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

Phản hồi từ học viên

5

(Dựa trên đánh giá ngày hôm nay)

vuong huu phu

2021-05-31 07:53:54

using System;
using System.Collections;

namespace test
{
    class Program
    {
        static void Main(string[] args)
        {
            String name;
            String phonenumber;
            Hashtable hash = new Hashtable();
            int lc;
            do {
                menu();
                Console.WriteLine("Nhap su lua chon : ");
                lc = Int32.Parse(Console.ReadLine());
                switch (lc) {
                    case 1:
                        Console.WriteLine("Nhap ten:");
                        name = Console.ReadLine();
                        Console.WriteLine("Nhap so dien thoai:");
                        phonenumber = Console.ReadLine();
                        hash.Add(name, phonenumber);
                        break;
                    case 2:
                        int c = 0;
                        Console.WriteLine("Nhap ten can tim :");
                        String names = Console.ReadLine();
                        ICollection key1 = hash.Keys;
                        foreach (String h in key1)
                        {
                            if (h == names) {
                                Console.WriteLine("Ten: " + h + " ,So dien thoai " + hash[h]);
                                c++;
                            }

                        } if (c == 0) {
                            Console.WriteLine("Khong co ten nay !!!");
                        }
                        break;
                    case 3:
                        ICollection key = hash.Keys;
                        foreach (String h in key) {
                            Console.WriteLine("Ten: " + h + " ,So dien thoai " + hash[h]);
                        }
                        break;
                    case 4:
                        Console.WriteLine("Thoat!!!!!");
                        break;
                }
            } while (lc > 0);

        }
        public 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");
        }
    }
}

Nguyên Phấn Đông

2021-05-31 07:45:50

#main.cs

using System;

namespace baitest
{
    class Test
    {
        static void Main(string[] args)
        {
            int choose;
            ContactManager contactManager = new ContactManager(); ;
            do
            {
                ShowMenu();
                choose = int.Parse(Console.ReadLine());
                switch (choose)
                {
                    case 1:
                        Console.WriteLine("Number contact: ");
                        int n = int.Parse(Console.ReadLine());
                        for (int i = 0; i < n; i++)
                        {
                            contactManager.Add();
                        }

                        break;
                    case 2:
                        contactManager.Find();
                        break;
                    case 3:
                        Console.WriteLine("\tAddress Book");
                        Console.WriteLine("Contact Name\tPhone Number");
                        contactManager.Display();
                        break;
                    case 4:
                        Environment.Exit(0);
                        break;
                    default:
                        break;
                }
            } while (choose != 4);
        }

        static void ShowMenu()
        {
            Console.WriteLine("1. Add Contact");
            Console.WriteLine("2. Find");
            Console.WriteLine("3. Display all contact");
            Console.WriteLine("4. Exit");
            Console.WriteLine("Choose: ");
        }
    }
}

#program.cs

using System;

namespace baitest
{
    public class Contact
    {
        public string Name { get; set; }
        public string Phone { get; set; }

        public Contact(string name, string phone)
        {
            Name = name;
            Phone = phone;
        }

        public Contact()
        {
        }

        public void Input()
        {
            Console.WriteLine("Input Name: ");
            this.Name = Console.ReadLine();
            Console.WriteLine("Input Phone: ");
            this.Phone = Console.ReadLine();
        }

        public void Display()
        {
            Console.WriteLine(Name+"\t"+ Phone);
        }
    }
}
-------------------------------------------------------------------------------------
using System;
using System.Collections;
using System.ComponentModel.DataAnnotations.Schema;
using System.Text;

namespace Project2
{
    class ContactManager
    {
        static Hashtable table;
        public ContactManager()
        {
            table = new Hashtable();
        }
        public void Add()
        {
            Contact cont = new Contact();
            cont.Input();
            table.Add(cont.Name, cont);
        }

        public void Display()
        {
            foreach (DictionaryEntry item in table)
            {
                ((Contact)item.Value).Display();
            }
        }

        public void Find()
        {
            Console.WriteLine("Finding Phonenumber: ");
            string phone = Console.ReadLine();
            if (table.ContainsKey(phone))
            {
                ((Contact)table[phone]).Display();
            }
            else
            {
                Console.WriteLine("Cannot Find");
            }
        }
    }
}

