If instances in your implementation ever get passivated, the inventory Iterator will be null — or worse, have some undefined value from another session!
如果在您的实现中不对实例进行钝化，那么“inventory”Iterator将为空，或者更糟，具有来自另一个对话的未定义的值。
If instances in your implementation ever get passivated, the inventory Iterator will be null — or worse, have some undefined value from another session!
如果在您的实现中不对实例进行钝化，那么“inventory”Iterator将为空，或者更糟，具有来自另一个对话的未定义的值。
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