need help on raptor part Many websites ask for phone numbers. The problem is tha

Question

need help on raptor part
Many websites ask for phone numbers. The problem is that there are so many different ways to represent a phone number. Examples include 817-555-1234, 817 555 1234 (c), and (817) 555-1234 x23. Write a Raptor program which inputs a string containing a phone number in any format and outputs it in the standard format. For this assignment, the standard format is (817) 555-1234.


Sample Output(inputs in bold) Please enter a phone number: 817-555-1234 The properly formatted number is (817) 555-1234 Please enter a phone number: (817)515 7259 x23 The phone number must have 10 digits Please enter a phone number: 214 555 9999 (c) The properly formatted number is (214) 555-9999 Please enter a phone number: 800**4444xxx333 The properly formatted number is (800) 444-4333

Explanation / Answer

package chegg1.com;

import java.util.Scanner;

public class PhoneNumberFormat {

   public static void main(String[] args) {
       Scanner sc = new Scanner(System.in);
       String choice = "";
       do{
           System.out.println("Please Enter the phone number : ");
           String input = sc.nextLine();
      
           String correctFormat = formatPhoneNumber(input);
           if(correctFormat.equalsIgnoreCase("Invalid")){
               System.out.println(" The phone number must have 10 digits ");
           }else{
               System.out.println("Propely formatted number is : "+ correctFormat);
           }
           System.out.println("do you want test more : (y/?) : ");
           choice = sc.nextLine();
       }while(choice.equalsIgnoreCase("y"));
   }

   private static String formatPhoneNumber(String input) {
       byte[] bytes = input.getBytes();
       int lengthCount = 0;
       String properNumber="";
       for (byte tempByt : bytes) {
       char tempChar = (char) tempByt;
// checking if the number is digit then merge the number with properformattednumber
       if (Character.isDigit(tempChar)) {
   if(lengthCount == 0){
       properNumber = "(";
   }
   if(lengthCount == 3){
       properNumber = properNumber + ")";
   }
   if(lengthCount == 6){
       properNumber = properNumber + "-";
   }
   properNumber = properNumber + tempChar;
           lengthCount++;
   }
   }
       if(lengthCount == 10){
           return properNumber;
       }
       else{
           return "Invalid";
       }
      
   }
}

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