Question

create a program that does a similar thing, but checks for authentic Social Security numbers. Here are two links that can help with the details. Social Security website and Social Security History website. I have to create The String with Java

Answer 1

import java.util.regex.*;

public class SSNvalidator {

    public static boolean isValidSSN(String str)

    {

        // Regex to check SSN (Social Security Number).

        String regex = "^(?!666|000|9\\d{2})\\d{3}-(?!00)\\d{2}-(?!0{4})\\d{4}$";

        Pattern p = Pattern.compile(regex);

        if (str == null) {

            return false;

        }

        Matcher m = p.matcher(str);

        return m.matches();

    }

    public static void main(String args[])

    {

        // Test Case 1:

        String str1 = "856-45-6789";

        System.out.println(isValidSSN(str1));

        // Test Case 2:

        String str2 = "000-45-6789";

        System.out.println(isValidSSN(str2));

        // Test Case 3:

        String str3 = "856-452-6789";

        System.out.println(isValidSSN(str3));

        // Test Case 4:

        String str4 = "856-45-0000";

        System.out.println(isValidSSN(str4));

    }

}

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