Your problem is that you don't put anything in the String customerType. Just add the commented line.
import java.text.NumberFormat;
import java.util.*;
public class ValidatedInvoiceApp
{
...
Type: Posts; User: Brt93yoda
Your problem is that you don't put anything in the String customerType. Just add the commented line.
import java.text.NumberFormat;
import java.util.*;
public class ValidatedInvoiceApp
{
...