For loop over map in Java 1.6

gistfile1.java

private Map<CartItem, Integer> cart = new HashMap<CartItem, Integer>();

public Double getTotalItemFees() {
    Double fees = 0.0;
    for (Map.Entry<CartItem, Integer> entry : cart.entrySet()) {
        Integer quantity = entry.getValue();
        CartItem cartItem = entry.getKey();
        fees += (quantity * cartItem.getFee())
    }
    return fees;
}