public class ReadWithScanner {
  public static void main(String []args) {
  
    TelephoneNumber[] numbers;
    numbers = readTelephoneNumbers("telephone-list.txt");
    printTelephoneNumbers(numbers);
  }
  
  public static void printTelephoneNumbers(TelephoneNumber[] numbers) {
    for(TelephoneNumber number : numbers) {
      System.out.println(number);
    }
  }
  
  public static TelephoneNumber[] readTelephoneNumbers(String filename) {
    String firstname, lastname;
    
    long number;
    int i=0;
    TelephoneNumber numbers[] = new TelephoneNumber[5];
    try(Scanner sc = new Scanner(new File(filename))) {
      
      while( sc.hasNext() ) {        
        firstname = sc.next();
        lastname = sc.next();
        number = sc.nextLong();

        numbers[i++] = new TelephoneNumber(firstname+" "+lastname, number);
      }
      
    } catch(InputMismatchException ex) {
      System.out.println("Invalid file contents!");
    } catch(FileNotFoundException ex) {
      System.out.println("Unable to open '"+filename+"'");
    }
    
    return numbers;
  }
  
}