import java.util.ArrayList;
import com.paypal.svcs.types.ap.InvoiceItem;
import java.io.UnsupportedEncodingException;
import com.paypal.core.NVPUtil;
import java.util.Map;
<BUG>public class InvoiceData{
private List<InvoiceItem> item = new ArrayList<InvoiceItem>();</BUG>
private Double totalTax;
private Double totalShipping;
public InvoiceData (){

import java.util.ArrayList;
import com.paypal.svcs.types.ap.InvoiceItem;
import java.io.UnsupportedEncodingException;
import com.paypal.core.NVPUtil;
import java.util.Map;
public class InvoiceData{
private static final String nameSpace="com.paypal.svcs.types.ap";
private static final String preferredPrefix="";
private List<InvoiceItem> item = new ArrayList<InvoiceItem>();
private Double totalTax;
private Double totalShipping;
public InvoiceData (){