Trần Văn Lâm

2021-05-31 07:44:58

#ContactManager.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace test
{
    class ContactManager 
    {
        public string ContactName { get; set; }
        public string PhoneNumber { get; set; }

        public ContactManager()
        {

        }
        public ContactManager(string ContactName, string PhoneNumber)
        {
            this.ContactName = ContactName;
            this.PhoneNumber = PhoneNumber;
        }

        public void Input()
        {
            Console.WriteLine("Nhap ten lien he:");
            ContactName = Console.ReadLine();
            Console.WriteLine("Nhap SDT:");
            PhoneNumber = Console.ReadLine();
        }
        public void Display()
        {
            Console.WriteLine("Ten Lien He : {0}, SDT : {1}", ContactName, PhoneNumber);
        }
    }
}

#HasdTable.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace test
{
    class HasdTabe
    {
        static void Main(string[] args)
        {
            List<ContactManager> managerList = new List<ContactManager>();
            int choose;
            do
            {
                showMenu();
                choose = Convert.ToInt32(Console.ReadLine());

                switch (choose)
                {
                    case 1:
                        AddContact(managerList);
                        break;
                    case 2:
                        SearchByName(managerList);
                        break;
                    case 3:
                        Display(managerList);
                        break;
                    case 4:
                        Console.WriteLine("Exit!");
                        break;
                    default:
                        Console.WriteLine("Nhap sai!");
                        break;
                }
            } while (choose != 6);
        }

        public static void Display(List<ContactManager> managerList)
        {
            foreach(ContactManager ctm in managerList)
            {
                ctm.Display();
            }
        }
        public static void SearchByName(List<ContactManager> managerList)
        {
            Console.WriteLine("Nhap Ten :");
            string name = Console.ReadLine();
            int k = 0;

            foreach (ContactManager ctm in managerList)
            {
                if (ctm.ContactName == name)
                {
                    ctm.Display();
                    k++;
                }

            }
            if (k==0)
            {
                Console.WriteLine("Khong Thay!");
            }
        }
        public static void AddContact(List<ContactManager> managerList)
        {
            Console.WriteLine("Them N lien he moi:");
            int N = Convert.ToInt32(Console.ReadLine());
            for(int i = 0; i < N; i++)
            {
                ContactManager ctm = new ContactManager();
                ctm.Input();
                managerList.Add(ctm);
            }
        }
        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:");
        }
    }
}

hainguyen

2021-05-31 07:35:16

#HashTable.cs

using System;
using System.Collections.Generic;
using System.Text;

namespace Bt1564
{
    class HashTable
    {
        public string Name { get; set; }
        public string PhoneNumber { get; set; }

        public HashTable() { }

        public HashTable(string Name, string PhoneNumber)
        {
            this.Name = Name;
            this.PhoneNumber = PhoneNumber;
        }

        public void input()
        {
            Console.WriteLine("Nhap Name: ");
            Name = Console.ReadLine();
            Console.WriteLine("Nhap PhoneNumber: ");
            PhoneNumber = Console.ReadLine();
        }

        public void display()
        {
            Console.WriteLine("Name: = {0}", Name);
            Console.WriteLine("PhoneNumber: = {0}", PhoneNumber);
        }
    }
}

#Program.cs

using System;
using System.Collections.Generic;

namespace Bt1564
{
    class Program
    {
        static void Main(string[] args)
        {
            List<HashTable> tablelist = new List<HashTable>();
            int choose;

            do
            {
                showMenu();
                choose = int.Parse(Console.ReadLine());

                switch (choose)
                {
                    case 1:
                        Console.WriteLine("Nhap so lien he: ");
                        int n = int.Parse(Console.ReadLine());
                        for (int i = 0; i < n; i++)
                        {
                            HashTable ht = new HashTable();
                            ht.input();
                            tablelist.Add(ht);
                        }
                        break;
                    case 2:
                        Console.WriteLine("Nhap ten lien he can tim: ");
                        string name = Console.ReadLine();
                        int num = 0;
                        foreach (HashTable ht in tablelist)
                        {
                            if (ht.Name == name)
                            {
                                ht.display();
                                num++;
                            }
                        } if (num == 0)
                        {
                            Console.WriteLine("khong tim thay ten");
                        }
                        break;
                    case 3:
                        for (int i = 0; i < tablelist.Count; i++)
                        {
                            tablelist[i].display();
                        }
                        break;
                    case 4:
                        Environment.Exit(0);
                        break;
                    default:
                        Console.WriteLine("Fail!");
                        break;
                }
            } while (choose != 4);
        }

        static void showMenu()
        {
            Console.WriteLine("1. Them lien he moi");
            Console.WriteLine("2. Tim so lien lac theo ten");
            Console.WriteLine("3. Hien thi");
            Console.WriteLine("4. Thoat");
            Console.WriteLine("Chon: ");
        }
    }
}

