Example 7.19 	LineItem 

import java.util.Date;

public class LineItem {
    String  productId;
    float   price;
    int     quantity;
    Date    deliveryDate;

    public LineItem(LineItemTO lineItem) {
        this.productId = lineItem.getProductId();
        this.price = lineItem.getPrice();
        this.quantity = lineItem.getQuantity();
        this.deliveryDate = lineItem.getDeliveryDate();
    }
}