Пример #1
0
        static void Main(string[] args)
        {
            /*
             *  1. Add the required classes to make the following code compile.
             *  HINT: Use a Dictionary in the AddressBook class to store Contacts. The key should be the contact's email address.
             *
             *  2. Run the program and observe the exception.
             *
             *  3. Add try/catch blocks in the appropriate locations to prevent the program from crashing
             *  Print meaningful error messages in the catch blocks.
             */

            // Create a few contacts
            Contact bob = new Contact()
            {
                FirstName = "Bob",
                LastName  = "Smith",
                Email     = "*****@*****.**",
                Address   = "100 Some Ln, Testville, TN 11111"
            };
            Contact sue = new Contact()
            {
                FirstName = "Sue",
                LastName  = "Jones",
                Email     = "*****@*****.**",
                Address   = "322 Hard Way, Testville, TN 11111"
            };
            Contact juan = new Contact()
            {
                FirstName = "Juan",
                LastName  = "Lopez",
                Email     = "*****@*****.**",
                Address   = "888 Easy St, Testville, TN 11111"
            };


            // Create an AddressBook and add some contacts to it
            AddressBook addressBook = new AddressBook();

            addressBook.AddContact(bob);
            addressBook.AddContact(sue);
            addressBook.AddContact(juan);

            // Try to addd a contact a second time
            addressBook.AddContact(sue);


            // Create a list of emails that match our Contacts
            List <string> emails = new List <string>()
            {
                "*****@*****.**",
                "*****@*****.**",
                "*****@*****.**",
            };

            // Insert an email that does NOT match a Contact
            emails.Insert(1, "*****@*****.**");


            //  Search the AddressBook by email and print the information about each Contact
            foreach (string email in emails)
            {
                try
                {
                    Contact contact = addressBook.GetByEmail(email);
                    Console.WriteLine("----------------------------");
                    Console.WriteLine($"Name: {contact.FullName}");
                    Console.WriteLine($"Email: {contact.Email}");
                    Console.WriteLine($"Address: {contact.Address}");
                }
                catch (NullReferenceException ex)
                {
                    Console.WriteLine("Contact not found");
                }
            }
        }
        public void AddAddressBook(string addressBookName)
        {
            AddressBook newAddressBook = new AddressBook();

            collectionAddressBook.Add(addressBookName, newAddressBook);
        }
Пример #3
0
        /*
         *  1. Add the required classes to make the following code compile.
         *  HINT: Use a Dictionary in the AddressBook class to store Contacts. The key should be the contact's email address.
         *
         *  2. Run the program and observe the exception.
         *
         *  3. Add try/catch blocks in the appropriate locations to prevent the program from crashing
         *      Print meaningful error messages in the catch blocks.
         */

        static void Main(string[] args)
        {
            // Create a few contacts
            Contact bob = new Contact()
            {
                FirstName = "Bob",
                LastName  = "Smith",
                Email     = "*****@*****.**",
                Address   = "100 Some Ln, Testville, TN 11111"
            };
            Contact sue = new Contact()
            {
                FirstName = "Sue",
                LastName  = "Jones",
                Email     = "*****@*****.**",
                Address   = "322 Hard Way, Testville, TN 11111"
            };
            Contact juan = new Contact()
            {
                FirstName = "Juan",
                LastName  = "Lopez",
                Email     = "*****@*****.**",
                Address   = "888 Easy St, Testville, TN 11111"
            };


            // Create an AddressBook and add some contacts to it

            AddressBook addressBook = new AddressBook();

            try
            {
                addressBook.AddContact(bob);
                addressBook.AddContact(sue);
                addressBook.AddContact(juan);
                addressBook.AddContact(sue);
            }
            catch
            {
                System.Console.WriteLine("You messed it up");
            }


            // Try to addd a contact a second time


            // Create a list of emails that match our Contacts
            List <string> emails = new List <string>()
            {
                "*****@*****.**",
                "*****@*****.**",
                "*****@*****.**",
            };

            // Insert an email that does NOT match a Contact
            emails.Insert(1, "*****@*****.**");


            //  Search the AddressBook by email and print the information about each Contact
            foreach (string email in emails)
            {
                try
                {
                    Contact contact = addressBook.GetByEmail(email);
                    Console.WriteLine("----------------------------");
                    Console.WriteLine($"Name: {contact.FullName}");
                    Console.WriteLine($"Email: {contact.Email}");
                    Console.WriteLine($"Address: {contact.Address}");
                }
                catch (System.NullReferenceException)
                {
                    System.Console.WriteLine("These arent the droids you're looking for");
                }
            }
        }
Пример #4
0
        static void Main(string[] args)
        {
            MultipleAddressBook collectionAddressBook = new MultipleAddressBook();
            AddressBook         newAddressBook        = new AddressBook();
            bool option1 = true;

