unboxing .. may produce NullPointerException - 走看看

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unboxing .. may produce NullPointerException

我发生该错误的情景是在Integer类型自动拆包时，他认为可能会抛出NullPointerException

解决办法就是在自动拆包时提前判断咯

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原文地址：https://www.cnblogs.com/freesfu/p/13641258.html

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