/** For our user login accounting program, a user is a person who has
 *  account on the system.  We are interested in keeping track of the
 *  person's username (a String) and a count of the number of times that
 *  user has logged in.
 *  Later, we may want to improve the program by adding an attribute that
 *  sums the total time (minutes) the person was logged in.
 */
public class User
{
  private String name;
  private int numLogins;

  /** Constructor:  When we want to create a user on the system,
   *  it is reasonable to expect the person will be given a name
   *  but no logins yet.  But to be flexible, let's make both variables
   *  parameters, so it'll become a typical initial-value constructor.
   */
  public User (String name, int numLogins)
  {
    this.name = name;
    this.numLogins = numLogins;
  }

  // At some point we may wish to retrieve a user's attributes.
  // Note that with Javadoc, it's not necessary to include the name
  // of the function in the comment. 

  /** Return the String containing the user's username.
   */
  public String getName()
  {
    return name;
  }

  /** Return the number of logins associated with this user's account.
   */
  public int getNumLogins()
  {
    return numLogins;
  }

  /** Return a string representation of the user object.
   *  Here's something to think about:  how would we change this function
   *  if we wanted the word "logins" to be singular if numLogins is 1?
   */
  public String toString()
  {
    return String.format("%-8s %4d logins", name, numLogins);
  }

  /** Provide a way for us to add 1 to the number of logins.
   */
  public void addLogin()
  {
    ++numLogins;
  }
}