Answer:
See explaination for the program code
Explanation:
//SocSecProcessor.java:
import java.util.Scanner;
public class SocSecProcessor
{
public static void main (String [] args)
{
Scanner keyboard = new Scanner (System.in);
String name;
String socSecNumber;
String response;
char answer = 'Y';
while (Character.toUpperCase(answer) == 'Y')
{
try
{
// Task #2 step 1 - To do:
// promote user to enter name and ssn number.
// save the input to variable name and SocSecNumber. Such as:
// System.out.print("Name? ");
// name = keyboard.nextLine();
// validate SSN number by calling isValid(socSecNumber).
// output the checking result.
System.out.print("Name?");
name = keyboard.nextLine();
System.out.print("SSN?");
socSecNumber = keyboard.nextLine();
if(isValid(socSecNumber)){
System.out.println(name + " " + socSecNumber + "is Valid");
}
}
catch (SocSecException e) // To do: catch the SocSecException
{
System.out.println(e.getMessage());
}
System.out.print("Continue? ");
response = keyboard.nextLine();
answer = response.charAt(0);
}
}
private static boolean isValid(String number)throws SocSecException
{
boolean goodSoFar = true;
int index = 0;
// To do: Task #2 step 2
// 1. check the SSN length. Throw SocSecException if it is not 11
if (number.length() != 11)
{
throw new SocSecException("wrong number of characters ");
}
for( index=0;index<number.length();++index){
if(index==3 || index==6){
if (number.charAt(index) != '-'){
throw new SocSecException("dashes at wrong positions");
}
}else if (!Character.isDigit(number.charAt(index))){
throw new SocSecException("contains a character that is not a digit");
}
}
// 2. check the two "-" are in right position. Throw SocSecException if it is not
// if (number.charAt(3) != '-')
// 3. check other position that should be digits. Throw SocSecException if it is not
// if (!Character.isDigit(number.charAt(index)))
return goodSoFar;
}
}
See attachment
