Homework - Help with a Java GUI assignment

/*
 * SSNArray.java
 *
 * Created on February 28, 2008, 9:45 AM
 *
 * To change this template, choose Tools | Template Manager
 * and open the template in the editor.
 */

package exceptionhandling;

import java.util.InputMismatchException; // program uses class InputMismatchException
import org.omg.PortableInterceptor.ORBInitInfoPackage.DuplicateName;

/**
 *
 * @author mer81348
 */
public class SSNArray
{
    public static int SOCIAL_SECURITY_NUMBERS = 10;
    private String[] socialArray = new String[SOCIAL_SECURITY_NUMBERS];
    private int socialCount = 0;
    
    /** Creates a new instance of SSNArray */
    public SSNArray ()
    {
    }
    
    public SSNArray ( String[] ssnArray, int socialNumber )
    {
        
        socialArray = ssnArray;
        socialCount = socialNumber;
        
    }
    public int getSocialCount ()
    {
        return socialCount;
    }
    
    public String[] getSocialArray ()
    {
        return socialArray;
    }
    
    public void addSocial ( String index )
    {
        socialArray[socialCount] = index;
        socialCount++;
    }
    
    public String toString ()
    {
        StringBuilder socialString = new StringBuilder ();
        
        for ( int stringValue = 0; stringValue < socialCount; stringValue++ )
        {
            socialString.append ( String.format ("%6d%32s\n", stringValue, socialArray[stringValue] ) );
        }
        
        return socialString.toString ();
    }
    
    public void validateSSN ( String socialInput ) throws InputMismatchException, DuplicateName
    {
        if (socialInput.matches ("\\d{9}"))
            
            return;
        
        else
            
            throw new InputMismatchException ("ERROR! Incorrect data format");        
    }    
    
}

/*
 * SSNArrayTest.java
 *
 * Created on February 28, 2008, 9:46 AM
 *
 * To change this template, choose Tools | Template Manager
 * and open the template in the editor.
 */

package exceptionhandling;

import java.util.InputMismatchException; // program uses class InputMismatchException
import java.util.Scanner; // program uses class Scanner
import org.omg.PortableInterceptor.ORBInitInfoPackage.DuplicateName;

/**
 *
 * @author mer81348
 */
public class SSNArrayTest
{
    
    /** Creates a new instance of SSNArrayTest */
    public SSNArrayTest ()
    {
    }
    
    /**
     * @param args the command line arguments
     */
    public static void main (String[] args)
    {
        
        // create Scanner to obtain input from command window
        Scanner input = new Scanner ( System.in );
        
        System.out.printf ( "\nWELCOME TO SOCIAL SECURITY NUMBER CONFIRMER\n" );
        
        SSNArray arrayStorage = new SSNArray ();
        
        for( int socialNumber = 0; socialNumber < SSNArray.SOCIAL_SECURITY_NUMBERS; )
        {
            String socialString = ( "\nPlease enter a Social Security Number" );
            System.out.println (socialString);
            String socialInput = input.next ();
                       
            try
            {
                arrayStorage.validateSSN (socialInput);
                
                arrayStorage.addSocial (socialInput);
                socialNumber++;
                
            }
            
            catch (InputMismatchException e)
            {               
                System.out.println ( "\nPlease reenter Social Security Number\n" + e.getMessage() );
            }
            
            catch (DuplicateName e)
            {
                
            }
        
        }
        
        System.out.printf ("\nHere are all your Social Security Numbers stored in our database:\n");
        System.out.printf ( "\n%8s%32s\n", "Database Index", "Social Security Numbers" );
        
        System.out.println (arrayStorage);
        
    }
}

/*
 * SSNArrayExpanded.java
 *
 * Created on February 28, 2008, 9:52 AM
 *
 * To change this template, choose Tools | Template Manager
 * and open the template in the editor.
 */

package exceptionhandling;

import java.util.InputMismatchException;
import org.omg.PortableInterceptor.ORBInitInfoPackage.DuplicateName;

/**
 *
 * @author mer81348
 */
public class SSNArrayExpanded extends SSNArray
{
    
    /** Creates a new instance of SSNArrayExpanded */
    public SSNArrayExpanded ()
    {
    }
    public SSNArrayExpanded ( String[] ssnArray, int socialNumber )
    {
        
        super ( ssnArray, socialNumber );
    }
    
    public void validateSSN ( String socialInput ) throws InputMismatchException, DuplicateName
    {
        super.validateSSN (socialInput);
        {
            int storedSocial = getSocialCount ();
            for (int socialMatch = 0; socialMatch < storedSocial; socialMatch++ )
            {
                if (socialInput.equals (getSocialArray () [socialMatch]))
                {
                    throw new DuplicateName ();
                }
            }
        }
        
        return;
    }
    
}

/*
 * SSNArrayTestExpanded.java
 *
 * Created on February 28, 2008, 9:53 AM
 *
 * To change this template, choose Tools | Template Manager
 * and open the template in the editor.
 */

package exceptionhandling;

import java.util.InputMismatchException; // program uses class InputMismatchException
import java.util.Scanner; // program uses class Scanner
import org.omg.PortableInterceptor.ORBInitInfoPackage.DuplicateName;

/**
 *
 * @author mer81348
 */
public class SSNArrayTestExpanded
{
    
    /** Creates a new instance of SSNArrayTest */
    public SSNArrayTestExpanded ()
    {
    }
    
    /**
     * @param args the command line arguments
     */
    public static void main (String[] args)
    {
        
        // create Scanner to obtain input from command window
        Scanner input = new Scanner ( System.in );
        
        System.out.printf ( "\nWELCOME TO SOCIAL SECURITY NUMBER CONFIRMER\n" );
        
        SSNArrayExpanded arrayStorage = new SSNArrayExpanded();  
        
        for( int socialNumber = 0; socialNumber < SSNArray.SOCIAL_SECURITY_NUMBERS; )
        {
            String socialString = ( "\nPlease enter a Social Security Number" );
            System.out.println (socialString);
            String socialInput = input.next ();
            
            
            try
            {
                arrayStorage.validateSSN (socialInput);
                
                arrayStorage.addSocial (socialInput);
                socialNumber++;
                
            }
            
            catch (InputMismatchException e)
            {                

            }
            
            catch (DuplicateName e)
            {
                System.out.println ( "\nSocial Security Number is already claimed!\n" + "ERROR: " + e.getMessage() );  
            }
            
        }
        
        System.out.printf ("\nHere are all your Social Security Numbers stored in our database:\n");
        System.out.printf ( "\n%8s%32s\n", "Database Index", "Social Security Numbers" );
        
        System.out.println (arrayStorage);
        
    }
}

System.out.printf ("\nHere are all your Social Security Numbers stored in our database:\n");
System.out.printf ( "\n%8s%32s\n", "Database Index", "Social Security Numbers" );
System.out.println ( arrayStorage );

try
{
File file = new File ("Social Security Numbers.txt");

// Create file if it does not exist
boolean success = file.createNewFile ();
if (success)
{
PrintWriter out = new PrintWriter(new BufferedWriter(new FileWriter("Social Security Numbers.txt"))); 
// BufferedWriter out = new BufferedWriter (new FileWriter ("Social Security Numbers.txt")); 

out.write( "How do I get the Social Security Numbers here?");
out.close ();
// File did not exist and was created
}
else
{
// File already exists
}
}
catch (IOException e)
{
} 

//JFileChooser program starts here

System.exit (0);
}

}