From  test class -

// set the 3 bids
	    Bid[]newBid;
	    newBid = new Bid[5];
	    BidHelper helper1 = new BidHelper();
	    for (int x = 0; x < 4; ++x) {
	    newBid[x] =    new Bid();
	    //additional validation needed in the next release
	    String newbiduser =  helper1.getUserInput("Enter Bidder Number 1-3 " );
		int    u  =    Integer.parseInt(newbiduser);
		//check value statement
		//System.out.println(biuser(u));
		String newbidinput = helper1.getUserInput("Enter Bid    ");
		int    newbid =      Integer.parseInt(newbidinput);
		System.out.println(newbid);


		//major changes

		newBid[x].setBidder(buser[u]);

		// check value statement
		System.out.println(newBid[x].getBidder());


public class User {
	//private String bidrate;
	// Class User. A user has an identifier, a rating, and an array of
	//items purchased in auctions.
	private String biduser;
	//private int bidrating;
	private int  totalrating;
  	  public String getUserid()
	  { return getBiduser();
	  }
	  public void setUserid(String id)
	  {  setBiduser(id);
	  }
	 public void addRating(int rating)
	 { totalrating =  rating + totalrating;
	 }
	  public int getRating()
	  { return totalrating;
	   }
	public void setBiduser(String biduser) {
		this.biduser = biduser;
	}
	public String getBiduser() {
		return biduser;
	}
}













public class Bid {
	  //private String bidder;
	  private int    bidAmount;
	  private int    Bidid;
	  private int    totalbidamount;
	  private String totalbidder;
	  private User bidder = new User();

	//return the value
	   public User getBidder()
	  { return bidder;
	  }
	  public void setBidder(User u)
	  {  bidder.setUserid(u);
	  }



	  // returns the value
	   public int getBidId() {
	   return Bidid; }
	// sets the value
	   public void setBidId(int id) {
	   Bidid = id;
	   }

	  public int getBidAmount()
	  {  return bidAmount ;
	  }
	  public void setBidAmount(int amount)
	  {  bidAmount = amount;
	  }