Contact Management system in C++ Language

C++/Contact_Management_system.cpp

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+#include <iostream>
+#include <vector>
+#include <string>
+#include <algorithm>
+
+using namespace std;
+
+struct Contact {
+    string name;
+    string phoneNumber;
+    string emailAddress;
+};
+
+class ContactManager {
+private:
+    vector<Contact> contacts;
+
+public:
+    void addContact(const Contact& contact) {
+        contacts.push_back(contact);
+        cout << "Contact added successfully!\n";
+    }
+
+    void viewContacts() {
+        if (contacts.empty()) {
+            cout << "No contacts available.\n";
+            return;
+        }
+
+        cout << "Contact List:\n";
+        for (const auto& contact : contacts) {
+            cout << "Name: " << contact.name << "\n";
+            cout << "Phone Number: " << contact.phoneNumber << "\n";
+            cout << "Email Address: " << contact.emailAddress << "\n\n";
+        }
+    }
+
+    void editContact(const string& name) {
+        auto it = find_if(contacts.begin(), contacts.end(),
+                          [&name](const Contact& contact) {
+                              return contact.name == name;
+                          });
+
+        if (it != contacts.end()) {
+            cout << "Enter new information for the contact:\n";
+            cout << "New Name: ";
+            cin.ignore();
+            getline(cin, it->name);
+            cout << "New Phone Number: ";
+            getline(cin, it->phoneNumber);
+            cout << "New Email Address: ";
+            getline(cin, it->emailAddress);
+            cout << "Contact updated successfully!\n";
+        } else {
+            cout << "Contact not found.\n";
+        }
+    }
+
+    void deleteContact(const string& name) {
+        auto it = remove_if(contacts.begin(), contacts.end(),
+                            [&name](const Contact& contact) {
+                                return contact.name == name;
+                            });
+
+        if (it != contacts.end()) {
+            contacts.erase(it, contacts.end());
+            cout << "Contact deleted successfully!\n";
+        } else {
+            cout << "Contact not found.\n";
+        }
+    }
+};
+
+int main() {
+    ContactManager contactManager;
+    int choice;
+
+    do {
+        cout << "\nContact Management System\n";
+        cout << "1. Add Contact\n";
+        cout << "2. View Contacts\n";
+        cout << "3. Edit Contact\n";
+        cout << "4. Delete Contact\n";
+        cout << "0. Exit\n";
+        cout << "Enter your choice: ";
+        cin >> choice;
+
+        switch (choice) {
+            case 1: {
+                Contact newContact;
+                cout << "Enter Name: ";
+                cin.ignore();
+                getline(cin, newContact.name);
+                cout << "Enter Phone Number: ";
+                getline(cin, newContact.phoneNumber);
+                cout << "Enter Email Address: ";
+                getline(cin, newContact.emailAddress);
+                contactManager.addContact(newContact);
+                break;
+            }
+            case 2:
+                contactManager.viewContacts();
+                break;
+            case 3: {
+                string editName;
+                cout << "Enter the name of the contact to edit: ";
+                cin.ignore();
+                getline(cin, editName);
+                contactManager.editContact(editName);
+                break;
+            }
+            case 4: {
+                string deleteName;
+                cout << "Enter the name of the contact to delete: ";
+                cin.ignore();
+                getline(cin, deleteName);
+                contactManager.deleteContact(deleteName);
+                break;
+            }
+            case 0:
+                cout << "Exiting the program. Goodbye!\n";
+                break;
+            default:
+                cout << "Invalid choice. Please try again.\n";
+        }
+
+    } while (choice != 0);
+
+    return 0;
+}