/*- * See the file LICENSE for redistribution information. * * Copyright (c) 2002-2006 *	Oracle Corporation.  All rights reserved. * * $Id: SupplierKey.java,v 12.4 2006/08/24 14:45:53 bostic Exp $ */package collections.ship.basic;import java.io.Serializable;/** * A SupplierKey serves as the key in the key/data pair for a supplier entity. * * <p>In this sample, SupplierKey is used both as the storage entry for the key * as well as the object binding to the key.  Because it is used directly as * storage data using serial format, it must be Serializable. </p> * * @author Mark Hayes */public class SupplierKey implements Serializable {    private String number;    public SupplierKey(String number) {        this.number = number;    }    public final String getNumber() {        return number;    }    public String toString() {        return "[SupplierKey: number=" + number + ']';    }}