            while (option1)
            {
StartAddressBook:
                Console.WriteLine("Enter your choice: 1. Add adress book, 2.Open address book," +
                                  "3. View persons by City, 4. View Person by State, 5.Exit");
                int    option = int.Parse(Console.ReadLine());
                string addressBookName;
                switch (option)
                {
                case 1:
                    Console.WriteLine("Enter name of address book");
                    addressBookName = Console.ReadLine();
                    bool duplicateFirstNameCheck = collectionAddressBook.CheckDuplicateFirstName(addressBookName);
                    if (duplicateFirstNameCheck == false)
                    {
                        Console.WriteLine("Address Book with this fist name already exists");
                        goto StartAddressBook;
                    }
                    collectionAddressBook.AddAddressBook(addressBookName);
                    newAddressBook = collectionAddressBook.GetAddressBook(addressBookName);
                    break;

                case 2:
                    Console.WriteLine("Enter first name of address book to be opened");
                    addressBookName = Console.ReadLine();
                    newAddressBook  = collectionAddressBook.GetAddressBook(addressBookName);
                    if (newAddressBook == null)
                    {
                        Console.WriteLine("No such Address Book");
                        goto StartAddressBook;
                    }
                    break;

                case 3:
cityEntry:
                    Console.WriteLine("Enter city name whose person details you want");
                    string cityRequired = Console.ReadLine();
                    Dictionary <string, Contact> cityDictionary = collectionAddressBook.CityDictionary();
                    int cityCount = 0;
                    foreach (var dict in cityDictionary)
                    {
                        if (cityDictionary.ContainsKey(cityRequired))
                        {
                            Console.WriteLine("First Name:" + dict.Value.firstName + "Last Name:" + dict.Value.lastName +
                                              "Address:" + dict.Value.address + "City:" + dict.Value.city
                                              + "State:" + dict.Value.state + "pincode:" + dict.Value.phone + "phone: " + dict.Value.phone + "email address:" + dict.Value.email + "\n");
                        }
                        else
                        {
                            Console.WriteLine("City doesn't exist");
                            goto cityEntry;
                        }
                        cityCount++;
                    }
                    Console.WriteLine("Total cities : " + cityCount);
                    break;

                case 4:
stateEntry:
                    Console.WriteLine("Enter state name whose person details you want");
                    string stateRequired = Console.ReadLine();
                    Dictionary <string, Contact> stateDictionary = collectionAddressBook.StateDictionary();
                    int stateCount = 0;
                    foreach (var dict in stateDictionary)
                    {
                        if (stateDictionary.ContainsKey(stateRequired))
                        {
                            Console.WriteLine("First Name:" + dict.Value.firstName + "Last Name:" + dict.Value.lastName +
                                              "Address:" + dict.Value.address + "City:" + dict.Value.city
                                              + "State:" + dict.Value.state + "pincode:" + dict.Value.phone + "phone: " + dict.Value.phone + "email address:" + dict.Value.email + "\n");
                        }
                        else
                        {
                            Console.WriteLine("State doesn't exist");
                            goto stateEntry;
                        }
                        stateCount++;
                    }
                    Console.WriteLine("Total states : " + stateCount);
                    break;

                case 5:
                    option1 = false;
                    break;

                default:
                    Console.WriteLine("Enter correct option");
                    goto StartAddressBook;
                }
                while (option1 == true)
                {
                    Console.WriteLine("Welcome to Address Book!");
                    int a = 1;
                    while (a == 1)
                    {
                        if (newAddressBook == null)
                        {
                            break;
                        }

                        List <Contact> list = new List <Contact>();
                        Console.WriteLine("Enter your choice: 0.Add the data, 1.View the data, 2.Edit the contact, 3.Remove contact, " +
                                          "4. Go to multiple address book option, 5. Display Person Name Alphabetically,6. Display City Name Alphabetically, " +
                                          "7. Display State Name Alphabetically,8. Display Zip Code serially,9.Exit");
                        int choice = int.Parse(Console.ReadLine());
                        switch (choice)
                        {
                        case 0:
                            newAddressBook.Input();
                            break;

                        case 1:
                            newAddressBook.display();
                            break;

                        case 2:
                            Console.WriteLine("Enter the first name of contacts to be edited");
                            string first = Console.ReadLine();
                            int    check = newAddressBook.Edit(first);
                            if (check == 0)
                            {
                                Console.WriteLine("Name not found");
                            }
                            break;

                        case 3:
                            Console.WriteLine("Enter the fist name of contact to be removed");
                            first = Console.ReadLine();
                            newAddressBook.Remove(first);
                            break;

                        case 4:
                            goto StartAddressBook;

                        case 5:
                            newAddressBook.DiplayAlphabeticallyByPersonName();
                            goto StartAddressBook;

                        case 6:
                            newAddressBook.DiplayAlphabeticallyByCityName();
                            goto StartAddressBook;

                        case 7:
                            newAddressBook.DiplayAlphabeticallyByStateName();
                            goto StartAddressBook;

                        case 8:
                            newAddressBook.DiplayAlphabeticallyByZip();
                            goto StartAddressBook;

                        case 9:
                            a = 0;
                            break;

                        default:
                            Console.WriteLine("Enter correct choice");
                            break;
                        }
                        AddressBook.ImplementCSVDataDandling();
                        AddressBook.CsvToJSON();
                    }
                }
            }
        }