Adapting multiple interfaces

Adapt IncomeData to the Customer and Contact interfaces. The adapter class is IncomeDataAdapter. Initialize countries before running the program. Mapping between country codes and country names: UA Ukraine US United States FR France If necessary, pad phone numbers with zeros to get 10 digits long (s

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Mateusz Level 29, Poland

16 September 2020, 10:01

If you have problems with phone number formatting, StringBuffer or StringBuilder come in handy :)

Nastya Level 19, Moscow, Russia

13 August 2020, 17:57

Maybe it can help Use String.format() "%010d" replaceAll("(\\d{3})(\\d{3})(\\d{2})(\\d{2})", "($1)$2-$3-$4")

Felix Level 19

22 April 2020, 22:48

"If necessary, pad phone numbers with zeros to get 10 digits long (see the examples)." Which examples?

Henrique Level 41, São Paulo, Brazil

29 June 2020, 14:49

I think it's referring to line 45. The given number is 9 digits long ("991234567", line 33), and it's padded with a "0" to make it 10 digits long on line 45 (after the country phone code).

Dave Andrea Level 41, Canada

8 April 2020, 19:38

I couldn't figure out why, but when using regex for the phone number, it only accepted it with a "." for each place value and not a "/d". In case anyone else gets stuck on that.

Naina Gupta Level 20, Kulu, India

11 February 2020, 17:46

Can't figure out what I am doing wrong when forming the phone number.

Roman Level 41

13 February 2020, 06:30

Please post your question with the attached solution in the section Help.