Hoàng Quang Huy

2020-07-06 09:49:48

using System;
using System.Collections.Generic;
using System.Text;

namespace Project2
{
    class Test
    {
        static void Main(string[] args)
        {
            int choose;
            ContactManager contactManager = new ContactManager(); ;
            do
            {
                ShowMenu();
                choose = int.Parse(Console.ReadLine());
                switch (choose)
                {
                    case 1:
                        Console.WriteLine("Number contact: ");
                        int n = int.Parse(Console.ReadLine());
                        for (int i = 0; i < n; i++)
                        {
                            contactManager.Add();
                        }

                        break;
                    case 2:
                        contactManager.Find();
                        break;
                    case 3:
                        Console.WriteLine("\tAddress Book");
                        Console.WriteLine("Contact Name\tPhone Number");
                        contactManager.Display();
                        break;
                    case 4:
                        Environment.Exit(0);
                        break;
                    default:
                        break;
                }
            } while (choose != 4);
        }

        static void ShowMenu()
        {
            Console.WriteLine("1. Add Contact");
            Console.WriteLine("2. Find");
            Console.WriteLine("3. Display all contact");
            Console.WriteLine("4. Exit");
            Console.WriteLine("Choose: ");
        }
    }
}
-------------------------------------------------------------------------------------
using System;
using System.Collections.Generic;
using System.Text;

namespace Project2
{
    public class Contact
    {
        public string Name { get; set; }
        public string Phone { get; set; }

        public Contact(string name, string phone)
        {
            Name = name;
            Phone = phone;
        }

        public Contact()
        {
        }

        public void Input()
        {
            Console.WriteLine("Input Name: ");
            this.Name = Console.ReadLine();
            Console.WriteLine("Input Phone: ");
            this.Phone = Console.ReadLine();
        }

        public void Display()
        {
            Console.WriteLine(Name+"\t"+ Phone);
        }
    }
}
-------------------------------------------------------------------------------------
using System;
using System.Collections;
using System.ComponentModel.DataAnnotations.Schema;
using System.Text;

namespace Project2
{
    class ContactManager
    {
        static Hashtable table;
        public ContactManager()
        {
            table = new Hashtable();
        }
        public void Add()
        {
            Contact cont = new Contact();
            cont.Input();
            table.Add(cont.Name, cont);
        }

        public void Display()
        {
            foreach (DictionaryEntry item in table)
            {
                ((Contact)item.Value).Display();
            }
        }

        public void Find()
        {
            Console.WriteLine("Finding Phonenumber: ");
            string phone = Console.ReadLine();
            if (table.ContainsKey(phone))
            {
                ((Contact)table[phone]).Display();
            }
            else
            {
                Console.WriteLine("Cannot Find");
            }
        }
    }
}

Nguyễn Hoàng Anh

2020-07-04 06:19:27

using System;
using System.Collections;

namespace Test60p
{
    class Program
    {
        static Hashtable ContactManager = new Hashtable();
        public static void Add() {
           
            Contact contact = new Contact();
            contact.input();
            ContactManager.Add(contact.ContactName,contact);
        }
        public static void Find() {
            Console.WriteLine("Enter contact name : ");
            string name = Console.ReadLine();
            if (ContactManager.ContainsKey(name))
            {  
                Console.WriteLine("Contact Name   Phone number");
                ((Contact)ContactManager[name]).display();
            }
            else {
                Console.WriteLine("No contact name!");
            }
        
        }
        public static void Show() {
            Console.WriteLine("Contact Name   Phone number");
            foreach (Contact value in ContactManager.Values) {
                value.display();             
            }
        }
        public 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");
        }
        static void Main(string[] args)
        {
            while (true) {
                Menu();
                int choice = int.Parse(Console.ReadLine());
                switch (choice) {
                    case 1:
                        Add();
                        break;
                    case 2:
                        Find();
                        break;
                    case 3:
                        Show();
                        break;
                    case 4:
                        return;

                }
            }
        }
    }
}

using System;
using System.Collections.Generic;
using System.Text;

namespace Test60p
{
    class Contact
    {
        public string ContactName { get; set; }
        public string PhoneNumber { get; set; }

        public Contact(string contactName, string phoneNumber)
        {
            ContactName = contactName;
            PhoneNumber = phoneNumber;
        }

        public Contact()
        {
        }
        public void input()
        {
            Console.WriteLine("Enter contact name : ");
            ContactName = Console.ReadLine();
            Console.WriteLine("Enter phone number : ");
            PhoneNumber = Console.ReadLine();
        }
        public void display()
        {
            Console.WriteLine("{0}        {1}", ContactName, PhoneNumber);
        }
    }
}

