IllegalArgumentException - if the port parameter is outside the specified range of valid port values.

如果端口号超出指定的有效端口值范围时抛出。

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IllegalArgumentException - if some aspect of the specified element prevents it from being added to this list.

如果指定元素的某些方面不允许它加入当前列表则抛出。

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IllegalArgumentException - some aspect of an element of the specified collection prevents it from being added to this collection.

如果指定集合的某个元素的某些方面不允许它加入当前集合则抛出。

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