private static void lookupEntry(InOut in, AddressBook book) { String name = in.nextLine("Enter name: "); String key = in.nextLine("Enter key: "); String value = book.get(name, key); if (value == null) in.message("No entry"); else in.message("Value: " + value); }
private static void removeEntry(InOut in, AddressBook book) { String name = in.nextLine("Enter name: "); String key = in.nextLine("Enter key: "); String value = book.remove(name, key); if (value == null) in.message("entry not found"); else in.message("Removed entry with value: " + value); }
private static void addChangeEntry(InOut in, AddressBook book) { String name = in.nextLine("Enter name: "); String key = in.nextLine("Enter key: "); String value = in.nextLine("Enter value: "); String oldValue = book.put(name, key, value); if (oldValue == null) in.message("Entry added"); else in.message("Entry updated"); }