Ngô Quang Huy

2020-07-03 13:49:48

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ContactManager
{
    class Program
    {
        static Dictionary<string, Contact> list = new Dictionary<string, Contact>();
        static void Main(string[] args)
        {
            while (true)
            {
                showMenu();
                int choose = int.Parse(Console.ReadLine());
                switch (choose)
                {
                    case 1:
                        Add();
                        break;
                    case 2:
                        Find();
                        break;
                    case 3:
                        Display();
                        break;
                    case 4:
                        Environment.Exit(0);
                        break;
                    default:
                        Console.WriteLine("Invalid");
                        break;
                }
            }
        }

        static void showMenu()
        {
            Console.WriteLine("\n1. Add new contact\n2.Find a contact by name\n3.Display contacts\n4.Exit");
            Console.Write("Choose: ");
        }

        static void Add()
        {
            Contact ct = new Contact();
            ct.input();
            list.Add(ct.Name, ct);
        }

        static void Find()
        {
            Console.Write("Insert Search Name: ");
            string search = Console.ReadLine();
            if (list.ContainsKey(search))
            {
                Console.WriteLine(list[search].Phone);
            }
            else
            {
                Console.WriteLine("Not found");
            }
        }

        static void Display()
        {
            Dictionary<string, Contact>.ValueCollection value = list.Values;
            Console.WriteLine("\tAddress Book");
            Console.WriteLine("{0} {1}", "Contact Name".PadRight(20),"Phone Number");
            foreach (Contact cont in value) 
            {
                Console.WriteLine("{0} {1}", cont.Name.PadRight(20), cont.Name);
            }
        }
    }
}

trung

2020-07-03 13:45:58

using System;
using System.Collections;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ContactManager
{

    public class ContactManager
    {

        public Hashtable ContactMgr;

        public ContactManager()
        {
            ContactMgr = new Hashtable();
        }

        public void PrintMenu()
        {
            Console.WriteLine("1.Add new contact");
            Console.WriteLine("2.Find a contact by name");
            Console.WriteLine("3.Display contacts");
            Console.WriteLine("4.Exit");
        }

        public void AddTelephone()
        {
            Contact nContact = new Contact();
            nContact.Input();
            ContactMgr.Add(nContact.Name, nContact);
        }

        public void Display()
        {
            Console.WriteLine("Contact name     Phone Number");
            foreach (DictionaryEntry ct in ContactMgr)
            {
                ((Contact)ct.Value).Output();
            }
        }

        public void FindTelephone()
        {
            string name;
            Console.WriteLine("Input name to search");
            name = Console.ReadLine();
            if (!ContactMgr.ContainsKey(name))
            {
                Console.WriteLine("Not found");
                return;
            }
            else
            {
                ((Contact)ContactMgr[name]).Output();
            }
        }
    }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ContactManager
{
    public class Contact
    {
        public string Name { get; set; }
        public string Phone { get; set; }

        public Contact()
        { }

        public Contact(string name, string phone)
        {
            Name = name;
            Phone = phone;
        }

        public void Input()
        {
            Console.WriteLine("Input name");
            Name = Console.ReadLine();
            Console.WriteLine("Input phone");
            Phone = Console.ReadLine();
        }
        
        public void Output()
        {
            Console.WriteLine("{0}      {1}", Name, Phone);
        }

    }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ContactManager
{
    public class Program
    {
        static void Main(string[] args)
        {
            ContactManager contactmgr = new ContactManager();
            int choose = 0;
            do
            {
                contactmgr.PrintMenu();
                choose = int.Parse(Console.ReadLine());
                switch(choose)
                {
                    case 1:
                        for (int i = 0; i < 3; i++)
                        {
                            contactmgr.AddTelephone();
                        }
                        break;
                    case 2:
                        contactmgr.FindTelephone();
                        break;
                    case 3:
                        contactmgr.Display();
                        break;
                    case 4:
                        Console.WriteLine("bye bye...");
                        break;
                    default:
                        Console.WriteLine("Invalid input");
                        break;
                }
            }
            while (choose != 4);
        }
    }
}

Trần Ngọc Hải

2020-06-05 11:09:08

#ContactManager.cs

using System;

using System.Collections;

using System.Text;





namespace BaiThiC

{

    class ContactManager

    {



        static void Main(string[] args)

        {

            Console.OutputEncoding = Encoding.UTF8;

            Hashtable hash = new Hashtable();

            int choose;

            do

            {

                show();

                choose = Int32.Parse(Console.ReadLine());

                switch (choose)

                {

                    case 1:

                        Console.WriteLine("Nhập số lượng thuê bao muốn thêm: ");

