File load problem

Question

Hi,
I tried a few things but no success yet.
I have class Item -> productcode
class StockItem extends Item -> pr, qty
class Book1 extends StockItem -> auth, pub, yr, cat
class Reference1 extends Book1 -> ref
I think I am getting something wrong with the code below.
The complete code is at:
http://www.multiline.com.au/~wje/java/question.html
This is the error message I get:
D:\Assignment2.java:992: cannot resolve symbol
symbol : constructor Reference1 (java.lang.String,java.lang.String,java.lang.String,java.lang.String,java.lang.String,java.lang.String,java.lang.String,java.lang.String)
location: class Reference1
item = new Reference1(code,pr,qty,auth,pub,yr,cat,ref);
^
1 error
public void load(String fileName) {
    try {
      java.util.List lineBuffers = readBookStoreFile(fileName);
      this.fileName = fileName;
      Map map = new HashMap();
      Item item;
      items = new Vector();
      for (int i = 0; i < lineBuffers.size(); i++) {     
        String buffer = (String)lineBuffers.get(i);
        StringTokenizer tokens = new StringTokenizer(buffer, ",");
        if (tokens.countTokens() != 8)
          throw new RuntimeException("Line with incorrect token count");
        String code = tokens.nextToken();
        String pr = tokens.nextToken();
        String qty = tokens.nextToken(); 
          String auth = tokens.nextToken();       
        String pub = tokens.nextToken();
        String yr = tokens.nextToken();
        String cat = tokens.nextToken();
        String ref = tokens.nextToken();        
        item = (Reference1)map.get(code);
        if (item == null) {
          item = new Reference1(code,pr,qty,auth,pub,yr,cat,ref);
          items.addElement(item);
        map.put(code, item);
    catch (Exception e) {
      e.printStackTrace();
      System.exit(1);
  }Thank you in advance for your help
Andonny

Answer 1

The class Reference1 does not have a Constructor that accepts 8 strings as argument.