collections;
namespace BaithiC
{
class MethodContact
{
public Hashtable add(Hashtable hash)
{
Contactmanager cm = new Contactmanager();
Console.Write("Contact name: ");
cm.ContactName = Console.ReadLine();
Console.Write("Phone number: ");
cm.PhoneNumber = Console.ReadLine();
if (cm.ContactName.Length != 0 && cm.PhoneNumber.Length != 0)
{
hash.Add(cm.ContactName, cm.PhoneNumber);
}
return hash;
}
public void display(Hashtable hash)
{
ICollection key = hash.Keys;
Console.WriteLine("ContactName\t\tNumberPhone");
foreach (string s in key)
{
Console.WriteLine("\t" + s + "\t\t\t" + hash[s]);
}
}
public Hashtable search(Hashtable hash)
{
Console.Write("Enter name search: ");
string name = Console.ReadLine();
Console.WriteLine("ContatName\t\tNumberPhone");
int flag = 0;
ICollection key = hash.Keys;
foreach (string s in key)
{
if (s.Equals(name))
{
Console.WriteLine("\t" + s + "\t\t\t" + hash[s]);
flag = 1;
}
}
if (flag == 0)
{
Console.WriteLine("Not found");
}
return hash;
}
}
}![Trần Mạnh Dũng [T1907A]](https://www.gravatar.com/avatar/ee4661d1f9133c241d6c8287c7ea8ceb.jpg?s=80&d=mm&r=g){kind=avatar}
Trần Mạnh Dũng
2020-06-05 08:41:28
#Contact.cs
using System;
using System.Collections.Generic;
using System.Text;
namespace contactManager1
{
class Contact
{
public string contactName { get; set; }
public int phoneNumber { get; set; }
public Contact()
{
}
public Contact(String contactName, int phoneNumber)
{
this.contactName = contactName;
this.phoneNumber = phoneNumber;
}
public void inputphonenumber()
{
Console.Write("Enter a contact name: ");
contactName = Console.ReadLine();
Console.Write("Enter a phone number: ");
phoneNumber = int.Parse(Console.ReadLine());
}
public void outputphonenumber()
{
Console.WriteLine("Contact Name: {0} \nPhone Number:{1}");
}
}
}
#Program.cs
using System;
using System.Collections;
namespace contactManager1
{
class Program
{
static void Main(string[] args)
{
int choose;
Hashtable contact = new Hashtable();
do
{
Menu();
choose = int.Parse(Console.ReadLine());
switch (choose)
{
case 1:
Console.Write("Enter a number contact: ");
int n = int.Parse(Console.ReadLine());
for (int i = 1; i <= n; i++)
{
Contact ct = new Contact();
Console.WriteLine("Contact number {0}:", n);
ct.inputphonenumber();
contact.Add(ct.contactName, ct.phoneNumber);
}
break;
case 2:
Console.Write("Enter a contac name: ");
string name = Console.ReadLine();
if (contact.ContainsKey(name))
{
Console.WriteLine(name+"\t"+contact[name]);
}
else
{
Console.WriteLine("Not found");
}
break;
case 3:
Console.WriteLine("==============");
foreach (DictionaryEntry item in contact)
{
Console.WriteLine(item.Key + "\t" + item.Value);
}
break;
case 4:
break;
default:
break;
}
} while (choose != 4);
}
static void Menu()
{
Console.WriteLine("1. Add new contact");
Console.WriteLine("2. Find a contact by name");
Console.WriteLine("3. Display contacts");
Console.WriteLine("4. Exit");
Console.Write("Choose: ");
}
}
}
![Phan Bạch Tùng Dương [T1907A]](https://www.gravatar.com/avatar/e74e3ec62fe3a191929e12eecbe01edf.jpg?s=80&d=mm&r=g){kind=avatar}
Phan Bạch Tùng Dương
2020-06-05 08:40:26
using System;
using System.Collections;
using System.ComponentModel.DataAnnotations;
namespace ExamCSharp
{
class Program
{
static void Main(string[] args)
{
Hashtable hash = new Hashtable();
int choose;
do
{
Display();
choose = int.Parse(Console.ReadLine());
switch (choose)
{
case 1:
new MethodContact().Add(hash);
break;
case 2:
new MethodContact().Search(hash);
break;
case 3:
new MethodContact().Display(hash);
break;
case 4:
break;
}
} while (choose != 4);
}
public static void Display()
{
Console.WriteLine("1. Add new contact: ");
Console.WriteLine("2. Find a contact by name: ");
Console.WriteLine("3. Display contact: ");
Console.WriteLine("4. Exit.");
}
}
}
using System;
using System.Collections;