                        int n = Int32.Parse(Console.ReadLine());

                        Input(n, hash);

                        break;

                    case 2:

                        Search(hash);

                        break;

                    case 3:

                        Display(hash);

                        break;

                    case 4:

                        Console.WriteLine("Thoát");

                        break;

                    default:

                        Console.WriteLine("Lỗi rồi, nhập lại : ");

                        break;

                }



            } while (choose != 4);



        }

        private static void show()

        {

            Console.WriteLine("1. Thêm số liên lạc");

            Console.WriteLine("2. Tìm thông tin liên lạc");

            Console.WriteLine("3. Hiển thị danh bạ");

            Console.WriteLine("4. Thoát");

            Console.WriteLine("Nhập: ");

        }



        private static void Input(int n, Hashtable hash)

        {

            for(int i =0; i < n; i++)

            {

                Tab phone = new Tab();

                phone.Input();

                hash.Add(phone.Name, phone.PhoneNumber);

            }

        }

        private static void Display(Hashtable hash)

        {

            ICollection key = hash.Keys;



            foreach (string h in key)

            {

                Console.WriteLine(h + ": " + hash[h]);

            }



        }



        private static void Search(Hashtable hash)

        {

            ICollection key = hash.Keys;

            Console.WriteLine("Nhập tên cần tìm: ");

            string name = Console.ReadLine();

            foreach (string l in key)

            {

                if (name.Equals(l))

                {

                    Console.WriteLine(l + ": " + hash[l]);

                }

                

            }

        }

    }

}

#tab.cs

using System;
using System.Text;


namespace BaiThiC
{
    class Tab
    {
        public string Name { get; set; }

        public int PhoneNumber { get; set; }

        public void Input()
        {
            bool ischeck = true;
            while (ischeck)
            {
                Console.OutputEncoding = Encoding.UTF8;

                Console.Write("Nhập tên: ");
                Name = Console.ReadLine();
                if (string.IsNullOrEmpty(Name) == false)
                {
                    ischeck = false;
                }
                else
                {
                    Console.WriteLine("Lỗi.");
                }
            }
            Console.WriteLine("Nhập số điện thoại: ");
            PhoneNumber = Int32.Parse(Console.ReadLine());
        }

        public void Display()
        {
            Console.WriteLine("Tên: {0}; Số điện thoại: {1}", Name, PhoneNumber);
        }

    }
}

hoangduyminh

2020-06-05 08:50:48

using System;
using System.Collections;
using System.Collections.Generic;

namespace ThucHanh
{
    class Program
    {
        static void Main(string[] args)
        {
            Hashtable hashtable = new Hashtable();
            int choose;
            do
            {
                showMenu();
                choose = int.Parse(Console.ReadLine());

                switch (choose)
                {
                    case 1:
                        for(; ; )
                        {
                            Console.WriteLine("Nhap vao contact :");
                            People people = new People();
                            people.input();

                            hashtable.Add(People.Name, People.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 = hashtable.Keys;

                        foreach (string k in key01)
                        {
                            if (k.Equals(name))
                            {
                                Console.WriteLine(hashtable[k]);
                            }
                        }
                        if (!hashtable.ContainsKey(name))
                        {
                            Console.WriteLine("Not found");
                        }
          
                        break;
                    case 3:
                        ICollection key = hashtable.Keys;

                        foreach (string k in key)
                        {
                            Console.WriteLine(k + " :" + hashtable[k]);
                        }
            
                        break;
                    case 4:
                        Console.WriteLine("Thoat");
                        break;
                    default:
                        Console.WriteLine("Error!!");
                        break;
                }

            } while (choose != 5);
            
        }
        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. Thoat");
            Console.WriteLine("Chon:");
        }
    }
}

using System;
using System.Collections.Generic;
using System.Text;

namespace ThucHanh
{
    public class People
    {
        string  Name { get; set; }
        string PhoneNumber { get; set; }
        public People()
        {

        }
        public void input()
        {
            Console.WriteLine("Nhap vao Name:");
            Name = Console.ReadLine();
            Console.WriteLine("Nhap vao phoneNumber:");
            PhoneNumber = Console.ReadLine();
        }
        public void display()
        {
            Console.WriteLine("Name : {0}, PhoneNumber: {1}", Name, PhoneNumber);
        }
    }
}

[Examination] Thi thực hành môn C# - C Sharp

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Trần Văn Lâm

#ContactManager.cs

#HasdTable.cs

hainguyen

#HashTable.cs

#Program.cs

Hoàng Quang Huy

Nguyễn Hoàng Anh

Ngô Quang Huy

trung

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hoangduyminh