Taskno.5

import java.util.ArrayList;
import java.util.Scanner;

class Contact {
    private String name;
    private String phoneNumber;
    private String emailAddress;

    // Constructor
    public Contact(String name, String phoneNumber, String emailAddress) {
        this.name = name;
        this.phoneNumber = phoneNumber;
        this.emailAddress = emailAddress;
    }

    // Getters
    public String getName() {
        return name;
    }

    public String getPhoneNumber() {
        return phoneNumber;
    }

    public String getEmailAddress() {
        return emailAddress;
    }
}

class AddressBook {
    private ArrayList<Contact> contacts;

    public AddressBook() {
        contacts = new ArrayList<>();
    }

    public void addContact(Contact contact) {
        contacts.add(contact);
    }

    public void removeContact(Contact contact) {
        contacts.remove(contact);
    }

    public Contact searchContact(String name) {
        for (Contact contact : contacts) {
            if (contact.getName().equalsIgnoreCase(name)) {
                return contact;
            }
        }
        return null;
    }

    public void displayAllContacts() {
        System.out.println("All Contacts:");
        for (Contact contact : contacts) {
            System.out.println("Name: " + contact.getName());
            System.out.println("Phone Number: " + contact.getPhoneNumber());
            System.out.println("Email Address: " + contact.getEmailAddress());
            System.out.println();
        }
    }
}

class AddressBookSystem {
    public static void main(String[] args) {
        AddressBook addressBook = new AddressBook();
        Scanner scanner = new Scanner(System.in);
        int choice;

        do {
            System.out.println("Address Book System Menu:");
            System.out.println("1. Add Contact");
            System.out.println("2. Remove Contact");
            System.out.println("3. Search Contact");
            System.out.println("4. Display All Contacts");
            System.out.println("5. Exit");
            System.out.print("Enter your choice: ");
            choice = scanner.nextInt();
            scanner.nextLine(); // Consume newline

            switch (choice) {
                case 1:
                    System.out.print("Enter Name: ");
                    String name = scanner.nextLine();
                    System.out.print("Enter Phone Number: ");
                    String phoneNumber = scanner.nextLine();
                    System.out.print("Enter Email Address: ");
                    String emailAddress = scanner.nextLine();

                    // Add validation for required fields here

                    Contact newContact = new Contact(name, phoneNumber, emailAddress);
                    addressBook.addContact(newContact);
                    System.out.println("Contact added successfully!");
                    break;
                case 2:
                    // Implement contact removal logic
                    break;
                case 3:
                    System.out.print("Enter Name to search: ");
                    String searchName = scanner.nextLine();
                    Contact foundContact = addressBook.searchContact(searchName);
                    if (foundContact != null) {
                        System.out.println("Contact found:");
                        System.out.println("Name: " + foundContact.getName());
                        System.out.println("Phone Number: " + foundContact.getPhoneNumber());
                        System.out.println("Email Address: " + foundContact.getEmailAddress());
                    } else {
                        System.out.println("Contact not found!");
                    }
                    break;
                case 4:
                    addressBook.displayAllContacts();
                    break;
                case 5:
                    System.out.println("Exiting Address Book System. Goodbye!");
                    break;
                default:
                    System.out.println("Invalid choice. Please try again.");
                    break;
            }
        } while (choice != 5);
        scanner.close();
    }
}