using System.Collections.Generic;
using System.Text;
namespace ExamCSharp
{
class MethodContact
{
public Hashtable Add(Hashtable hash)
{
ContactManager cm = new ContactManager();
Console.Write("Contact name: ");
cm.ContactName = Console.ReadLine();
Console.Write("Phone number: ");
cm.PhoneNumber = Console.ReadLine();
if(cm.ContactName.Length != 0 && cm.PhoneNumber.Length != 0)
{
hash.Add(cm.ContactName, cm.PhoneNumber);
}
return hash;
}
public void Display(Hashtable hash)
{
ICollection key = hash.Keys;
Console.WriteLine("ContactName\t\tPhoneNNumber");
foreach(string s in key)
{
Console.WriteLine(s + "\t\t\t" + hash[s]);
}
}
public Hashtable Search(Hashtable hash)
{
Console.Write("Enter name search: ");
string name = Console.ReadLine();
Console.WriteLine("ContactName: \t\tPhoneNNumber: ");
int flag = 0;
ICollection key = hash.Keys;
foreach (string s in key)
{
if (s.Equals(name))
{
Console.WriteLine(s + "\t\t\t" + hash[s]);
flag = 1;
}
}
if(flag == 0)
{
Console.WriteLine("!!! Name not found !!!");
}
return hash;
}
}
}
using System;
using System.Collections.Generic;
using System.Text;
namespace ExamCSharp
{
class ContactManager
{
public string ContactName { get; set; }
public string PhoneNumber { get; set; }
public ContactManager()
{
}
public ContactManager(string contactname, string phonenumber)
{
ContactName = contactname;
PhoneNumber = phonenumber;
}
}
}
NguyenHuuThanh
2020-06-05 08:39:01
using System;
using System.Collections.Generic;
using System.Text;
namespace Main
{
class Contact
{
public string contactname { get; set; }
public string phonenumber { get; set; }
public Contact()
{
}
public void input()
{
Console.WriteLine("Moi ban nhap vao contactName :");
contactname = Console.ReadLine();
Console.WriteLine("Moi ban nhap vao phonenumber :");
phonenumber = Console.ReadLine();
}
public void display()
{
Console.WriteLine("Contactname : {0} , phonenumber : {1}", contactname, phonenumber);
}
}
}
using System;
using System.Collections;
namespace Main
{
class Program
{
static void Main(string[] args)
{
Hashtable ht = new Hashtable();
int choice;
do
{
showMenu();
Console.WriteLine("Moi ban nhap vao choice :");
choice = int.Parse(Console.ReadLine());
switch(choice)
{
case 1:
for(; ;)
{
Console.WriteLine("Nhap vao contact :");
Contact contact = new Contact();
contact.input();
ht.Add(contact.contactname , contact.phonenumber);
Console.WriteLine("Ban co muon nhap tiep khong ? Y/N");
String option;
option = Console.ReadLine();
if(option.Contains("N"))
{
break;
}
}
break;
case 2:
Console.WriteLine("Moi ban nhap vao ten :");
String name;
name = Console.ReadLine();
ICollection key01 = ht.Keys;
foreach (string k in key01)
{
if (k.Equals(name))
{
Console.WriteLine(ht[k]);
}
}
break;
case 3:
ICollection key = ht.Keys;
foreach(string k in key)
{
Console.WriteLine(k + " :" + ht[k]);
}
break;
case 4:
Console.WriteLine("Exit");
break;
default:
Console.WriteLine("Error");
break;
}
} while (choice != 4);
}
public static void showMenu()
{
Console.WriteLine("1 Add a new Contact");
Console.WriteLine("2. Find a Contact by name ");
Console.WriteLine("3. Display Contact ");
Console.WriteLine("4. Exit ");
}
}
}
![Đỗ Văn Huấn [T1907A]](https://www.gravatar.com/avatar/04c40301dd027839d265b3c3c9dc6e6b.jpg?s=80&d=mm&r=g){kind=avatar}
Đỗ Văn Huấn
2020-06-05 08:38:30
using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace BaiThiCsharp
{
class ContactManager
{
static void Main(string[] args)
{
Hashtable hash = new Hashtable();
int choose;
do
{
show();
choose = Int32.Parse(Console.ReadLine());
switch (choose)
{
case 1:
Console.WriteLine("Enter the number of contacts to add:");
int n = Int32.Parse(Console.ReadLine());
Input(n, hash);
break;
case 2:
Search(hash);
break;
case 3:
Display(hash);
break;
case 4:
Console.WriteLine("Exit success");
break;
default:
