/* Copyright 2019. All Rights Reserved. */

import java.io.*;

/**
 * Implementation of Note.
 * Contains methods to add, edit or remove content in a note.
 */
public class Note {

  /**
   * Loads dependencies and starts the application.
   */
  public static void main (String[] args) {
    final String ADD_NOTE = "1";
    //Add note
    try {
      if (getUserInput().equals(ADD_NOTE)) {
        Note note = new Note();
        note.add(getContent());
      }
    } catch (InvalidInputException iie) {
      System.out.println("Not a valid input!");
    }
  }

  /**
   * Returns user input.
   */
  static String getUserInput() throws InvalidInputException {
    ...
  }
}