static void Main(string[] args)
{
PhoneBook phonebook = new PhoneBook();
ConsoleHandler consoleHandler = new ConsoleHandler();
FileHandler fileHandler = new FileHandler();
phonebook.addContact(fileHandler.readContactsFromJson());//reading from file for intial.
int choice;
choice = consoleHandler.selectFromMenu();; // shows the menu and returns the user's choice
while (choice != 5)
{
CallSwitch();
choice = consoleHandler.selectFromMenu(); //updation in while loop
}
void CallSwitch()
{
switch (choice)
{
case 1: phonebook.addContact(consoleHandler.getContactToCreate()); break;
case 2: consoleHandler.showContacts(phonebook.getContacts()); break;
case 3: phonebook.deleteContact(consoleHandler.getName()); break;
case 4: consoleHandler.showContacts(phonebook.getContacts(), phonebook.findContact(consoleHandler.getName())); break;
case 5: break;
default: Console.WriteLine(" You have entered a wrong option, Please Try again"); break;
}
}
fileHandler.exportAsJson(phonebook.getContacts()); // storing data into file.
}