Console.WriteLine("Error");
break;
}
} while (choose != 4);
}
private static void show()
{
Console.WriteLine("1. Add new contact");
Console.WriteLine("2. Find a contact by name");
Console.WriteLine("3. Display contacts");
Console.WriteLine("4. Exit");
Console.WriteLine("Enter choose: ");
}
private static void Input(int n, Hashtable hash)
{
for(int i =0; i < n; i++)
{
Phone phone = new Phone();
phone.Input();
hash.Add(phone.Name, phone.PhoneNumber);
}
}
private static void Display(Hashtable hash)
{
ICollection key = hash.Keys;
foreach (string k in key)
{
Console.WriteLine(k + ": " + hash[k]);
}
}
private static void Search(Hashtable hash) {
ICollection key = hash.Keys;
Console.WriteLine("Enter name to searh: ");
string name = Console.ReadLine();
foreach (string k in key)
{
if (name.Equals(k))
{
Console.WriteLine(k + ": " + hash[k]);
}
else
{
Console.WriteLine("No names in contacts");
}
}
}
}
}
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace BaiThiCsharp
{
class Phone
{
public string Name { get; set; }
public int PhoneNumber { get; set; }
public void Input()
{
bool ischeck = true;
while (ischeck)
{
Console.Write("Enter name: ");
Name = Console.ReadLine();
if (string.IsNullOrEmpty(Name) == false)
{
ischeck = false;
}
else
{
Console.WriteLine("Enter error.");
}
}
Console.WriteLine("Enter phone number: ");
PhoneNumber = Int32.Parse(Console.ReadLine());
}
public void Display()
{
Console.WriteLine("Name: {0}; phone number: {1}", Name, PhoneNumber);
}
}
}
![Trần Anh Quân [T1907A]](https://www.gravatar.com/avatar/7e3a8fe30cedd711f426fc59a9d48efc.jpg?s=80&d=mm&r=g){kind=avatar}
Trần Anh Quân
2020-06-05 08:38:20
using ContactManager;
using System;
using System.Collections;
namespace exdm
{
class Program
{
static void Main(string[] args)
{
Hashtable h = new Hashtable();
int choice;
do
{
Console.WriteLine("1.Add new contact");
Console.WriteLine("2.Find a contact by name");
Console.WriteLine("3.Display contact");
Console.WriteLine("4.Exit");
Console.Write("Choose:");
choice = int.Parse(Console.ReadLine());
switch (choice)
{
case 1:
new MethodContact().add(h);
break;
case 2:
new MethodContact().search(h);
break;
case 3:
new MethodContact().display(h);
break;
case 4:
break;
}
} while (choice != 4);
}
}
}using System;
using System.Collections;
namespace ContactManager
{
class MethodContact
{
public Hashtable add(Hashtable h)
{
Contactmanager ctm = new Contactmanager();
Console.Write("Contact Name: ");
ctm.ContactName = Console.ReadLine();
Console.Write("Number Phone: ");
ctm.PhoneNumber = Console.ReadLine();
if (ctm.ContactName.Length != 0 && ctm.PhoneNumber.Length != 0)
{
h.Add(ctm.ContactName, ctm.PhoneNumber);
}
return h;
}
public void display(Hashtable h)
{
Console.WriteLine("================AddressBook============");
ICollection key = h.Keys;
Console.WriteLine("\tContactName\t\tNumberPhone");
foreach (string s in key)
{
Console.WriteLine("\t" + s + "\t\t" + h[s]);
}
}
public Hashtable search(Hashtable h)
{
Console.Write("Enter Name: ");
string name = Console.ReadLine();
int a = 0;
ICollection key = h.Keys;
foreach (string s in key)
{
if (s.Equals(name))
{
Console.WriteLine("\t" + s + "\t\t\t" + h[s]);
a = 1;
}
}
if (a == 0)
{
Console.WriteLine("Not Found!");
}
return h;
}
}
}using System;
namespace ContactManager
{
class Contactmanager
{
public string ContactName { get; set; }
public string PhoneNumber { get; set; }
public Contactmanager()
{
}
public Contactmanager(string contactname, string phone)
{
ContactName = contactname;
PhoneNumber = phone;
}
}
}![Luong Dinh Dai [T1907A]](https://www.gravatar.com/avatar/ca08fa4090e1038e541197564747f93c.jpg?s=80&d=mm&r=g){kind=avatar}
Luong Dinh Dai
2020-06-05 08:33:37
#Contactmanager.cs
using System;
using System.Collections.Generic;
using System.Text;
namespace thithuchanh
{
class Contactmanager
