Write a program in Java that does the following: 1. Asks the user for an unforma

Question

Write a program in Java that does the following:

1. Asks the user for an unformatted 10 digit phone number:

It should look like this:

Enter an unformatted 10-Digit telephone number in the format XXXXXXXXXX:

Make sure that 10 digits are entered - no more or less.

2. Takes the unformatted 10-digit telephone number and formats it into a 13 character phone number with () and -

It should look like this:

Enter an unformatted 10-Digit telephone number in the format XXXXXXXXXX: 1234567890

Formatted: (123)456-7890

3. Now asks for a formatted 13-character phone number:

It should look like this:

Now enter a 13-character (including () and - ) telephone number formatted as (XXX) - XXX - XXXX

Make sure that 13 characters are entered - no more or less.

4. Takes the formatted 13-character phone number and unformats it into a 10 digit number

It should look like this:

Now enter a 13-character (including () and - ) telephone number formatted as (XXX) - XXX - XXXX

(987) - 654 - 3210

Unformatted: (987) - 654 - 3210

Explanation / Answer

import java.util.Scanner;

public class Telephone {
   public static void main(String[] args) {
       // TODO Auto-generated method stub
       Scanner scan = new Scanner(System.in);
       String a,b,c,d;
       System.out.print("Enter 10 digit number:");
       a = scan.next();
       b = "(" +a.substring(0,3) + ")" + a.substring(3,6) +"-"+a.substring(6,10);
       System.out.println("Formatted: "+b);
       System.out.print("Enter 13 digit number:");
       c = scan.next();
       d = c.substring(1,4) + c.substring(5,8) + c.substring(9,13);
       System.out.println("Unformatted: "+d);
      
   }

}

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