{
public string Name { get; set; }
public string Phone { get; set; }
public void input()
{
Console.WriteLine("Input Contact name: ");
Name = Console.ReadLine();
Console.WriteLine("Input Phone number: ");
Phone = Console.ReadLine();
}
public void output()
{
Console.WriteLine("Contact name: "+ Name+"\n Phome number: "+Phone);
}
}
}
#Program.cs
using System;
using System.Collections;
namespace thithuchanh
{
class Program
{
static void Main(string[] args)
{
Hashtable hash = new Hashtable();
Program pr = new Program();
int sw;
do
{
pr.menu();
sw = Convert.ToInt32(Console.ReadLine());
switch (sw)
{
case 1:
Console.WriteLine("input N Contact ");
int number = Convert.ToInt32(Console.ReadLine());
for (int i = 0; i < number; i++)
{
Contactmanager contact = new Contactmanager();
contact.input();
hash.Add(contact.Name, contact.Phone);
}
break;
case 2:
Console.WriteLine("input ContactName find ");
string find = Console.ReadLine();
if (hash[find] == null)
{
Console.WriteLine("not found");
}
else
{
Console.WriteLine(find + "\t" + hash[find]);
}
break;
case 3:
ICollection key = hash.Keys;
foreach (string i in key)
{
Console.WriteLine(i + ": " + hash[i]);
}
break;
}
} while (sw != 4);
}
public void menu()
{
Console.WriteLine("1. Add new contact \n2. Find contact by name \n3. Display contacts \n4. Exit \n");
}
}
}
![thienphu [T1907A]](https://www.gravatar.com/avatar/c4573ea65e411176c1852fd8584f1ab1.jpg?s=80&d=mm&r=g){kind=avatar}
thienphu
2020-06-05 08:20:36
#Contact.cs
using System;
using System.Collections.Generic;
using System.Text;
namespace DeThi
{
class Contact
{
public string ContactName { get; set; }
public int Phone { get; set; }
public Contact() { }
public Contact(string contactName,int phone)
{
ContactName = contactName;
Phone = phone;
}
public void input()
{
Console.WriteLine("input contactName ");
ContactName = Console.ReadLine();
Console.WriteLine("input Phonenumber ");
Phone = Convert.ToInt32(Console.ReadLine());
}
public void display()
{
Console.WriteLine("{0} \t {1}", ContactName, Phone);
}
}
}
#Manage.cs
using System;
using System.Collections;
using System.Collections.Generic;
using System.Text;
namespace DeThi
{
class Manage
{
public static void AddContact(Hashtable ht)
{
Console.WriteLine("input N Contact ");
int number = Convert.ToInt32(Console.ReadLine());
for (int i = 0; i < number; i++)
{
Contact ct = new Contact();
ct.input();
ht.Add(ct.ContactName, ct.Phone);
}
}
public static void searhByContactName(Hashtable ht)
{
Console.WriteLine("input ContactName find ");
string find = Console.ReadLine();
ICollection key = ht.Keys;
var isCheck = false;
foreach (string k in key)
{
if (k.Equals(find))
{
isCheck = true;
break;
}
}
if (isCheck)
{
Console.WriteLine("Information Contact ");
Console.WriteLine(find + ": " + ht[find]);
return;
}
Console.WriteLine("not found ");
}
public static void display(Hashtable ht)
{
ICollection key = ht.Keys;
Console.WriteLine("-------Address Book-------");
Console.WriteLine("Contact Name\t Phone Numebr");
foreach (string k in key)
{
Console.WriteLine(k + "\t \t" + ht[k]);
}
}
}
}
#Program.cs
using System;
using System.Collections;
namespace DeThi
{
class Program
{
static void Main(string[] args)
{
Hashtable ht = new Hashtable();
int choose;
do
{
showmenu();
choose = Convert.ToInt32(Console.ReadLine());
switch (choose)
{
case 1:
Manage.AddContact(ht);
break;
case 2:
Manage.searhByContactName(ht);
break;
case 3:
Manage.display(ht);
break;
case 4:
Console.WriteLine("exit success ");
break;
default:
Console.WriteLine("nhap sai roi, chon lai di");
break;
}
} while (choose != 4);
}
public static void showmenu()
{
Console.WriteLine("1. Add new contact ");
Console.WriteLine("2. Find a contact by name ");
Console.WriteLine("3. Display contacts ");
Console.WriteLine("4. Exit ");
Console.WriteLine("Choose");
}
}
}
